The document describes an experiment conducted to measure air swirl in diesel engine cylinders using an AVL steady flow test rig. Three inlet port designs - tangential, directed, and semi-helical - from engines of the same power range were tested. The AVL test rig measured parameters like mass flow rate, paddle wheel speed, and valve lift. Calculated parameters including swirl ratio, velocities, and flow coefficients were compared for the three port designs at varying valve lifts. The results provide insight into the air motion and swirl characteristics generated by each port design.
Performance, Optimization and CFD Analysis of Submersible Pump Impellerijsrd.com
To improve the efficiency of submersible flow pump, Computational Fluid Dynamics (CFD) analysis is one of the advanced tools used in the pump industry. A detailed CFD analysis was done to predict the flow pattern inside the impeller which is an active pump component. From the results of CFD analysis, the velocity and pressure in the outlet of the impeller is predicted. CFD analyses are done using ANSYS CFX software. In this research paper we will modified the impeller design by choosing some parameter.
Numerical Investigation of Single Stage of an Axial Flow Compressor for Effec...IJERA Editor
In present work, a compressor configuration is taken from literature which will be studied for aspect ratio (ratio between length of blade to chord length) influence over performance. Performance in the sense is pressure ratio of compressor. The aspect ratio of the blade is an important parameter and has a strong influence on the performance of axial flow compressor. There are so many literatures available on influence of design parameters of axial flow compressor over its performance. Few literatures only are available for effects of aspect ratio of blade over performance of compressor. A study is proposed to be carried out to verify the effect of aspect ratio on the performance of single stage subsonic compressor through ANSYS-CFX software. The analysis will be carried out for the constant tip diameter of the compressor rotor blade having an aspect ratio 1, 2 and 3 and to obtain the pressure loss and flow parameters of the compressor stage. Further increase in aspect ratio will lead to structural problem of compressor. Therefore, there will be optimum aspect ratio between 2 and 3. Simulation will be conducted to aspect ratios of 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8 and 2.9 to find optimum ratio using ANSYS-CFX commercial CFD software.
Characteristics of a simply converging nozzle through which steam is passesSaif al-din ali
1. The document describes experiments conducted on converging and converging-diverging nozzles. It discusses the theory behind how these nozzles work and how properties like pressure and velocity change within the nozzles.
2. Calculations are shown for the mass flow rate through the nozzles under different pressure ratios. The critical pressure ratio where the nozzle becomes choked is also calculated.
3. Results show the mass flow rate and critical pressure ratio for two test cases of varying inlet pressures.
EXPERIMENTAL STUDIES ON THE INTAKE PORT OF A DIESEL ENGINE TO DETERMINE SWIRLijmech
This paper focuses on experimentalstudies of intake port of a four cylinder diesel engine for different
vacuum pressures and valve lift positions. In this study, the cylinder head is experimented through a paddle
wheel flow setup, which gives the flow coefficient and swirl number asoutput. Main scope of the work is to
understand the flow behaviour through the intake port and finally to determine mean flow coefficient and
mean swirl number for different valve lift ratios L/D, where L is valve lift and D is bore diameter.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Numerical Simulation and Design Optimization of Intake and Spiral Case for Lo...IOSR Journals
This document discusses the numerical simulation and design optimization of the intake and spiral case for a low head vertical turbine. It begins by introducing the research scope, which is to study the pressure and velocity fields in spiral cases through numerical simulation in order to reduce hydraulic losses. It then provides background on spiral case design, describing the shape, dimensions, and hydraulic parameters that must be considered. The document presents the numerical simulation methodology, which uses the Reynolds-averaged Navier-Stokes equations and non-structured grids. It analyzes the results of simulations run at different discharge rates, finding the highest pressures occur at the end of the spiral case. Total hydraulic losses in the spiral case are calculated to be 0.2273697 meters based on
Oil & Gas Pipelines are often subjected to an operation called ‘Pigging’ for maintenance purposes (For e.g., cleaning the pipeline of accumulated liquids or waxes). A pig is launched from a pig launcher that scrapes out the remnant contents of the pipeline into a vessel known as a ‘Slug catcher’. The term slug catcher is used since pigging operations produces a Slug flow regime characterized by the alternating columns of liquids & gases. Slug catcher’s are popularly of two types – Horizontal Vessel Type & Finger Type Slug catcher. However irrespective of the type used, the determination of the slug catcher volume becomes the primary step before choosing the slug catcher type.
Finite element analysis and computational fluid dynamics simulations were performed on four engine valve designs with different neck profiles. The structural stresses and thermal loads were analyzed using finite element analysis, with the 650 multiple neck valve experiencing the lowest maximum von mises stress. Computational fluid dynamics simulations determined the 650 multiple neck valve achieved the highest mass flow rate. In conclusion, the 650 multiple neck valve profile provided the best performance in terms of both structural integrity and airflow.
Performance, Optimization and CFD Analysis of Submersible Pump Impellerijsrd.com
To improve the efficiency of submersible flow pump, Computational Fluid Dynamics (CFD) analysis is one of the advanced tools used in the pump industry. A detailed CFD analysis was done to predict the flow pattern inside the impeller which is an active pump component. From the results of CFD analysis, the velocity and pressure in the outlet of the impeller is predicted. CFD analyses are done using ANSYS CFX software. In this research paper we will modified the impeller design by choosing some parameter.
Numerical Investigation of Single Stage of an Axial Flow Compressor for Effec...IJERA Editor
In present work, a compressor configuration is taken from literature which will be studied for aspect ratio (ratio between length of blade to chord length) influence over performance. Performance in the sense is pressure ratio of compressor. The aspect ratio of the blade is an important parameter and has a strong influence on the performance of axial flow compressor. There are so many literatures available on influence of design parameters of axial flow compressor over its performance. Few literatures only are available for effects of aspect ratio of blade over performance of compressor. A study is proposed to be carried out to verify the effect of aspect ratio on the performance of single stage subsonic compressor through ANSYS-CFX software. The analysis will be carried out for the constant tip diameter of the compressor rotor blade having an aspect ratio 1, 2 and 3 and to obtain the pressure loss and flow parameters of the compressor stage. Further increase in aspect ratio will lead to structural problem of compressor. Therefore, there will be optimum aspect ratio between 2 and 3. Simulation will be conducted to aspect ratios of 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8 and 2.9 to find optimum ratio using ANSYS-CFX commercial CFD software.
Characteristics of a simply converging nozzle through which steam is passesSaif al-din ali
1. The document describes experiments conducted on converging and converging-diverging nozzles. It discusses the theory behind how these nozzles work and how properties like pressure and velocity change within the nozzles.
2. Calculations are shown for the mass flow rate through the nozzles under different pressure ratios. The critical pressure ratio where the nozzle becomes choked is also calculated.
3. Results show the mass flow rate and critical pressure ratio for two test cases of varying inlet pressures.
EXPERIMENTAL STUDIES ON THE INTAKE PORT OF A DIESEL ENGINE TO DETERMINE SWIRLijmech
This paper focuses on experimentalstudies of intake port of a four cylinder diesel engine for different
vacuum pressures and valve lift positions. In this study, the cylinder head is experimented through a paddle
wheel flow setup, which gives the flow coefficient and swirl number asoutput. Main scope of the work is to
understand the flow behaviour through the intake port and finally to determine mean flow coefficient and
mean swirl number for different valve lift ratios L/D, where L is valve lift and D is bore diameter.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Numerical Simulation and Design Optimization of Intake and Spiral Case for Lo...IOSR Journals
This document discusses the numerical simulation and design optimization of the intake and spiral case for a low head vertical turbine. It begins by introducing the research scope, which is to study the pressure and velocity fields in spiral cases through numerical simulation in order to reduce hydraulic losses. It then provides background on spiral case design, describing the shape, dimensions, and hydraulic parameters that must be considered. The document presents the numerical simulation methodology, which uses the Reynolds-averaged Navier-Stokes equations and non-structured grids. It analyzes the results of simulations run at different discharge rates, finding the highest pressures occur at the end of the spiral case. Total hydraulic losses in the spiral case are calculated to be 0.2273697 meters based on
Oil & Gas Pipelines are often subjected to an operation called ‘Pigging’ for maintenance purposes (For e.g., cleaning the pipeline of accumulated liquids or waxes). A pig is launched from a pig launcher that scrapes out the remnant contents of the pipeline into a vessel known as a ‘Slug catcher’. The term slug catcher is used since pigging operations produces a Slug flow regime characterized by the alternating columns of liquids & gases. Slug catcher’s are popularly of two types – Horizontal Vessel Type & Finger Type Slug catcher. However irrespective of the type used, the determination of the slug catcher volume becomes the primary step before choosing the slug catcher type.
