The presentation gives information about the Taylor-Hobson Roughness Tester, which is a surface finish measurer. it would increase the knowledge of the viewer.
1) When air flows around a corner at supersonic speeds, it does not create a shock wave but rather forms an expansion wave where the flow accelerates and Mach lines diverge.
2) In supersonic flow, expansion waves occur when the cross-sectional area of the flow path increases, lowering both temperature and pressure.
3) For a flat plate at a positive angle of attack in supersonic flow, the upper surface experiences an expansion wave at the leading edge and oblique shock at the trailing edge, producing uniform suction pressure to generate lift along with associated drag.
This presentation discusses axial force. Axial force is a force that acts along the longitudinal axis of a structural member and tends to elongate or shorten it. It can be a stretching or compressive force depending on its direction. The presentation defines axial force, discusses its nature and considerations for design. It provides examples of axial force on different members like columns, beams, shafts and cylinders. Calculation steps and formulas for determining axial force are also outlined.
The taylor hobson talysurf surface roughness testervaibhav tailor
This instrument measures surface roughness using a stylus attached to an armature. Variations in the surface profile are sensed by the stylus and cause the gap between the armature and an E-shaped arm to vary, modulating the AC current in a coil. This modulation is demodulated so the output is directly proportional to the vertical displacement of the stylus, allowing a recorder to produce a record of the surface roughness. The instrument provides a more rapid and accurate measurement of surface roughness compared to the Tomlinson surface tester.
PRESENTATION ON AXIAL FORCE 10.01.03.063(SEC:B)zamanjahid
This presentation summarizes axial force on structural members. Axial force is a compressive or tensile force acting along the longitudinal axis of a member. Eccentric loading produces both axial force and bending moment in a member. Examples of axial force include the compressive force on columns supporting a building roof. The nature, effects, and calculation of axial force are discussed. An example problem demonstrates solving for reactions on an axially loaded steel rod using compatibility and equilibrium equations.
This document provides information about shear force and shear force diagrams. It defines shear force as the sum of vertical forces acting to the left or right of a beam section. A shear force diagram graphically represents the variation of shear force along the length of a beam, with ordinates showing shear force values and abscissas showing section positions. Shear force diagrams are useful analytical tools for structural design, allowing designers to determine required member sizes and materials to support loads without failure. The document also discusses sign conventions, methods for drawing shear force diagrams, practical applications, and examples of shear force diagrams for different beam types and load configurations.
The document discusses axial force and axial force diagrams (AFDs). It defines axial force as any force that directly acts on the center axis of an object, typically stretching or compression forces. An AFD is a graphical representation of the axial loads acting at each section of a structural member, plotted proportionately with signs indicating tension or compression. The document provides examples of drawing AFDs for simply supported beams, cantilever beams, and frames under different loading conditions. It also lists some common structural analysis software that can be used to draw AFDs, such as ETABS, STAAD-Pro, and SAP-2000.
The Taylor-Hobson-Talysurf surface roughness tester uses a stylus that senses variations in a surface's profile. As the stylus moves across the surface, the gap between its armature and induction coils varies, modulating the AC current flowing through the coils. This modulated output is demodulated so the current is directly proportional to the stylus' vertical displacement. The demodulated output operates a pen recorder to produce a surface profile record and allows for a numerical roughness assessment. The Taylor-Hobson-Talysurf provides a more rapid and accurate roughness measurement than other testers due to its carrier modulating principle and demodulated output.
1) The document discusses torsion and torsional deformation of circular shafts. It derives the torsion formula which relates the shear stress in a shaft to the torque and geometry of the shaft's cross section.
2) Power transmission using shafts is discussed. The relationship between torque, angular velocity, and power is defined. Shaft design using the torsion formula and allowable shear stress is also covered.
3) Examples are presented to demonstrate calculating shear stresses and designing shafts given torque and power transmission information.
1) When air flows around a corner at supersonic speeds, it does not create a shock wave but rather forms an expansion wave where the flow accelerates and Mach lines diverge.
