This document reviews the concept and applications of nanofluids in heat transfer. Nanofluids are fluids containing nanometer-sized solid particles that can enhance thermal conductivity and other properties of base fluids like water and ethylene glycol. The document discusses how nanofluids increase properties like thermal conductivity, density, heat capacity and viscosity compared to base fluids. It also reviews applications of nanofluids in improving efficiency of solar stills, heat exchangers, solar collectors and other thermal systems. For example, the use of nanofluids in solar stills can increase their efficiency and water production rate by over 50%. In heat exchangers, nanofluids increase effectiveness from around 40% to over 90% by enhancing heat
Heat transfer enhancement by nanofluid Suhail Patel
The purpose of this paper is to look into the present aspects of “Nanotechnology”. This gives a brief description of how heat transfer enhances using Nanofluid And its application in various fields viz. heat transportation, military applications, medical, etc. This paper focuses one explaining the basic mechanisms of improvement in heat transfer by addition nanoparticles.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Heat transfer enhancement by nanofluid Suhail Patel
The purpose of this paper is to look into the present aspects of “Nanotechnology”. This gives a brief description of how heat transfer enhances using Nanofluid And its application in various fields viz. heat transportation, military applications, medical, etc. This paper focuses one explaining the basic mechanisms of improvement in heat transfer by addition nanoparticles.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
INVESTIGATION ON HEAT TRANSFER PROPERTIES USING MICHELSON INTERFEROMETRYAmaldev J
Our work isto study the heat transfer properties of Nano fluid using Michelson Interferometry without disturbing the thermal flow field.Experiment consists of making a Nanofluid(ZnO)with water as base fluid,which is kept in a test cell and when laser beam passes through it fringes are formed on a screen.Byanalyzing these fringes we can determine its heat transfer characterstics.
To study the behavior of nanofluids in heat transfer applications a revieweSAT Journals
Abstract Using nanofluids as an innovative kind of liquid blend including trivial volume fraction (in percent) of millimeter or nanometer size powdered particles with base fluids is fairly a novel arena or idea. The objective of this presented review paper is to inspect the performance of the nanofluid-based solar collector (NBSC). In past few years for a number of experimental and industrial thermal engineering systems solar energy has proven to be the best input energy source. Nanofluids are the fluid that has shown various developments in the thermal properties over the past decade. In the field of nanotechnology, nano fluids have a great potential to enhance the rheological properties like thermal conductivity of base fluid like water, ethanol etc. Nanofluids are the suspension of mainly the base fluid like water in nanoparticles such as alumina (Al2O3) of size micro or milimetre and shows distinctive features than that of conservative fluids used. Because of better rheological properties nanofluids are utilized to build up the performance of conventional solar thermal engineering systems. The presented literature review presents a detailed discussion about the solar collectors, applications of nanofluids in solar collector and their augmentation in thermo physical properties. Keywords: Nano fluids, Nanoparticles, Solar collector, Thermal conductivity
Enhancement of rate of heat transfer using nano fluidsSharathKumar528
Nano fluids as coolants and lubricants is still very primitive in technology. This presentation explores the future of nano fluids for enhanced heat transfer.
a brief presentation of increasing efficiency of refrigerants using nanotechnology. its main objective is to reduce other pollution effects produced due to refrigerants.
Study of Heat Transfer Characteristics of Nanofluid as Coolant on a Single Cylinder Diesel Engine with Spiral Radiator.
Team Members: Sandeep Raj Kanth, Viral Hitenkumar Naik, Rudra Ranjan Swain
Guide: Dr. G. Naga Srinivasulu, Assistant Professor, Mechanical Engineering Department, NIT Warangal
Nanofluids are now developing technology in main purpose heat transfer stream. In paper has brief information on the introduction and preparation methods of nanofluids. This paper prepared from the study of online resources
EFFECT OF (AL2 O3) NANOFLUID ON HEAT TRANSFER CHARACTERISTICS FOR CIRCULAR FI...IAEME Publication
In the present work Experimental investigation of heat transfer enhancement in double tube heat exchanger and circular finned double tube heat exchanger. Experimental work included to design heat exchanger and manufacture eight circular fins made of copper of (66mm) outer diameter, (22mm) inner diameter, (1mm) thickness and (111.11mm) distance between fins.
NATURAL CONVECTIVE HEAT TRANSFER BY Al2O3 &PbO NANOFLUIDSAlagappapandian M
In this presentation related about natural convective heat transfer incresed by using different nano particles. in this fluid is called nanofluids. Nanofluids improve the heat transfer rate of base fluid.
INVESTIGATION ON HEAT TRANSFER PROPERTIES USING MICHELSON INTERFEROMETRYAmaldev J
Our work isto study the heat transfer properties of Nano fluid using Michelson Interferometry without disturbing the thermal flow field.Experiment consists of making a Nanofluid(ZnO)with water as base fluid,which is kept in a test cell and when laser beam passes through it fringes are formed on a screen.Byanalyzing these fringes we can determine its heat transfer characterstics.