Finite element analysis and computational fluid dynamics simulations were performed on four engine valve designs with different neck profiles. The structural stresses and thermal loads were analyzed using finite element analysis, with the 650 multiple neck valve experiencing the lowest maximum von mises stress. Computational fluid dynamics simulations determined the 650 multiple neck valve achieved the highest mass flow rate. In conclusion, the 650 multiple neck valve profile provided the best performance in terms of both structural integrity and airflow.
Performance of the four strokes diesel engineSaif al-din ali
This document describes an experiment to study the performance of a four-stroke diesel engine at various speeds. It includes the objective to analyze the effect of speed on engine parameters. The document outlines the test procedure which involves taking readings like speed, torque, temperature and fuel consumption at different water flows through the dynamometer to vary the engine speed. Calculations are shown to determine values like power, efficiency, air-fuel ratio based on the experimental readings. Results are presented in a table for one engine speed setting as an example.
Natural Gas Pipeline Transmission Cost & EconomicsVijay Sarathy
In any pipeline project, an economic analysis has to be performed to ensure the project is a viable investment. The major capital components of a pipeline system consists of the pipeline, Booster station, ancillary machinery such as mainline valve stations, meter stations, pressure regulation stations, SCADA & Telecommunications. The project costs would additionally consist of environmental costs & permits, Right of Way (ROW) acquisitions, Engineering & Construction management to name a few.
The following tutorial is aimed at conducting a pipeline economic analysis using the method of Weight Average Capital Cost (WACC) to estimate gas tariffs, project worth in terms of Net Present Value (NPV), Internal Rate of Return (IRR), Profit to Investment Ratio (PIR) and payback period. The cost of equity is estimated using the Capital Asset Pricing Model (CAPM).
Aircraft propulsion axial flow compressors off design performanceAnurak Atthasit
The document discusses axial flow compressors and their off-design performance. It covers topics such as compressor maps, surge lines, efficiency islands, best efficiency points, operating lines, surge margins, effects of inlet pressure distortion, Reynolds number, Mach number, and tip clearance on compressor performance. The conclusion summarizes that changes in total temperature, total pressure, Mach number, and density can affect compressor operation and efficiency.
This document describes a computational fluid dynamics (CFD) analysis of pump impeller designs using SolidWorks Flow Simulation (SWFS). The authors designed an impeller for a specified head, discharge, and speed. Two methods - circular arc and point-by-point - were used to generate the impeller vane profiles. CFD simulations using the k-epsilon turbulence model were performed on impellers with forward and backward curved vanes generated by each profile method. The simulations analyzed velocity and pressure distributions in the impellers. The results aimed to investigate impeller performance and identify an optimal design using CFD analysis in SWFS.
A practical method to predict performance curves of centrifugal water pumpsJohn Barry
This document presents a numerical model for predicting the performance curves of centrifugal water pumps. The model requires easily obtainable pump geometrical data and empirical coefficients. It was developed to provide a fast approximation of pump characteristic curves, including pressure head, volumetric efficiency, and power required. The model was validated by comparing predictions to experimental data from 30 pumps tested on a pump test rig. On average, the model predicted head within 5.16% error, power within 10.6% error, and efficiency within 7.3% error. The results indicate the method provides a satisfactory approximation of pump performance curves.
1. The document discusses experiments performed on converging and converging-diverging nozzles.
2. Converging nozzles accelerate fluid flow to supersonic speeds at the nozzle exit, while converging-diverging nozzles can accelerate fluids to both subsonic and supersonic regimes depending on pressure ratios.
3. Calculations are shown for mass flow rates through a nozzle at different pressure ratios using theoretical equations.
The document discusses axial flow compressors. It begins with an overview that axial flow compressors have multiple stages, each with a row of rotor blades followed by a row of stator blades. The fluid is accelerated by the rotor blades and decelerated in the stator, converting kinetic to static pressure energy. Due to small pressure increases per stage, axial compressors require many stages. The document then provides details on the elementary theory, velocity triangles, degree of reaction, and three dimensional flow effects in axial compressors. It concludes with discussing the design process which includes choosing operating parameters, determining number of stages, calculating air angles, and testing.
Design & Analysis of Centrifugal Pump Impeller by FEAIRJET Journal
This document summarizes the static analysis of a centrifugal pump impeller made of mild steel (MS) and stainless steel (SS) using finite element analysis. The analysis found that an SS impeller experienced slightly less stress (11.974 MPa) and slightly more deformation (0.002961 mm) compared to an MS impeller (12.043 MPa stress, 0.0028391 mm deformation). However, the SS impeller was lighter weight at 28.83 kg compared to 29.202 kg for the MS impeller. The analysis provides a comparison of these materials for use in centrifugal pump impellers to optimize strength and reduce weight.
Pressure distribution along convergent- divergent NozzleSaif al-din ali
SAIF ALDIN ALI MADIN
سيف الدين علي ماضي
S96aif@gmail.com
This aim of this practical was to investigate compressible flow in a
convergent-divergent nozzle. Different flow patterns that influence
the results of the investigation are also explored. The different
pressure distributions that occur at varying lengths in the nozzle
were also recorded and analyzed
This document describes a computational fluid dynamics (CFD) analysis of flow over a NACA 0015 airfoil. The analysis is conducted at angles of attack from 8 to 15 degrees to model climb conditions for a light sport aircraft. A structured mesh with around 400,000 cells is used with the k-omega turbulence model. Initial tests are conducted to determine appropriate mesh resolution and outlet placement. Detailed results of flow features like separation and recirculation will be analyzed to inform stall delay devices for the aircraft design.
1) A wind tunnel test was conducted on a baseline NACA 0015 airfoil model to measure aerodynamic characteristics at different angles of attack from 0 to 20 degrees.
2) The lift coefficient was found to be a maximum of 1.3 at 10 degrees angle of attack, while the drag coefficient reached a maximum of 0.31 at 25 degrees.
3) Flow separation was observed to begin occurring between 15-20 degrees angle of attack based on pressure measurements and flow visualization. The optimal angle of attack was approximately 12 degrees.
This document presents SEA, an experimental testing environment for electrohydraulic actuators. SEA allows for precise measurement of important actuator variables to enable comprehensive static and dynamic characterization. It includes a hydraulic pump and pipelines, configurable loads, an instrumented manifold for measurements, and a DAQ system. Experimental results from characterizing an aerospace actuator using SEA are provided, including static calibration, transient response testing showing high pressure and flow demands, and system identification to develop an input-output mathematical model. SEA provides an effective environment for full experimental characterization of electrohydraulic actuators.
Optimization of design of mixed flow centrifugal pump impeller using cfdeSAT Journals
Abstract
Centrifugal pumps are widely used hydraulic machines, irrespective of the fact that their performance is generally not very good. So, turning them into more efficient machines is quite a challenge. The performance of a centrifugal pump is highly dependent on its geometrical parameters and its vane profile. In order to analyze the flow through complex systems like centrifugal pumps, Computation fluid dynamics (CFD) has been used. This work aims to study the performance analysis of a centrifugal mixed flow pump designed to deliver 0.25 m3/s of water with a head of 20 m at a speed of 1450 rpm using ANSYS CFX (ver.14.0). PTC Creo (ver. 2.0) has been used to model the pump unit. The performance of the pump was first determined using the existing vane angles and thickness of the blade then, the inlet vane angle, the outlet vane angle along with the thickness of the blade has been varied to analyze the pump’s performance . The results show that for an initial inlet angle 21.08˚, outlet angle 16.28˚ and blade thickness as 10mm, the efficiency of the pump was 84%. However, the efficiency of pump rises to 89.19% for the optimized angles and blade thickness.
IRJET- A Comparative Study of Design of DAMIRJET Journal
This document compares the theoretical design of a dam to the practical design of the Kangsabati Dam in India. It first provides background on gravity dam design concepts. It then details the design parameters and calculations for theoretically designing a dam based on collected data from the Kangsabati Dam. Key parameters like height, flood level, material properties, slopes, and gallery position are considered. Forces like weight, water pressure, uplift, and earthquake loads are calculated. Results are checked for safety against stresses and sliding. Finally, the theoretically designed dam is compared to the actual Kangsabati Dam design.
Assets performance of the select cement companies in tamilnaduIAEME Publication
The document analyzes trends in asset performance of select cement companies in Tamil Nadu, India from 1996-2006 using trend analysis. It finds that:
1) The value of land held increased significantly over the period as companies purchased land for new plants and mining in anticipation of future expansion.
2) Investment in plant and machinery increased threefold as companies undertook capacity expansion and ordered new plants.