2) In supersonic flow, expansion waves occur when the cross-sectional area of the flow path increases, lowering both temperature and pressure.
3) For a flat plate at a positive angle of attack in supersonic flow, the upper surface experiences an expansion wave at the leading edge and oblique shock at the trailing edge, producing uniform suction pressure to generate lift along with associated drag.
This presentation discusses axial force. Axial force is a force that acts along the longitudinal axis of a structural member and tends to elongate or shorten it. It can be a stretching or compressive force depending on its direction. The presentation defines axial force, discusses its nature and considerations for design. It provides examples of axial force on different members like columns, beams, shafts and cylinders. Calculation steps and formulas for determining axial force are also outlined.
The taylor hobson talysurf surface roughness testervaibhav tailor
This instrument measures surface roughness using a stylus attached to an armature. Variations in the surface profile are sensed by the stylus and cause the gap between the armature and an E-shaped arm to vary, modulating the AC current in a coil. This modulation is demodulated so the output is directly proportional to the vertical displacement of the stylus, allowing a recorder to produce a record of the surface roughness. The instrument provides a more rapid and accurate measurement of surface roughness compared to the Tomlinson surface tester.
PRESENTATION ON AXIAL FORCE 10.01.03.063(SEC:B)zamanjahid
This presentation summarizes axial force on structural members. Axial force is a compressive or tensile force acting along the longitudinal axis of a member. Eccentric loading produces both axial force and bending moment in a member. Examples of axial force include the compressive force on columns supporting a building roof. The nature, effects, and calculation of axial force are discussed. An example problem demonstrates solving for reactions on an axially loaded steel rod using compatibility and equilibrium equations.
This document provides information about shear force and shear force diagrams. It defines shear force as the sum of vertical forces acting to the left or right of a beam section. A shear force diagram graphically represents the variation of shear force along the length of a beam, with ordinates showing shear force values and abscissas showing section positions. Shear force diagrams are useful analytical tools for structural design, allowing designers to determine required member sizes and materials to support loads without failure. The document also discusses sign conventions, methods for drawing shear force diagrams, practical applications, and examples of shear force diagrams for different beam types and load configurations.
The document discusses axial force and axial force diagrams (AFDs). It defines axial force as any force that directly acts on the center axis of an object, typically stretching or compression forces. An AFD is a graphical representation of the axial loads acting at each section of a structural member, plotted proportionately with signs indicating tension or compression. The document provides examples of drawing AFDs for simply supported beams, cantilever beams, and frames under different loading conditions. It also lists some common structural analysis software that can be used to draw AFDs, such as ETABS, STAAD-Pro, and SAP-2000.
The Taylor-Hobson-Talysurf surface roughness tester uses a stylus that senses variations in a surface's profile. As the stylus moves across the surface, the gap between its armature and induction coils varies, modulating the AC current flowing through the coils. This modulated output is demodulated so the current is directly proportional to the stylus' vertical displacement. The demodulated output operates a pen recorder to produce a surface profile record and allows for a numerical roughness assessment. The Taylor-Hobson-Talysurf provides a more rapid and accurate roughness measurement than other testers due to its carrier modulating principle and demodulated output.
1) The document discusses torsion and torsional deformation of circular shafts. It derives the torsion formula which relates the shear stress in a shaft to the torque and geometry of the shaft's cross section.
2) Power transmission using shafts is discussed. The relationship between torque, angular velocity, and power is defined. Shaft design using the torsion formula and allowable shear stress is also covered.
3) Examples are presented to demonstrate calculating shear stresses and designing shafts given torque and power transmission information.
Tilting of arm is easily available in existing design as working arm is for shifting the big sheetmetal body
from one station to another to get drilled. Now task is to design hub which allows turning of robotic arm along with
tilting without affecting its working behavior. In this study design and evaluation of hub body formed by weldment
sheet metal components is done. validation of strength is done by carrying out static structural analysis in ANSYS.