3) Stock levels rose positively as it is necessary for cement factories in the region to hold higher inventories of raw materials like limestone due to factors like remote mining locations.
Study of turbulent flow downstream from a linear source of heatIAEME Publication
1) The document studies turbulent flow downstream from a linear heat source placed inside the wake of a cylinder.
2) Special attention is paid to how the cylinder wake affects diffusion of heat in the downstream flow.
3) Numerical simulations were performed using a k-ε turbulence model for a range of Reynolds numbers.
Indian insurance industry performance of sbi life insuranceIAEME Publication
This document summarizes an article from the International Journal of Management about the Indian insurance industry and the performance of SBI Life Insurance. It discusses that the life insurance premium in India declined slightly in 2011-12 while non-life premium grew. It also evaluates the growth and new business performance of both public and private insurers through various channels like agents and banks. SBI Life Insurance is highlighted as a joint venture between State Bank of India and BNP Paribas Cardif, with the objective of assessing its role and performance within the Indian insurance industry.
Benefit analysis of subgrade and surface improvements in flexible pavements 2IAEME Publication
This document discusses analyzing the benefits of improving subgrade soil and surface layers in flexible pavements. Laboratory tests were conducted to determine optimal additives for subgrade stabilization and crumb rubber content for surface modification. A software program called FPAVE was used to evaluate pavement thickness for different combinations of conventional, stabilized, and modified layers. Analysis found that combinations with both subgrade and surface improvements had lower strains and required less thickness, resulting in a 50% cost benefit compared to conventional flexible pavements.
A soft computing approach for image searching using visual rerankingIAEME Publication
The document discusses image search and ranking techniques. It describes how current search engines primarily use text-based retrieval, which can return many irrelevant images. The document then proposes a visual reranking approach to re-order images based on visual similarity analysis to improve search results. Key aspects of the approach include extracting image features, analyzing visual similarities between images, and leveraging these similarities to provide a reranked output with more relevant images prioritized.
The document discusses the compression behavior of natural soils from Tirupati, India. One-dimensional compression tests were conducted on soil samples from 8 locations to analyze their compression index before and after yield. The results show that natural soils initially exhibit stiff behavior up to a yield stress value, after which greater compression occurs. When void ratio is plotted against log pressure, the compression behavior of natural soils is located on the left of the normal compression line, similar to overconsolidated soils, and merges with the line at higher stresses. This indicates that the normal compression line represents the state boundary for natural soils. Analysis of compression indices before and after yield can help understand soil settlement behavior under loading.
Lead acid battery management system for electrical vehiclesIAEME Publication
This document describes a battery management system (BMS) for electric vehicles. It discusses how a BMS monitors important battery parameters like state of charge, temperature, voltage and current. The BMS also helps control the battery environment and calculates secondary reports. It explains how the BMS was designed using a data acquisition system to continuously monitor the battery parameters. Key parameters like state of charge and depth of discharge are discussed in detail. The BMS provides important information for users of electric vehicles about the battery's status and remaining range.
Performance of the four strokes diesel engineSaif al-din ali
This document describes an experiment to study the performance of a four-stroke diesel engine at various speeds. It includes the objective to analyze the effect of speed on engine parameters. The document outlines the test procedure which involves taking readings like speed, torque, temperature and fuel consumption at different water flows through the dynamometer to vary the engine speed. Calculations are shown to determine values like power, efficiency, air-fuel ratio based on the experimental readings. Results are presented in a table for one engine speed setting as an example.
Natural Gas Pipeline Transmission Cost & EconomicsVijay Sarathy
In any pipeline project, an economic analysis has to be performed to ensure the project is a viable investment. The major capital components of a pipeline system consists of the pipeline, Booster station, ancillary machinery such as mainline valve stations, meter stations, pressure regulation stations, SCADA & Telecommunications. The project costs would additionally consist of environmental costs & permits, Right of Way (ROW) acquisitions, Engineering & Construction management to name a few.
The following tutorial is aimed at conducting a pipeline economic analysis using the method of Weight Average Capital Cost (WACC) to estimate gas tariffs, project worth in terms of Net Present Value (NPV), Internal Rate of Return (IRR), Profit to Investment Ratio (PIR) and payback period. The cost of equity is estimated using the Capital Asset Pricing Model (CAPM).
Aircraft propulsion axial flow compressors off design performanceAnurak Atthasit
The document discusses axial flow compressors and their off-design performance. It covers topics such as compressor maps, surge lines, efficiency islands, best efficiency points, operating lines, surge margins, effects of inlet pressure distortion, Reynolds number, Mach number, and tip clearance on compressor performance. The conclusion summarizes that changes in total temperature, total pressure, Mach number, and density can affect compressor operation and efficiency.
This document describes a computational fluid dynamics (CFD) analysis of pump impeller designs using SolidWorks Flow Simulation (SWFS). The authors designed an impeller for a specified head, discharge, and speed. Two methods - circular arc and point-by-point - were used to generate the impeller vane profiles. CFD simulations using the k-epsilon turbulence model were performed on impellers with forward and backward curved vanes generated by each profile method. The simulations analyzed velocity and pressure distributions in the impellers. The results aimed to investigate impeller performance and identify an optimal design using CFD analysis in SWFS.
A practical method to predict performance curves of centrifugal water pumpsJohn Barry
This document presents a numerical model for predicting the performance curves of centrifugal water pumps. The model requires easily obtainable pump geometrical data and empirical coefficients. It was developed to provide a fast approximation of pump characteristic curves, including pressure head, volumetric efficiency, and power required. The model was validated by comparing predictions to experimental data from 30 pumps tested on a pump test rig. On average, the model predicted head within 5.16% error, power within 10.6% error, and efficiency within 7.3% error. The results indicate the method provides a satisfactory approximation of pump performance curves.
1. The document discusses experiments performed on converging and converging-diverging nozzles.
2. Converging nozzles accelerate fluid flow to supersonic speeds at the nozzle exit, while converging-diverging nozzles can accelerate fluids to both subsonic and supersonic regimes depending on pressure ratios.
3. Calculations are shown for mass flow rates through a nozzle at different pressure ratios using theoretical equations.
The document discusses axial flow compressors. It begins with an overview that axial flow compressors have multiple stages, each with a row of rotor blades followed by a row of stator blades. The fluid is accelerated by the rotor blades and decelerated in the stator, converting kinetic to static pressure energy. Due to small pressure increases per stage, axial compressors require many stages. The document then provides details on the elementary theory, velocity triangles, degree of reaction, and three dimensional flow effects in axial compressors. It concludes with discussing the design process which includes choosing operating parameters, determining number of stages, calculating air angles, and testing.
Design & Analysis of Centrifugal Pump Impeller by FEAIRJET Journal
This document summarizes the static analysis of a centrifugal pump impeller made of mild steel (MS) and stainless steel (SS) using finite element analysis. The analysis found that an SS impeller experienced slightly less stress (11.974 MPa) and slightly more deformation (0.002961 mm) compared to an MS impeller (12.043 MPa stress, 0.0028391 mm deformation). However, the SS impeller was lighter weight at 28.83 kg compared to 29.202 kg for the MS impeller. The analysis provides a comparison of these materials for use in centrifugal pump impellers to optimize strength and reduce weight.
Pressure distribution along convergent- divergent NozzleSaif al-din ali
SAIF ALDIN ALI MADIN
سيف الدين علي ماضي
S96aif@gmail.com
This aim of this practical was to investigate compressible flow in a
convergent-divergent nozzle. Different flow patterns that influence
the results of the investigation are also explored. The different
pressure distributions that occur at varying lengths in the nozzle
were also recorded and analyzed
This document describes a computational fluid dynamics (CFD) analysis of flow over a NACA 0015 airfoil. The analysis is conducted at angles of attack from 8 to 15 degrees to model climb conditions for a light sport aircraft. A structured mesh with around 400,000 cells is used with the k-omega turbulence model. Initial tests are conducted to determine appropriate mesh resolution and outlet placement. Detailed results of flow features like separation and recirculation will be analyzed to inform stall delay devices for the aircraft design.
1) A wind tunnel test was conducted on a baseline NACA 0015 airfoil model to measure aerodynamic characteristics at different angles of attack from 0 to 20 degrees.
2) The lift coefficient was found to be a maximum of 1.3 at 10 degrees angle of attack, while the drag coefficient reached a maximum of 0.31 at 25 degrees.
3) Flow separation was observed to begin occurring between 15-20 degrees angle of attack based on pressure measurements and flow visualization. The optimal angle of attack was approximately 12 degrees.
This document presents SEA, an experimental testing environment for electrohydraulic actuators. SEA allows for precise measurement of important actuator variables to enable comprehensive static and dynamic characterization. It includes a hydraulic pump and pipelines, configurable loads, an instrumented manifold for measurements, and a DAQ system. Experimental results from characterizing an aerospace actuator using SEA are provided, including static calibration, transient response testing showing high pressure and flow demands, and system identification to develop an input-output mathematical model. SEA provides an effective environment for full experimental characterization of electrohydraulic actuators.
Optimization of design of mixed flow centrifugal pump impeller using cfdeSAT Journals
Abstract
Centrifugal pumps are widely used hydraulic machines, irrespective of the fact that their performance is generally not very good. So, turning them into more efficient machines is quite a challenge. The performance of a centrifugal pump is highly dependent on its geometrical parameters and its vane profile. In order to analyze the flow through complex systems like centrifugal pumps, Computation fluid dynamics (CFD) has been used. This work aims to study the performance analysis of a centrifugal mixed flow pump designed to deliver 0.25 m3/s of water with a head of 20 m at a speed of 1450 rpm using ANSYS CFX (ver.14.0). PTC Creo (ver. 2.0) has been used to model the pump unit. The performance of the pump was first determined using the existing vane angles and thickness of the blade then, the inlet vane angle, the outlet vane angle along with the thickness of the blade has been varied to analyze the pump’s performance . The results show that for an initial inlet angle 21.08˚, outlet angle 16.28˚ and blade thickness as 10mm, the efficiency of the pump was 84%. However, the efficiency of pump rises to 89.19% for the optimized angles and blade thickness.
IRJET- A Comparative Study of Design of DAMIRJET Journal
This document compares the theoretical design of a dam to the practical design of the Kangsabati Dam in India. It first provides background on gravity dam design concepts. It then details the design parameters and calculations for theoretically designing a dam based on collected data from the Kangsabati Dam. Key parameters like height, flood level, material properties, slopes, and gallery position are considered. Forces like weight, water pressure, uplift, and earthquake loads are calculated. Results are checked for safety against stresses and sliding. Finally, the theoretically designed dam is compared to the actual Kangsabati Dam design.
Assets performance of the select cement companies in tamilnaduIAEME Publication
The document analyzes trends in asset performance of select cement companies in Tamil Nadu, India from 1996-2006 using trend analysis. It finds that:
1) The value of land held increased significantly over the period as companies purchased land for new plants and mining in anticipation of future expansion.
2) Investment in plant and machinery increased threefold as companies undertook capacity expansion and ordered new plants.
3) Stock levels rose positively as it is necessary for cement factories in the region to hold higher inventories of raw materials like limestone due to factors like remote mining locations.
Study of turbulent flow downstream from a linear source of heatIAEME Publication
1) The document studies turbulent flow downstream from a linear heat source placed inside the wake of a cylinder.
2) Special attention is paid to how the cylinder wake affects diffusion of heat in the downstream flow.
3) Numerical simulations were performed using a k-ε turbulence model for a range of Reynolds numbers.
Indian insurance industry performance of sbi life insuranceIAEME Publication
This document summarizes an article from the International Journal of Management about the Indian insurance industry and the performance of SBI Life Insurance. It discusses that the life insurance premium in India declined slightly in 2011-12 while non-life premium grew. It also evaluates the growth and new business performance of both public and private insurers through various channels like agents and banks. SBI Life Insurance is highlighted as a joint venture between State Bank of India and BNP Paribas Cardif, with the objective of assessing its role and performance within the Indian insurance industry.
Benefit analysis of subgrade and surface improvements in flexible pavements 2IAEME Publication
This document discusses analyzing the benefits of improving subgrade soil and surface layers in flexible pavements. Laboratory tests were conducted to determine optimal additives for subgrade stabilization and crumb rubber content for surface modification. A software program called FPAVE was used to evaluate pavement thickness for different combinations of conventional, stabilized, and modified layers. Analysis found that combinations with both subgrade and surface improvements had lower strains and required less thickness, resulting in a 50% cost benefit compared to conventional flexible pavements.
A soft computing approach for image searching using visual rerankingIAEME Publication
The document discusses image search and ranking techniques. It describes how current search engines primarily use text-based retrieval, which can return many irrelevant images. The document then proposes a visual reranking approach to re-order images based on visual similarity analysis to improve search results. Key aspects of the approach include extracting image features, analyzing visual similarities between images, and leveraging these similarities to provide a reranked output with more relevant images prioritized.
The document discusses the compression behavior of natural soils from Tirupati, India. One-dimensional compression tests were conducted on soil samples from 8 locations to analyze their compression index before and after yield. The results show that natural soils initially exhibit stiff behavior up to a yield stress value, after which greater compression occurs. When void ratio is plotted against log pressure, the compression behavior of natural soils is located on the left of the normal compression line, similar to overconsolidated soils, and merges with the line at higher stresses. This indicates that the normal compression line represents the state boundary for natural soils. Analysis of compression indices before and after yield can help understand soil settlement behavior under loading.
Lead acid battery management system for electrical vehiclesIAEME Publication
This document describes a battery management system (BMS) for electric vehicles. It discusses how a BMS monitors important battery parameters like state of charge, temperature, voltage and current. The BMS also helps control the battery environment and calculates secondary reports. It explains how the BMS was designed using a data acquisition system to continuously monitor the battery parameters. Key parameters like state of charge and depth of discharge are discussed in detail. The BMS provides important information for users of electric vehicles about the battery's status and remaining range.
Assessing the effect of information and communication technology on enhancingIAEME Publication
This study assessed faculty perceptions of the impact of information and communication technology (ICT) on higher education systems in Saudi Arabia. A questionnaire was distributed to faculty members across Saudi universities. The survey found that faculty generally believe ICT can enhance education by providing high-quality and accessible content, improving learning interactions, and enabling more efficient teaching. However, ICT integration in Saudi universities is still developing and further training and infrastructure is needed. The impact of ICT tools thus far has been encouraging but could be expanded with more faculty training and support.
Data transmission with gbits speed using cmos based integrated circuIAEME Publication
The document discusses technologies for high-speed data transmission using optoelectronic integrated circuits. It describes how optical communication systems can be improved by increasing bit rates and wavelength counts to better utilize fiber bandwidth. This requires suitable device structures and driving electronics that can operate at gigabit per second speeds. The document then discusses requirements for these optoelectronic interface ICs, including high gain over broad bandwidths, low power consumption, and small chip area. It analyzes transmitter and receiver designs that use techniques like distributed amplification and multi-stage transimpedance amplifiers to achieve high performance optical data transmission.
Este documento enumera varias herramientas de software para comprimir archivos, incluyendo Zip, IZArc, WinRAR, PeaZip, The Unarchiver y Photorar. Explica que un archivo comprimido ocupa menos espacio en el disco duro que el archivo original y que los archivos comprimidos se pueden almacenar en varios lugares como discos duros, CDs, memorias USB u otros dispositivos.
El documento resume brevemente la historia de la computadora desde sus orígenes en máquinas mecánicas como la Pascalina en 1645 hasta los desarrollos de las cinco generaciones de computadoras digitales desde 1945, describiendo características clave como el paso de los tubos de vacío a los transistores y los circuitos integrados. También define conceptos básicos como hardware, software, periféricos y tipos y clases de computadoras.
El resumen presenta la tabla de amortización de un préstamo de $4,000 a una tasa anual del 24% por un plazo de 1 año con 12 períodos. Muestra el capital, interés y saldo de capital para cada período, con el último pago liquidando el saldo restante.
Os alunos da 8a série irão trabalhar em um projeto publicitário no qual criarão um produto e sua respectiva propaganda. Eles também aprenderão sobre charges e vinhetas, e o documento celebra o centenário de Carmem Miranda.
O documento trata de seminários do Módulo 01. O módulo 01 abordará temas como introdução ao curso e conceitos básicos da disciplina para orientar os alunos nas primeiras aulas.
Seu público chegou até seu canal de comunicação, e agora? Como sua marca se apresenta a esse potencial consumidor? Um dos pilares da Comunicação, o design pode ser um diferencial para o sucesso de seu investimento.
Tecnologias de informacion y comunicacionbrayandavid
El documento habla sobre las tecnologías de la información y la comunicación (TIC), explicando que son las tecnologías que permiten adquirir, producir, almacenar, procesar, comunicar, registrar e presentar información. Luego describe cómo se relacionan las TIC con la educación y las ventajas y desventajas de su uso en el aprendizaje. Finalmente define la tecnología de información y de comunicación y menciona algunas de sus ventajas y desventajas.