Abstract:In a typical keyed shaft connection where shock or reversing loads are to be transmitted, the clearance between key and keyway required for fitting is a serious disadvantage. The impact loads, generate a continuous pounding between key and keyway. This pounding frequently leads to shaft failures. The present project work presents a Keyless coupling. The device provides an ultimate solution by incorporating all the advantages of interference fits, while eliminating mounting and removal problems. Analysis is carried using ANSYS. The obtained results are compared with standard values. The standard values are taken for RINGFEDER catalog. The keyless data is taken from RINGFEDER. Here it has made an attempt in analyzing keyless coupling. From the results it can be concluded that keyless coupling is most suitable.
Keywords:coefficient of thermal expansion, interference fit, virtual shrink, Contact surface, wedge principle.
1. This experiment investigates how torque is affected by material properties, length, and angle of twist using a twist and bend machine.
2. Specimens of different materials are tested by applying torque at varying loads and clamping lengths, and measuring the resulting torsional angle.
3. The shear modulus of brass, copper, and steel is determined by relating the applied torque, torsional stress, and measured torsional angle.
Armature reaction in a synchronous machineSouvik Dutta
1) Armature reaction is the effect of armature flux on the main field flux in a synchronous machine. When current flows in the armature windings, it produces an armature flux that interacts with the main field flux.
2) At unity power factor, the armature reaction flux lags the main field flux by 90 degrees. At zero lagging power factor, the armature reaction flux opposes and weakens the main field flux in a demagnetizing effect. At zero leading power factor, the armature reaction flux is in the direction of the main field flux and has a magnetizing effect.
3) The armature reaction flux remains constant in magnitude and rotates at synchronous speed.
Armature reaction is the distortion of the magnetic field in a DC generator caused by the magnetic field produced by current in the armature. This reaction shifts the neutral plane and affects commutation. It can reduce the induced EMF and torque. Methods to reduce armature reaction include using poles with high reluctance at the tips, laminated pole shoes, reducing armature flux through field pole laminations, having a strong main magnetic field, using interpoles, and adding compensating windings.
Research Inventy : International Journal of Engineering and Scienceinventy
The document analytically represents the torque characteristics of a repulsion motor based on basic magnetism theory. It develops mathematical expressions to calculate torque by considering the forces of attraction and repulsion between the stator and rotor poles. The torque is modeled as a function of the angle between the stator field axis and rotor brush axis. Three models of increasing complexity are presented to predict torque values for different angular displacements. Analytical results show good agreement with practical motor torque curves. The paper establishes a method to determine torque production in repulsion motors using fundamental magnetic principles.
1. The document describes a clamp or compression coupling, which uses two halves of a cast iron muff that are bolted together around the abutting ends of two connected shafts. A single key fits in the keyways of both shafts to transmit power.
2. Design considerations for this type of coupling include sizing the clamping bolts to withstand the frictional forces between the muff and shafts, which transmit the torque. The proper bolt root diameter is calculated based on these frictional forces.
3. Tolerances for misalignment are provided by a bushed-pin flexible coupling. It uses rubber or leather bushes around coupling pins to connect two flanged halves with some clearance, absorbing misalignment
The document discusses key terminology related to limits and fits including:
- Basic size, zero line, shaft, hole, deviations, tolerance, fits, and grades of tolerance.
- It defines types of fits like clearance fit, transition fit, interference fit.
- It explains hole basis and shaft basis systems for defining fits and provides an example designation.
- The document also discusses endurance limit, fatigue limit, and notch sensitivity factor which is a measure of how sensitive materials are to stress concentrations from notches or geometric irregularities.
The document provides information on moving coil galvanometers, torque, ammeters, and voltmeters. It discusses the principles, construction, and working of moving coil galvanometers. It defines torque and describes its relation to power and energy. It outlines the history and types of ammeters, including moving coil, moving magnet, electrodynamic, and moving iron ammeters. It also briefly discusses analog and digital voltmeters.
Friction stir spot welding (FSSW) is a solid-state welding process that creates spot welds without bulk melting. It has advantages over resistance spot welding like producing higher quality welds. The key parameters that affect FSSW are tool geometry, rotational speed, downward force, dwell time, and plunge depth. FSSW produces three distinct microstructural zones - the stir zone with fine equiaxed grains, thermo-mechanically affected zone, and heat affected zone. Studies show FSSW produces stronger welds with higher microhardness than resistance spot welding. FSSW has applications in automotive manufacturing for joining different materials like aluminum and steel.
Sets are collections of distinct objects called elements or members. This document defines common set notations like N, Z, Q, R, etc. and describes ways to represent sets in roster or set-builder form. It also defines types of sets like singleton, empty, finite, infinite, universal sets and describes operations like union, intersection, difference and complement of sets. Venn diagrams provide a visual representation of relationships between sets.
This document discusses various unconventional machining processes including chemical machining, electrochemical machining (ECM), electron beam machining, laser beam machining, water jet machining, abrasive water jet machining, ultrasonic machining, and machining of nonmetallic materials like ceramics and plastics. It provides details on the process, applications, advantages and limitations, and material removal rates of each unconventional machining technique. Figures and tables are included to illustrate examples and compare characteristics of different unconventional machining processes.
This presentation provides an insight to the topic of milling machines and its basics. It will be of great help for the beginners who would be trying to grasp the concepts related to this topic.
The presentation provides an insight to the topic of grinding machines and abrasives. It introduces the topic in an easy and lucid way so that the viewers can easily grasp the concepts.
Corporate Social Responsibility and Business EthicsNishant Narvekar
This presentation gives an insight to the concepts of Corporate Social Responsibility and Business Ethics. This presentation will be a good one for begineers trying to conceptualize on economics.
1. The document discusses the concept of entropy in thermodynamics.
2. It introduces Clausius inequality and how it led Clausius to define a new property called entropy.
3. Entropy is defined as the ratio of infinitesimal heat transfer to temperature during a reversible process. The entropy change of a system depends only on its initial and final states, not the path between them.
The document discusses irreversibility, the Gouy-Stodola theorem, and its applications to calculating second law efficiency. It states that the Gouy-Stodola theorem establishes that the rate of exergy (available energy) loss in a process is proportional to the rate of entropy generation. It then provides examples of applying the Gouy-Stodola equation to heat transfer through a finite temperature difference, fluid flow with friction, and mixing of two fluids. Finally, it defines second law efficiency as a measure of a device's performance relative to its maximum possible reversible performance.
Redefining brain tumor segmentation: a cutting-edge convolutional neural netw...IJECEIAES
Medical image analysis has witnessed significant advancements with deep learning techniques. In the domain of brain tumor segmentation, the ability to
precisely delineate tumor boundaries from magnetic resonance imaging (MRI)
scans holds profound implications for diagnosis. This study presents an ensemble convolutional neural network (CNN) with transfer learning, integrating
the state-of-the-art Deeplabv3+ architecture with the ResNet18 backbone. The
model is rigorously trained and evaluated, exhibiting remarkable performance
metrics, including an impressive global accuracy of 99.286%, a high-class accuracy of 82.191%, a mean intersection over union (IoU) of 79.900%, a weighted
IoU of 98.620%, and a Boundary F1 (BF) score of 83.303%. Notably, a detailed comparative analysis with existing methods showcases the superiority of
our proposed model. These findings underscore the model’s competence in precise brain tumor localization, underscoring its potential to revolutionize medical
image analysis and enhance healthcare outcomes. This research paves the way
for future exploration and optimization of advanced CNN models in medical
imaging, emphasizing addressing false positives and resource efficiency.
Electric vehicle and photovoltaic advanced roles in enhancing the financial p...IJECEIAES
Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network
Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024Sinan KOZAK
Sinan from the Delivery Hero mobile infrastructure engineering team shares a deep dive into performance acceleration with Gradle build cache optimizations. Sinan shares their journey into solving complex build-cache problems that affect Gradle builds. By understanding the challenges and solutions found in our journey, we aim to demonstrate the possibilities for faster builds. The case study reveals how overlapping outputs and cache misconfigurations led to significant increases in build times, especially as the project scaled up with numerous modules using Paparazzi tests. The journey from diagnosing to defeating cache issues offers invaluable lessons on maintaining cache integrity without sacrificing functionality.