Este documento describe las diferentes fases de la metodología PACIE para el cierre de un módulo o curso. La fase final incluye negociación con los estudiantes sobre evaluaciones y oportunidades de recuperación, una evaluación final, la generación de un listado de graduados y un certificado, y una despedida para compartir experiencias y celebrar la graduación. El proceso finaliza con una retroalimentación mutua entre estudiantes y docentes para mejorar el aprendizaje.
Apresentação Software Livre e Jogos EducativosEdilson Freitas
O documento discute software livre, jogos educativos e distribuições Linux para educação. Ele define software livre, explica como um programa é considerado livre e descreve o movimento iniciado por Richard Stallman. Também lista vantagens do software livre sobre o proprietário e exemplos de distribuições e jogos educativos para Linux.
IRJET-Helical Screw-Tape Influence on Swirl Flow Profile in a Diffuser.IRJET Journal
This document summarizes a numerical study that models airflow behavior in an annular diffuser with a helical screw-tape swirl generator. Three swirl numbers (2.8, 3.9 and 5.8) were analyzed using computational fluid dynamics (CFD) software. The results indicated that the highest swirl number of 5.8 enhanced the velocity distribution in the diffuser better than the lower swirl numbers, demonstrating the influence of swirl intensity on flow characteristics.
PERFORMANCES EVALUATION AND BLADE NUMBER OPTIMIZATION OF RADIAL INFLOW TURBINEIAEME Publication
The energy exhaust recovery in engines is obtained using turbochargers which are widely used in the automotive industry. A turbocharged engine leads to a better overall system efficiency and a reduction in exhaust emissions compared, at constant power, with a naturally aspirated engine. The numerical approach in the present work is to explore ways of improving the performances of the radial inflow turbine. This work investigates the performances of a radial inflow turbine under steady states conditions and how they are affected by the rotor geometry. The radial inflow turbine is investigated numerically using 3D Reynolds averaged Navier-Stokes equations, the objective hear is to determine the optimum of performance characteristics of the turbine. The building of the geometry and the generation of unstructured meshes are achieved using ANSYS-ICEM software whereas in order to simulate the flow, the ANSYS-CFX code is applied. The numerical method is also used to determine optimum geometrical characteristics such as the optimum of blade number. It has been found that the rotor with 12 blades gives better performances.
IRJET- Analysis of Centrifugal Pump Impellers with Modified Micro GroovesIRJET Journal
This document analyzes centrifugal pump impellers with modified microgrooves through computational fluid dynamics (CFD) simulations. It describes the design of smooth, rectangular microgroove, and optimized semi-circular microgroove impellers using Solidworks. CFD analysis was performed using ANSYS CFX to compare the velocity, pressure, and turbulent kinetic energy distributions as well as the overall pump performance between the different impeller designs. The results show that the semi-circular microgroove impeller design improves pump efficiency over the baseline smooth and existing rectangular microgroove impeller designs.
IRJET - Review on Design of Intake Manifold for Air Restricted EngineIRJET Journal
This document reviews the design of intake manifolds for restricted engines used in formula racing events. It discusses several papers that analyzed different intake manifold designs through simulations and testing. The key goals of an intake manifold design are to maximize air flow through the restrictor, evenly distribute air to each cylinder, and improve engine performance metrics like volumetric efficiency and torque. The document examines factors like plenum volume, runner length and geometry, and restrictor shape. Simulation tools like Ricardo WAVE, VECTIS and CFD analysis in ANSYS were used to optimize these design parameters and evaluate manifold designs. The reviewed works aimed to enhance engine power output while meeting the restrictor requirement of racing competitions.
CFD Analysis Of Savonius Vertical Axis Wind Turbine: A ReviewIRJET Journal
This document reviews computational fluid dynamics (CFD) analysis of the Savonius vertical axis wind turbine. It discusses how CFD provides a less expensive and time-consuming alternative to experimental testing of wind turbine designs and configurations. The document outlines different CFD methods used like steady-state and transient simulations. It also summarizes key factors that affect Savonius turbine performance according to previous studies, such as aspect ratio, overlap ratio, number of blades, and influence of the stator and Reynolds number.
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
The papers for publication in The International Journal of Engineering& Science are selected through rigorous peer reviews to ensure originality, timeliness, relevance, and readability.
Predicting Performance Curves of Centrifugal Pumps in the Absence of OEM DataVijay Sarathy
Chemical and Mechanical Engineers in the oil & gas industry often carry out the task of conducting technical studies to evaluate piping and pipeline systems during events such as pump trips and block valve failures that can lead to pipes cracking at the welded joints, pump impellers rotating in the reverse direction and damaged pipe supports due to excessive vibrations to name a few. Although much literature is available to mitigate such disturbances, a key set of data to conduct transient studies are pump performance curves, a plot between pump head and flow.
The present paper is aimed at applying engineering research in industrial applications for practicing engineers. It provides a methodology called from available literature from past researchers, allowing engineers to predict performance curves for a Volute Casing End Suction Single Stage Radial Pump. In the current undertaking, the pump in question is not specific to any one industry but the principles are the same for a Volute Casing End suction radial pump.
Predicting Performance Curves of Centrifugal Pumps in the Absence of OEM DataVijay Sarathy
Chemical and Mechanical Engineers in the oil & gas industry often carry out the task of conducting technical studies to evaluate piping and pipeline systems during events such as pump trips and block valve failures that can lead to pipes cracking at the welded joints, pump impellers rotating in the reverse direction and damaged pipe supports due to excessive vibrations to name a few. Although much literature is available to mitigate such disturbances, a key set of data to conduct transient studies are pump performance curves, a plot between pump head and flow.
The present paper is aimed at applying engineering research in industrial applications for practicing engineers. It provides a methodology called from available literature from past researchers, allowing engineers to predict performance curves for a Volute Casing End Suction Single Stage Radial Pump. In the current undertaking, the pump in question is not specific to any one industry but the principles are the same for a Volute Casing End suction radial pump.
Air flow and charge motion study of engine intake portTunAnh309
1) A study was conducted using CFD to simulate experimental flow bench tests of an engine intake port design. CFD simulations were run at different valve lifts to calculate air flow rate and emulate the flow bench.
2) Flow coefficient and swirl ratio results from CFD showed good agreement with experimental flow bench measurements, though CFD overpredicted swirl ratio, especially at lower lifts.
3) CFD provides additional insight into flow patterns and velocities not obtainable from flow bench testing alone, allowing designers to more efficiently evaluate intake port designs.
The present work is the numerical investigation of Spark Ignition (SI) engines to
assess the effect of spark plug positions using open source Computational Fluid Dynamics
(CFD) tool, OpenFoam is used. The standard k—ε turbulence model is used along with
the Reynolds Averaged Navier Stokes equations for simulating the flow field. Average
piston pressure is tracked for different Crank Angles (CA) from −180o to 180o for two
different sized engines (560cc and 70cc). Results clearly show that spark plug position
affects power output of engine. Spark plug position affect p-θ graph, hence performance
of engine, this effect is dominant in bigger engine than smaller one. Spark plug position
is expressed in dimensionless form in fraction away from centre
This paper deals with the numerical analysis of 3d model which has inlet port diameter 46mm,valve diameter 43mm and the length and diameter of the cy linder is 562mm and 93.65mm respectively which is developed to study the effect of valve lif t on the flow of fluid inside the cylinder. For different valve lifts velocity will change inside t he cylinder. Results of CFD simulation indicated th at valve lift affects velocity flow field inside the c ylinder. It also proved that CFD is a convenient to ol for designing and optimizing the flow field in the engine.
IRJET- Design and Performance Curve Generation by CFD Analysis of Centrifugal...IRJET Journal
This document discusses the design and CFD analysis of a centrifugal pump to generate performance curves. A team of students and professors used software like Pro-E, ANSYS, and CFX to design the impeller and volute casing of the pump, generate meshes, and perform the CFD analysis. The CFD analysis provides pressure distributions and helps optimize the design to reduce cavitation and improve efficiency over a range of operating conditions. Performance curves showing head, power, and efficiency versus flow rate will be plotted to evaluate the pump design and aid in pump selection.
Improving the Hydraulic Efficiency of Centrifugal Pumps through Computational...IJERA Editor
The design and optimization of turbo machine impellers such as those in pumps and turbines is a highly complicated task due to the complex three-dimensional shape of the impeller blades and surrounding devices. Small differences in geometry can lead to significant changes in the performance of these machines. We report here an efficient numerical technique that automatically optimizes the geometry of these blades for maximum performance. The technique combines, mathematical modeling of the impeller blades using non-uniform rational B-spline (NURBS), Computational fluid dynamics (CFD) with Geometry Parameterizations in turbulent flow simulation and the Globalized and bounded Nelder-Mead (GBNM) algorithm in geometry optimization.
This document summarizes experimental tests of a Kaplan water turbine at the Ivaylovgrad HPP in Bulgaria. Two methods were used to measure flow rates: 1) Measuring the mean velocity in the spiral case inlet section. Relative error of measurements was 1.9%. 2) Using the Winter-Kennedy method of measuring pressure differences along the spiral case radius. The base factor k in the flow equation was determined experimentally. Flow rates were measured over the turbine's operating range to characterize its hydraulic performance.
To study Magnus Effect on Flettner RotorIRJET Journal
This document discusses using computational fluid dynamics (CFD) software to simulate the Magnus effect on Flettner rotors. It first provides background on Flettner rotors and the Magnus effect. It then describes the methodology, which includes analyzing experimental data on rotating cylinders, establishing relationships between parameters, setting boundary conditions in CFD, running simulations, and validating the results. The simulations model the fluid flow around stationary and rotating cylinders and calculate lift and drag coefficients. The CFD analysis is found to capture the Magnus effect and related fluid phenomena on the rotating cylinders.
Experimental and Computational Fluid Dynamics (CFD) Analysis of Additively Ma...IRJET Journal
This document discusses an experimental study and computational fluid dynamics (CFD) analysis of additively manufactured weirs. Four different weir designs - empty and ramped catenary, labyrinth, and piano key - were 3D printed and tested in a 2.5 meter open channel flow experiment. Flow rates, water levels, velocities, and discharge coefficients were measured and compared for each weir design. CFD modeling was also used to simulate the flow and validate the experimental results. The ramped catenary weir design generally performed best across testing parameters for both maximum and minimum flow rates. The study demonstrated the feasibility of using additive manufacturing to create complex weir geometries for experimental fluid mechanics research.
Validation of Experimental and Numerical Techniques for Flow Analysis over an...IJERA Editor
The impact of improvement in vehicle aerodynamics mainly reflects in lower fuel consumption and lower carbon dioxide emissions into the atmosphere. The governments of many countries support continuous aerodynamics’ improvement programs as a way of mitigating the energy crisis and atmospheric pollution. This work has the main goal to validate experimental and numerical techniques for application in road vehicles. The experimental results were obtained through the analysis of the flow around a standard body with simple geometry called Ahmed Body, using hot wire anemometry from experiments in wind tunnel. It was also proposed a computational validation using a commercial software (Star CCM +) to further analyze the flow and to corroborate the experimental results. Both results were compared and allowed characterizing the flow around the vehicle. The results obtained analyzing the Ahmed Body aimed further application on aerodynamics of heavyduty vehicles, which is an ongoing research being developed at the Experimental Aerodynamics Research Center – CPAERO, in Brazil.
Testing of Mixed Flow Vertical Turbine PumpIRJET Journal
This document summarizes the testing of a mixed flow vertical turbine pump. The pump was tested at Kirloskar Brothers Limited's Hydraulic Research Center to obtain performance data. A variety of instruments were used to measure discharge, head, power input, speed, vibration, and noise. Test results showed the pump operated at 87.5% efficiency at its duty point with acceptable vibration and noise levels. A performance curve was generated from test data that closely matched the required curve, demonstrating the pump would perform as intended.
IRJET- Effect of Shroud Attachment on Power Generation on a Horizontal Axis W...IRJET Journal
This document discusses research into improving the power generation of horizontal axis wind turbines through the use of a shroud. It first presents the background research and numerical analysis conducted to optimize shroud design parameters like area ratio and length. Experimental testing was then done on scaled turbine models with and without an optimized shroud. The results showed that the shrouded turbine produced higher power efficiency than the unshrouded turbine at the same wind velocities, due to the increased airflow velocities produced by the shroud. Overall, the research demonstrates that shrouds have potential to improve wind turbine performance and efficiency.
The article investigates the performance of vane-type and impulse-type swirl meters. Both types of meters showed insignificant zero-swirl bias when tested with an axially aligned tube. Known swirl was provided using an offset, inclined tube arrangement, and both meters were found to under-report the known swirl value but gave results linearly dependent on the angular momentum flux. This allows characterization of meter efficiency with a single parameter. The efficiency of impulse meters was higher than vane meters. A direct calibration method for swirl meters was developed.
Similar to Diesel engine air swirl mesurements using avl test rig (20)
Submission Deadline: 30th September 2022
Acceptance Notification: Within Three Days’ time period
Online Publication: Within 24 Hrs. time Period
Expected Date of Dispatch of Printed Journal: 5th October 2022
MODELING AND ANALYSIS OF SURFACE ROUGHNESS AND WHITE LATER THICKNESS IN WIRE-...IAEME Publication
White layer thickness (WLT) formed and surface roughness in wire electric discharge turning (WEDT) of tungsten carbide composite has been made to model through response surface methodology (RSM). A Taguchi’s standard Design of experiments involving five input variables with three levels has been employed to establish a mathematical model between input parameters and responses. Percentage of cobalt content, spindle speed, Pulse on-time, wire feed and pulse off-time were changed during the experimental tests based on the Taguchi’s orthogonal array L27 (3^13). Analysis of variance (ANOVA) revealed that the mathematical models obtained can adequately describe performance within the parameters of the factors considered. There was a good agreement between the experimental and predicted values in this study.
A STUDY ON THE REASONS FOR TRANSGENDER TO BECOME ENTREPRENEURSIAEME Publication
The study explores the reasons for a transgender to become entrepreneurs. In this study transgender entrepreneur was taken as independent variable and reasons to become as dependent variable. Data were collected through a structured questionnaire containing a five point Likert Scale. The study examined the data of 30 transgender entrepreneurs in Salem Municipal Corporation of Tamil Nadu State, India. Simple Random sampling technique was used. Garrett Ranking Technique (Percentile Position, Mean Scores) was used as the analysis for the present study to identify the top 13 stimulus factors for establishment of trans entrepreneurial venture. Economic advancement of a nation is governed upon the upshot of a resolute entrepreneurial doings. The conception of entrepreneurship has stretched and materialized to the socially deflated uncharted sections of transgender community. Presently transgenders have smashed their stereotypes and are making recent headlines of achievements in various fields of our Indian society. The trans-community is gradually being observed in a new light and has been trying to achieve prospective growth in entrepreneurship. The findings of the research revealed that the optimistic changes are taking place to change affirmative societal outlook of the transgender for entrepreneurial ventureship. It also laid emphasis on other transgenders to renovate their traditional living. The paper also highlights that legislators, supervisory body should endorse an impartial canons and reforms in Tamil Nadu Transgender Welfare Board Association.
BROAD UNEXPOSED SKILLS OF TRANSGENDER ENTREPRENEURSIAEME Publication
Since ages gender difference is always a debatable theme whether caused by nature, evolution or environment. The birth of a transgender is dreadful not only for the child but also for their parents. The pain of living in the wrong physique and treated as second class victimized citizen is outrageous and fully harboured with vicious baseless negative scruples. For so long, social exclusion had perpetuated inequality and deprivation experiencing ingrained malign stigma and besieged victims of crime or violence across their life spans. They are pushed into the murky way of life with a source of eternal disgust, bereft sexual potency and perennial fear. Although they are highly visible but very little is known about them. The common public needs to comprehend the ravaged arrogance on these insensitive souls and assist in integrating them into the mainstream by offering equal opportunity, treat with humanity and respect their dignity. Entrepreneurship in the current age is endorsing the gender fairness movement. Unstable careers and economic inadequacy had inclined one of the gender variant people called Transgender to become entrepreneurs. These tiny budding entrepreneurs resulted in economic transition by means of employment, free from the clutches of stereotype jobs, raised standard of living and handful of financial empowerment. Besides all these inhibitions, they were able to witness a platform for skill set development that ignited them to enter into entrepreneurial domain. This paper epitomizes skill sets involved in trans-entrepreneurs of Thoothukudi Municipal Corporation of Tamil Nadu State and is a groundbreaking determination to sightsee various skills incorporated and the impact on entrepreneurship.
DETERMINANTS AFFECTING THE USER'S INTENTION TO USE MOBILE BANKING APPLICATIONSIAEME Publication
The banking and financial services industries are experiencing increased technology penetration. Among them, the banking industry has made technological advancements to better serve the general populace. The economy focused on transforming the banking sector's system into a cashless, paperless, and faceless one. The researcher wants to evaluate the user's intention for utilising a mobile banking application. The study also examines the variables affecting the user's behaviour intention when selecting specific applications for financial transactions. The researcher employed a well-structured questionnaire and a descriptive study methodology to gather the respondents' primary data utilising the snowball sampling technique. The study includes variables like performance expectations, effort expectations, social impact, enabling circumstances, and perceived risk. Each of the aforementioned variables has a major impact on how users utilise mobile banking applications. The outcome will assist the service provider in comprehending the user's history with mobile banking applications.