Tilting of arm is easily available in existing design as working arm is for shifting the big sheetmetal body
from one station to another to get drilled. Now task is to design hub which allows turning of robotic arm along with
tilting without affecting its working behavior. In this study design and evaluation of hub body formed by weldment
sheet metal components is done. validation of strength is done by carrying out static structural analysis in ANSYS.
Abstract:In a typical keyed shaft connection where shock or reversing loads are to be transmitted, the clearance between key and keyway required for fitting is a serious disadvantage. The impact loads, generate a continuous pounding between key and keyway. This pounding frequently leads to shaft failures. The present project work presents a Keyless coupling. The device provides an ultimate solution by incorporating all the advantages of interference fits, while eliminating mounting and removal problems. Analysis is carried using ANSYS. The obtained results are compared with standard values. The standard values are taken for RINGFEDER catalog. The keyless data is taken from RINGFEDER. Here it has made an attempt in analyzing keyless coupling. From the results it can be concluded that keyless coupling is most suitable.
Keywords:coefficient of thermal expansion, interference fit, virtual shrink, Contact surface, wedge principle.
1. This experiment investigates how torque is affected by material properties, length, and angle of twist using a twist and bend machine.
2. Specimens of different materials are tested by applying torque at varying loads and clamping lengths, and measuring the resulting torsional angle.
3. The shear modulus of brass, copper, and steel is determined by relating the applied torque, torsional stress, and measured torsional angle.
Armature reaction in a synchronous machineSouvik Dutta
1) Armature reaction is the effect of armature flux on the main field flux in a synchronous machine. When current flows in the armature windings, it produces an armature flux that interacts with the main field flux.
2) At unity power factor, the armature reaction flux lags the main field flux by 90 degrees. At zero lagging power factor, the armature reaction flux opposes and weakens the main field flux in a demagnetizing effect. At zero leading power factor, the armature reaction flux is in the direction of the main field flux and has a magnetizing effect.
3) The armature reaction flux remains constant in magnitude and rotates at synchronous speed.
Armature reaction is the distortion of the magnetic field in a DC generator caused by the magnetic field produced by current in the armature. This reaction shifts the neutral plane and affects commutation. It can reduce the induced EMF and torque. Methods to reduce armature reaction include using poles with high reluctance at the tips, laminated pole shoes, reducing armature flux through field pole laminations, having a strong main magnetic field, using interpoles, and adding compensating windings.
Research Inventy : International Journal of Engineering and Scienceinventy
The document analytically represents the torque characteristics of a repulsion motor based on basic magnetism theory. It develops mathematical expressions to calculate torque by considering the forces of attraction and repulsion between the stator and rotor poles. The torque is modeled as a function of the angle between the stator field axis and rotor brush axis. Three models of increasing complexity are presented to predict torque values for different angular displacements. Analytical results show good agreement with practical motor torque curves. The paper establishes a method to determine torque production in repulsion motors using fundamental magnetic principles.
1. The document describes a clamp or compression coupling, which uses two halves of a cast iron muff that are bolted together around the abutting ends of two connected shafts. A single key fits in the keyways of both shafts to transmit power.
2. Design considerations for this type of coupling include sizing the clamping bolts to withstand the frictional forces between the muff and shafts, which transmit the torque. The proper bolt root diameter is calculated based on these frictional forces.
3. Tolerances for misalignment are provided by a bushed-pin flexible coupling. It uses rubber or leather bushes around coupling pins to connect two flanged halves with some clearance, absorbing misalignment
The document discusses key terminology related to limits and fits including:
- Basic size, zero line, shaft, hole, deviations, tolerance, fits, and grades of tolerance.
- It defines types of fits like clearance fit, transition fit, interference fit.