ANALYSE THE USER PREDILECTION ON GPAY AND PHONEPE FOR DIGITAL TRANSACTIONSIAEME Publication
Technology upgradation in banking sector took the economy to view that payment mode towards online transactions using mobile applications. This system enabled connectivity between banks, Merchant and user in a convenient mode. there are various applications used for online transactions such as Google pay, Paytm, freecharge, mobikiwi, oxygen, phonepe and so on and it also includes mobile banking applications. The study aimed at evaluating the predilection of the user in adopting digital transaction. The study is descriptive in nature. The researcher used random sample techniques to collect the data. The findings reveal that mobile applications differ with the quality of service rendered by Gpay and Phonepe. The researcher suggest the Phonepe application should focus on implementing the application should be user friendly interface and Gpay on motivating the users to feel the importance of request for money and modes of payments in the application.
VOICE BASED ATM FOR VISUALLY IMPAIRED USING ARDUINOIAEME Publication
The prototype of a voice-based ATM for visually impaired using Arduino is to help people who are blind. This uses RFID cards which contain users fingerprint encrypted on it and interacts with the users through voice commands. ATM operates when sensor detects the presence of one person in the cabin. After scanning the RFID card, it will ask to select the mode like –normal or blind. User can select the respective mode through voice input, if blind mode is selected the balance check or cash withdraw can be done through voice input. Normal mode procedure is same as the existing ATM.
IMPACT OF EMOTIONAL INTELLIGENCE ON HUMAN RESOURCE MANAGEMENT PRACTICES AMONG...IAEME Publication
There is increasing acceptability of emotional intelligence as a major factor in personality assessment and effective human resource management. Emotional intelligence as the ability to build capacity, empathize, co-operate, motivate and develop others cannot be divorced from both effective performance and human resource management systems. The human person is crucial in defining organizational leadership and fortunes in terms of challenges and opportunities and walking across both multinational and bilateral relationships. The growing complexity of the business world requires a great deal of self-confidence, integrity, communication, conflict and diversity management to keep the global enterprise within the paths of productivity and sustainability. Using the exploratory research design and 255 participants the result of this original study indicates strong positive correlation between emotional intelligence and effective human resource management. The paper offers suggestions on further studies between emotional intelligence and human capital development and recommends for conflict management as an integral part of effective human resource management.
VISUALISING AGING PARENTS & THEIR CLOSE CARERS LIFE JOURNEY IN AGING ECONOMYIAEME Publication
Our life journey, in general, is closely defined by the way we understand the meaning of why we coexist and deal with its challenges. As we develop the "inspiration economy", we could say that nearly all of the challenges we have faced are opportunities that help us to discover the rest of our journey. In this note paper, we explore how being faced with the opportunity of being a close carer for an aging parent with dementia brought intangible discoveries that changed our insight of the meaning of the rest of our life journey.
A STUDY ON THE IMPACT OF ORGANIZATIONAL CULTURE ON THE EFFECTIVENESS OF PERFO...IAEME Publication
The main objective of this study is to analyze the impact of aspects of Organizational Culture on the Effectiveness of the Performance Management System (PMS) in the Health Care Organization at Thanjavur. Organizational Culture and PMS play a crucial role in present-day organizations in achieving their objectives. PMS needs employees’ cooperation to achieve its intended objectives. Employees' cooperation depends upon the organization’s culture. The present study uses exploratory research to examine the relationship between the Organization's culture and the Effectiveness of the Performance Management System. The study uses a Structured Questionnaire to collect the primary data. For this study, Thirty-six non-clinical employees were selected from twelve randomly selected Health Care organizations at Thanjavur. Thirty-two fully completed questionnaires were received.
Living in 21st century in itself reminds all of us the necessity of police and its administration. As more and more we are entering into the modern society and culture, the more we require the services of the so called ‘Khaki Worthy’ men i.e., the police personnel. Whether we talk of Indian police or the other nation’s police, they all have the same recognition as they have in India. But as already mentioned, their services and requirements are different after the like 26th November, 2008 incidents, where they without saving their own lives has sacrificed themselves without any hitch and without caring about their respective family members and wards. In other words, they are like our heroes and mentors who can guide us from the darkness of fear, militancy, corruption and other dark sides of life and so on. Now the question arises, if Gandhi would have been alive today, what would have been his reaction/opinion to the police and its functioning? Would he have some thing different in his mind now what he had been in his mind before the partition or would he be going to start some Satyagraha in the form of some improvement in the functioning of the police administration? Really these questions or rather night mares can come to any one’s mind, when there is too much confusion is prevailing in our minds, when there is too much corruption in the society and when the polices working is also in the questioning because of one or the other case throughout the India. It is matter of great concern that we have to thing over our administration and our practical approach because the police personals are also like us, they are part and parcel of our society and among one of us, so why we all are pin pointing towards them.
A STUDY ON TALENT MANAGEMENT AND ITS IMPACT ON EMPLOYEE RETENTION IN SELECTED...IAEME Publication
The goal of this study was to see how talent management affected employee retention in the selected IT organizations in Chennai. The fundamental issue was the difficulty to attract, hire, and retain talented personnel who perform well and the gap between supply and demand of talent acquisition and retaining them within the firms. The study's main goals were to determine the impact of talent management on employee retention in IT companies in Chennai, investigate talent management strategies that IT companies could use to improve talent acquisition, performance management, career planning and formulate retention strategies that the IT firms could use. The respondents were given a structured close-ended questionnaire with the 5 Point Likert Scale as part of the study's quantitative research design. The target population consisted of 289 IT professionals. The questionnaires were distributed and collected by the researcher directly. The Statistical Package for Social Sciences (SPSS) was used to collect and analyse the questionnaire responses. Hypotheses that were formulated for the various areas of the study were tested using a variety of statistical tests. The key findings of the study suggested that talent management had an impact on employee retention. The studies also found that there is a clear link between the implementation of talent management and retention measures. Management should provide enough training and development for employees, clarify job responsibilities, provide adequate remuneration packages, and recognise employees for exceptional performance.
ATTRITION IN THE IT INDUSTRY DURING COVID-19 PANDEMIC: LINKING EMOTIONAL INTE...IAEME Publication
Globally, Millions of dollars were spent by the organizations for employing skilled Information Technology (IT) professionals. It is costly to replace unskilled employees with IT professionals possessing technical skills and competencies that aid in interconnecting the business processes. The organization’s employment tactics were forced to alter by globalization along with technological innovations as they consistently diminish to remain lean, outsource to concentrate on core competencies along with restructuring/reallocate personnel to gather efficiency. As other jobs, organizations or professions have become reasonably more appropriate in a shifting employment landscape, the above alterations trigger both involuntary as well as voluntary turnover. The employee view on jobs is also afflicted by the COVID-19 pandemic along with the employee-driven labour market. So, having effective strategies is necessary to tackle the withdrawal rate of employees. By associating Emotional Intelligence (EI) along with Talent Management (TM) in the IT industry, the rise in attrition rate was analyzed in this study. Only 303 respondents were collected out of 350 participants to whom questionnaires were distributed. From the employees of IT organizations located in Bangalore (India), the data were congregated. A simple random sampling methodology was employed to congregate data as of the respondents. Generating the hypothesis along with testing is eventuated. The effect of EI and TM along with regression analysis between TM and EI was analyzed. The outcomes indicated that employee and Organizational Performance (OP) were elevated by effective EI along with TM.
INFLUENCE OF TALENT MANAGEMENT PRACTICES ON ORGANIZATIONAL PERFORMANCE A STUD...IAEME Publication
By implementing talent management strategy, organizations would have the option to retain their skilled professionals while additionally working on their overall performance. It is the course of appropriately utilizing the ideal individuals, setting them up for future top positions, exploring and dealing with their performance, and holding them back from leaving the organization. It is employee performance that determines the success of every organization. The firm quickly obtains an upper hand over its rivals in the event that its employees having particular skills that cannot be duplicated by the competitors. Thus, firms are centred on creating successful talent management practices and processes to deal with the unique human resources. Firms are additionally endeavouring to keep their top/key staff since on the off chance that they leave; the whole store of information leaves the firm's hands. The study's objective was to determine the impact of talent management on organizational performance among the selected IT organizations in Chennai. The study recommends that talent management limitedly affects performance. On the off chance that this talent is appropriately management and implemented properly, organizations might benefit as much as possible from their maintained assets to support development and productivity, both monetarily and non-monetarily.