- It explains hole basis and shaft basis systems for defining fits and provides an example designation.
- The document also discusses endurance limit, fatigue limit, and notch sensitivity factor which is a measure of how sensitive materials are to stress concentrations from notches or geometric irregularities.
The document provides information on moving coil galvanometers, torque, ammeters, and voltmeters. It discusses the principles, construction, and working of moving coil galvanometers. It defines torque and describes its relation to power and energy. It outlines the history and types of ammeters, including moving coil, moving magnet, electrodynamic, and moving iron ammeters. It also briefly discusses analog and digital voltmeters.
Friction stir spot welding (FSSW) is a solid-state welding process that creates spot welds without bulk melting. It has advantages over resistance spot welding like producing higher quality welds. The key parameters that affect FSSW are tool geometry, rotational speed, downward force, dwell time, and plunge depth. FSSW produces three distinct microstructural zones - the stir zone with fine equiaxed grains, thermo-mechanically affected zone, and heat affected zone. Studies show FSSW produces stronger welds with higher microhardness than resistance spot welding. FSSW has applications in automotive manufacturing for joining different materials like aluminum and steel.
Similar to The Taylor Hobson Roughness Tester (11)
Sets are collections of distinct objects called elements or members. This document defines common set notations like N, Z, Q, R, etc. and describes ways to represent sets in roster or set-builder form. It also defines types of sets like singleton, empty, finite, infinite, universal sets and describes operations like union, intersection, difference and complement of sets. Venn diagrams provide a visual representation of relationships between sets.
This document discusses various unconventional machining processes including chemical machining, electrochemical machining (ECM), electron beam machining, laser beam machining, water jet machining, abrasive water jet machining, ultrasonic machining, and machining of nonmetallic materials like ceramics and plastics. It provides details on the process, applications, advantages and limitations, and material removal rates of each unconventional machining technique. Figures and tables are included to illustrate examples and compare characteristics of different unconventional machining processes.
This presentation provides an insight to the topic of milling machines and its basics. It will be of great help for the beginners who would be trying to grasp the concepts related to this topic.
The presentation provides an insight to the topic of grinding machines and abrasives. It introduces the topic in an easy and lucid way so that the viewers can easily grasp the concepts.
Corporate Social Responsibility and Business EthicsNishant Narvekar
This presentation gives an insight to the concepts of Corporate Social Responsibility and Business Ethics. This presentation will be a good one for begineers trying to conceptualize on economics.
1. The document discusses the concept of entropy in thermodynamics.
2. It introduces Clausius inequality and how it led Clausius to define a new property called entropy.
3. Entropy is defined as the ratio of infinitesimal heat transfer to temperature during a reversible process. The entropy change of a system depends only on its initial and final states, not the path between them.
The document discusses irreversibility, the Gouy-Stodola theorem, and its applications to calculating second law efficiency. It states that the Gouy-Stodola theorem establishes that the rate of exergy (available energy) loss in a process is proportional to the rate of entropy generation. It then provides examples of applying the Gouy-Stodola equation to heat transfer through a finite temperature difference, fluid flow with friction, and mixing of two fluids. Finally, it defines second law efficiency as a measure of a device's performance relative to its maximum possible reversible performance.
Redefining brain tumor segmentation: a cutting-edge convolutional neural netw...IJECEIAES
Medical image analysis has witnessed significant advancements with deep learning techniques. In the domain of brain tumor segmentation, the ability to
precisely delineate tumor boundaries from magnetic resonance imaging (MRI)
scans holds profound implications for diagnosis. This study presents an ensemble convolutional neural network (CNN) with transfer learning, integrating
the state-of-the-art Deeplabv3+ architecture with the ResNet18 backbone. The
model is rigorously trained and evaluated, exhibiting remarkable performance
metrics, including an impressive global accuracy of 99.286%, a high-class accuracy of 82.191%, a mean intersection over union (IoU) of 79.900%, a weighted
IoU of 98.620%, and a Boundary F1 (BF) score of 83.303%. Notably, a detailed comparative analysis with existing methods showcases the superiority of
our proposed model. These findings underscore the model’s competence in precise brain tumor localization, underscoring its potential to revolutionize medical
image analysis and enhance healthcare outcomes. This research paves the way
for future exploration and optimization of advanced CNN models in medical
imaging, emphasizing addressing false positives and resource efficiency.