A STUDY OF VARIOUS TYPES OF LOANS OF SELECTED PUBLIC AND PRIVATE SECTOR BANKS...IAEME Publication
Banking regulations act of India, 1949 defines banking as “acceptance of deposits for the purpose of lending or investment from the public, repayment on demand or otherwise and withdrawable through cheques, drafts order or otherwise”, the major participants of the Indian financial system are commercial banks, the financial institution encompassing term lending institutions. Investments institutions, specialized financial institution and the state level development banks, non banking financial companies (NBFC) and other market intermediaries such has the stock brokers and money lenders are among the oldest of the certain variants of NBFC and the oldest market participants. The asset quality of banks is one of the most important indicators of their financial health. The Indian banking sector has been facing severe problems of increasing Non- Performing Assets (NPAs). The NPAs growth directly and indirectly affects the quality of assets and profitability of banks. It also shows the efficiency of banks credit risk management and the recovery effectiveness. NPA do not generate any income, whereas, the bank is required to make provisions for such as assets that why is a double edge weapon. This paper outlines the concept of quality of bank loans of different types like Housing, Agriculture and MSME loans in state Haryana of selected public and private sector banks. This study is highlighting problems associated with the role of commercial bank in financing Small and Medium Scale Enterprises (SME). The overall objective of the research was to assess the effect of the financing provisions existing for the setting up and operations of MSMEs in the country and to generate recommendations for more robust financing mechanisms for successful operation of the MSMEs, in turn understanding the impact of MSME loans on financial institutions due to NPA. There are many research conducted on the topic of Non- Performing Assets (NPA) Management, concerning particular bank, comparative study of public and private banks etc. In this paper the researcher is considering the aggregate data of selected public sector and private sector banks and attempts to compare the NPA of Housing, Agriculture and MSME loans in state Haryana of public and private sector banks. The tools used in the study are average and Anova test and variance. The findings reveal that NPA is common problem for both public and private sector banks and is associated with all types of loans either that is housing loans, agriculture loans and loans to SMES. NPAs of both public and private sector banks show the increasing trend. In 2010-11 GNPA of public and private sector were at same level it was 2% but after 2010-11 it increased in many fold and at present there is GNPA in some more than 15%. It shows the dark area of Indian banking sector.
EXPERIMENTAL STUDY OF MECHANICAL AND TRIBOLOGICAL RELATION OF NYLON/BaSO4 POL...IAEME Publication
An experiment conducted in this study found that BaSO4 changed Nylon 6's mechanical properties. By changing the weight ratios, BaSO4 was used to make Nylon 6. This Researcher looked into how hard Nylon-6/BaSO4 composites are and how well they wear. Experiments were done based on Taguchi design L9. Nylon-6/BaSO4 composites can be tested for their hardness number using a Rockwell hardness testing apparatus. On Nylon/BaSO4, the wear behavior was measured by a wear monitor, pinon-disc friction by varying reinforcement, sliding speed, and sliding distance, and the microstructure of the crack surfaces was observed by SEM. This study provides significant contributions to ultimate strength by increasing BaSO4 content up to 16% in the composites, and sliding speed contributes 72.45% to the wear rate
ROLE OF SOCIAL ENTREPRENEURSHIP IN RURAL DEVELOPMENT OF INDIA - PROBLEMS AND ...IAEME Publication
The majority of the population in India lives in villages. The village is the back bone of the country. Village or rural industries play an important role in the national economy, particularly in the rural development. Developing the rural economy is one of the key indicators towards a country’s success. Whether it be the need to look after the welfare of the farmers or invest in rural infrastructure, Governments have to ensure that rural development isn’t compromised. The economic development of our country largely depends on the progress of rural areas and the standard of living of rural masses. Village or rural industries play an important role in the national economy, particularly in the rural development. Rural entrepreneurship is based on stimulating local entrepreneurial talent and the subsequent growth of indigenous enterprises. It recognizes opportunity in the rural areas and accelerates a unique blend of resources either inside or outside of agriculture. Rural entrepreneurship brings an economic value to the rural sector by creating new methods of production, new markets, new products and generate employment opportunities thereby ensuring continuous rural development. Social Entrepreneurship has the direct and primary objective of serving the society along with the earning profits. So, social entrepreneurship is different from the economic entrepreneurship as its basic objective is not to earn profits but for providing innovative solutions to meet the society needs which are not taken care by majority of the entrepreneurs as they are in the business for profit making as a sole objective. So, the Social Entrepreneurs have the huge growth potential particularly in the developing countries like India where we have huge societal disparities in terms of the financial positions of the population. Still 22 percent of the Indian population is below the poverty line and also there is disparity among the rural & urban population in terms of families living under BPL. 25.7 percent of the rural population & 13.7 percent of the urban population is under BPL which clearly shows the disparity of the poor people in the rural and urban areas. The need to develop social entrepreneurship in agriculture is dictated by a large number of social problems. Such problems include low living standards, unemployment, and social tension. The reasons that led to the emergence of the practice of social entrepreneurship are the above factors. The research problem lays upon disclosing the importance of role of social entrepreneurship in rural development of India. The paper the tendencies of social entrepreneurship in India, to present successful examples of such business for providing recommendations how to improve situation in rural areas in terms of social entrepreneurship development. Indian government has made some steps towards development of social enterprises, social entrepreneurship, and social in- novation, but a lot remains to be improved.
OPTIMAL RECONFIGURATION OF POWER DISTRIBUTION RADIAL NETWORK USING HYBRID MET...IAEME Publication
Distribution system is a critical link between the electric power distributor and the consumers. Most of the distribution networks commonly used by the electric utility is the radial distribution network. However in this type of network, it has technical issues such as enormous power losses which affect the quality of the supply. Nowadays, the introduction of Distributed Generation (DG) units in the system help improve and support the voltage profile of the network as well as the performance of the system components through power loss mitigation. In this study network reconfiguration was done using two meta-heuristic algorithms Particle Swarm Optimization and Gravitational Search Algorithm (PSO-GSA) to enhance power quality and voltage profile in the system when simultaneously applied with the DG units. Backward/Forward Sweep Method was used in the load flow analysis and simulated using the MATLAB program. Five cases were considered in the Reconfiguration based on the contribution of DG units. The proposed method was tested using IEEE 33 bus system. Based on the results, there was a voltage profile improvement in the system from 0.9038 p.u. to 0.9594 p.u.. The integration of DG in the network also reduced power losses from 210.98 kW to 69.3963 kW. Simulated results are drawn to show the performance of each case.
APPLICATION OF FRUGAL APPROACH FOR PRODUCTIVITY IMPROVEMENT - A CASE STUDY OF...IAEME Publication
Manufacturing industries have witnessed an outburst in productivity. For productivity improvement manufacturing industries are taking various initiatives by using lean tools and techniques. However, in different manufacturing industries, frugal approach is applied in product design and services as a tool for improvement. Frugal approach contributed to prove less is more and seems indirectly contributing to improve productivity. Hence, there is need to understand status of frugal approach application in manufacturing industries. All manufacturing industries are trying hard and putting continuous efforts for competitive existence. For productivity improvements, manufacturing industries are coming up with different effective and efficient solutions in manufacturing processes and operations. To overcome current challenges, manufacturing industries have started using frugal approach in product design and services. For this study, methodology adopted with both primary and secondary sources of data. For primary source interview and observation technique is used and for secondary source review has done based on available literatures in website, printed magazines, manual etc. An attempt has made for understanding application of frugal approach with the study of manufacturing industry project. Manufacturing industry selected for this project study is Mahindra and Mahindra Ltd. This paper will help researcher to find the connections between the two concepts productivity improvement and frugal approach. This paper will help to understand significance of frugal approach for productivity improvement in manufacturing industry. This will also help to understand current scenario of frugal approach in manufacturing industry. In manufacturing industries various process are involved to deliver the final product. In the process of converting input in to output through manufacturing process productivity plays very critical role. Hence this study will help to evolve status of frugal approach in productivity improvement programme. The notion of frugal can be viewed as an approach towards productivity improvement in manufacturing industries.
A MULTIPLE – CHANNEL QUEUING MODELS ON FUZZY ENVIRONMENTIAEME Publication
In this paper, we investigated a queuing model of fuzzy environment-based a multiple channel queuing model (M/M/C) ( /FCFS) and study its performance under realistic conditions. It applies a nonagonal fuzzy number to analyse the relevant performance of a multiple channel queuing model (M/M/C) ( /FCFS). Based on the sub interval average ranking method for nonagonal fuzzy number, we convert fuzzy number to crisp one. Numerical results reveal that the efficiency of this method. Intuitively, the fuzzy environment adapts well to a multiple channel queuing models (M/M/C) ( /FCFS) are very well.