Electric vehicle and photovoltaic advanced roles in enhancing the financial p...IJECEIAES
Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network
Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024Sinan KOZAK
Sinan from the Delivery Hero mobile infrastructure engineering team shares a deep dive into performance acceleration with Gradle build cache optimizations. Sinan shares their journey into solving complex build-cache problems that affect Gradle builds. By understanding the challenges and solutions found in our journey, we aim to demonstrate the possibilities for faster builds. The case study reveals how overlapping outputs and cache misconfigurations led to significant increases in build times, especially as the project scaled up with numerous modules using Paparazzi tests. The journey from diagnosing to defeating cache issues offers invaluable lessons on maintaining cache integrity without sacrificing functionality.
AI for Legal Research with applications, toolsmahaffeycheryld
AI applications in legal research include rapid document analysis, case law review, and statute interpretation. AI-powered tools can sift through vast legal databases to find relevant precedents and citations, enhancing research accuracy and speed. They assist in legal writing by drafting and proofreading documents. Predictive analytics help foresee case outcomes based on historical data, aiding in strategic decision-making. AI also automates routine tasks like contract review and due diligence, freeing up lawyers to focus on complex legal issues. These applications make legal research more efficient, cost-effective, and accessible.
Digital Twins Computer Networking Paper Presentation.pptxaryanpankaj78
A Digital Twin in computer networking is a virtual representation of a physical network, used to simulate, analyze, and optimize network performance and reliability. It leverages real-time data to enhance network management, predict issues, and improve decision-making processes.
Comparative analysis between traditional aquaponics and reconstructed aquapon...bijceesjournal
The aquaponic system of planting is a method that does not require soil usage. It is a method that only needs water, fish, lava rocks (a substitute for soil), and plants. Aquaponic systems are sustainable and environmentally friendly. Its use not only helps to plant in small spaces but also helps reduce artificial chemical use and minimizes excess water use, as aquaponics consumes 90% less water than soil-based gardening. The study applied a descriptive and experimental design to assess and compare conventional and reconstructed aquaponic methods for reproducing tomatoes. The researchers created an observation checklist to determine the significant factors of the study. The study aims to determine the significant difference between traditional aquaponics and reconstructed aquaponics systems propagating tomatoes in terms of height, weight, girth, and number of fruits. The reconstructed aquaponics system’s higher growth yield results in a much more nourished crop than the traditional aquaponics system. It is superior in its number of fruits, height, weight, and girth measurement. Moreover, the reconstructed aquaponics system is proven to eliminate all the hindrances present in the traditional aquaponics system, which are overcrowding of fish, algae growth, pest problems, contaminated water, and dead fish.
Null Bangalore | Pentesters Approach to AWS IAMDivyanshu
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
VARIABLE FREQUENCY DRIVE. VFDs are widely used in industrial applications for...PIMR BHOPAL
Variable frequency drive .A Variable Frequency Drive (VFD) is an electronic device used to control the speed and torque of an electric motor by varying the frequency and voltage of its power supply. VFDs are widely used in industrial applications for motor control, providing significant energy savings and precise motor operation.
Rainfall intensity duration frequency curve statistical analysis and modeling...bijceesjournal
Using data from 41 years in Patna’ India’ the study’s goal is to analyze the trends of how often it rains on a weekly, seasonal, and annual basis (1981−2020). First, utilizing the intensity-duration-frequency (IDF) curve and the relationship by statistically analyzing rainfall’ the historical rainfall data set for Patna’ India’ during a 41 year period (1981−2020), was evaluated for its quality. Changes in the hydrologic cycle as a result of increased greenhouse gas emissions are expected to induce variations in the intensity, length, and frequency of precipitation events. One strategy to lessen vulnerability is to quantify probable changes and adapt to them. Techniques such as log-normal, normal, and Gumbel are used (EV-I). Distributions were created with durations of 1, 2, 3, 6, and 24 h and return times of 2, 5, 10, 25, and 100 years. There were also mathematical correlations discovered between rainfall and recurrence interval.
Findings: Based on findings, the Gumbel approach produced the highest intensity values, whereas the other approaches produced values that were close to each other. The data indicates that 461.9 mm of rain fell during the monsoon season’s 301st week. However, it was found that the 29th week had the greatest average rainfall, 92.6 mm. With 952.6 mm on average, the monsoon season saw the highest rainfall. Calculations revealed that the yearly rainfall averaged 1171.1 mm. Using Weibull’s method, the study was subsequently expanded to examine rainfall distribution at different recurrence intervals of 2, 5, 10, and 25 years. Rainfall and recurrence interval mathematical correlations were also developed. Further regression analysis revealed that short wave irrigation, wind direction, wind speed, pressure, relative humidity, and temperature all had a substantial influence on rainfall.
Originality and value: The results of the rainfall IDF curves can provide useful information to policymakers in making appropriate decisions in managing and minimizing floods in the study area.
Prediction of Electrical Energy Efficiency Using Information on Consumer's Ac...PriyankaKilaniya
Energy efficiency has been important since the latter part of the last century. The main object of this survey is to determine the energy efficiency knowledge among consumers. Two separate districts in Bangladesh are selected to conduct the survey on households and showrooms about the energy and seller also. The survey uses the data to find some regression equations from which it is easy to predict energy efficiency knowledge. The data is analyzed and calculated based on five important criteria. The initial target was to find some factors that help predict a person's energy efficiency knowledge. From the survey, it is found that the energy efficiency awareness among the people of our country is very low. Relationships between household energy use behaviors are estimated using a unique dataset of about 40 households and 20 showrooms in Bangladesh's Chapainawabganj and Bagerhat districts. Knowledge of energy consumption and energy efficiency technology options is found to be associated with household use of energy conservation practices. Household characteristics also influence household energy use behavior. Younger household cohorts are more likely to adopt energy-efficient technologies and energy conservation practices and place primary importance on energy saving for environmental reasons. Education also influences attitudes toward energy conservation in Bangladesh. Low-education households indicate they primarily save electricity for the environment while high-education households indicate they are motivated by environmental concerns.
1. ALA COMPONENT
TOPIC: The Taylor-Hobson Roughness Tester
Submitted By: Submitted To:
Nishant Mathar(170410119058) Prof. Sagar S. Jani
Raj Meghani(170410119059)
Bhargav Mistry(170410119060)
Nishant Narvekar(170410119061)
2. The Taylor-Hobson Roughness Tester
This instrument is a stylus and skid type of
instrument working on carrier modulating
principle. The variation in the surface profile is
sensed by the probe, which is attached to the
armature.
The gap between the armature and E-shaped
arm varies according to the surface profile and
due to this amplitude of the AC current flowing
in the coil is modulated.
3. Construction
As showen in figure(in next slide), the
stylus is mounted on the armeture, which
is pivoted at the central limb of an E-
shaped soft iorn head.
The outer limbs of the head are provided
with two induction coils and a small air
gap between the armeture and outer
limbs of the head.
5. Working
A downword movement of the stylus results in
decreasing the air gap of the primary coil and in an
equal increase of the air gap at the secondary coil.
Thus the amplitude of the original A.C. current flowing
in the coil is modulated
The output of the bridge thus consist o9f modulation
only.
6. This is further demodulated so that
the current now is directly propotional
to the vertical displacement of the
stylus only.
The demodulated output is caused to
operate a pen recorder to produce a
permanent record and the meter to
give a numerical assessment directly.
7. Advantages
Any desired roughness parameter can be obtained
Higher accuracy is obtained in measurement
Ultra precision measurements can be obtained
Simple processing electronics elements
Proven technology