To study the behavior of nanofluids in heat transfer applications a revieweSAT Journals
Abstract Using nanofluids as an innovative kind of liquid blend including trivial volume fraction (in percent) of millimeter or nanometer size powdered particles with base fluids is fairly a novel arena or idea. The objective of this presented review paper is to inspect the performance of the nanofluid-based solar collector (NBSC). In past few years for a number of experimental and industrial thermal engineering systems solar energy has proven to be the best input energy source. Nanofluids are the fluid that has shown various developments in the thermal properties over the past decade. In the field of nanotechnology, nano fluids have a great potential to enhance the rheological properties like thermal conductivity of base fluid like water, ethanol etc. Nanofluids are the suspension of mainly the base fluid like water in nanoparticles such as alumina (Al2O3) of size micro or milimetre and shows distinctive features than that of conservative fluids used. Because of better rheological properties nanofluids are utilized to build up the performance of conventional solar thermal engineering systems. The presented literature review presents a detailed discussion about the solar collectors, applications of nanofluids in solar collector and their augmentation in thermo physical properties. Keywords: Nano fluids, Nanoparticles, Solar collector, Thermal conductivity
Enhancement of rate of heat transfer using nano fluidsSharathKumar528
Nano fluids as coolants and lubricants is still very primitive in technology. This presentation explores the future of nano fluids for enhanced heat transfer.
a brief presentation of increasing efficiency of refrigerants using nanotechnology. its main objective is to reduce other pollution effects produced due to refrigerants.
Study of Heat Transfer Characteristics of Nanofluid as Coolant on a Single Cylinder Diesel Engine with Spiral Radiator.
Team Members: Sandeep Raj Kanth, Viral Hitenkumar Naik, Rudra Ranjan Swain
Guide: Dr. G. Naga Srinivasulu, Assistant Professor, Mechanical Engineering Department, NIT Warangal
Nanofluids are now developing technology in main purpose heat transfer stream. In paper has brief information on the introduction and preparation methods of nanofluids. This paper prepared from the study of online resources
EFFECT OF (AL2 O3) NANOFLUID ON HEAT TRANSFER CHARACTERISTICS FOR CIRCULAR FI...IAEME Publication
In the present work Experimental investigation of heat transfer enhancement in double tube heat exchanger and circular finned double tube heat exchanger. Experimental work included to design heat exchanger and manufacture eight circular fins made of copper of (66mm) outer diameter, (22mm) inner diameter, (1mm) thickness and (111.11mm) distance between fins.
NATURAL CONVECTIVE HEAT TRANSFER BY Al2O3 &PbO NANOFLUIDSAlagappapandian M
In this presentation related about natural convective heat transfer incresed by using different nano particles. in this fluid is called nanofluids. Nanofluids improve the heat transfer rate of base fluid.
In the recent research activities, the nanofluids have involved a great deal
attention since their superior report in thermal performance and many other
applications. Now a days cooling process is a great challenge in most of the chemical
process, Nuclear reactor, automobile radiator, micro electronics systems. To meet out
this, a novel coolant (Nano fluids) was developed by choi.S.U.S 1995 at Argonne
National lab. USA. In continuation to his work, water based alumina Nano fluids was
prepared and applied in shell and tube heat exchanger to analyze the heat transfer
rate. The same analysis is discussed with conventional base fluid of water and
alumina nanofluid also this presents the characterization of Alumina Nano particle by
means of XRD and SEM.
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.
Increasing Thermal Conductivity of a Heat Exchanger Using Copper Oxide Nano F...IJERA Editor
A Nano fluid is the evolving concept which is very rarely used in the many core industries. Nano fluids have
found a great application in heat exchangers by increasing the thermal conductivity. We have aimed to
increasing the heat transfer co-efficient by using copper oxide Nano fluid. The Nano particles are formed by
using precipitation method and their fluids are formed by adding surfactants to the base fluid. The comparative
study on the Heat exchanger is made by using the CuO Nano Fluid and Hot water. The analysis and the results
shows that the overall heat transfer rate increases when subjected to Nano Fluids. The ethylene glycol fluid used
along with copper oxide Nano fluid will offer resistance to fouling.
CFD Analysis for Heat Transfer Enhancement Using Nano Fluids in Double Pipe H...ijtsrd
This work includes the effect of different working fluid on the performance of heat exchanger. For analysing the effect of different working fluid, it considered air, water and different nanofluids and measure the Nusselt number and friction factor for each case. It also analysed the effect of change in Reynolds number on the performance of heat exchanger for different working fluids. For analysing the effect of change in Reynolds number, it considered four different Reynolds numbers that is 10000, 12000, 14000 and 16000. For performing the numerical analysis ANSYS fluent was used. Through numerical analysis it is found that for air as a working fluid heat transfer is less, whereas in case of water it is marginally higher than the air. But for all nano fluids, heat transfer is much higher than the air and water. For analysing the effect of different nano fluid, this work includes three nano fluids that are Al2O3, TiO2and ZrO2. Through analysis it is concluded that heat transfer is more in case of TiO2 as compared to other nanofluids, air and water. With increase in Re number heat transfer gets increase whereas as friction factor get decrease. Om Prakash | Pankaj Kumar ""CFD Analysis for Heat Transfer Enhancement Using Nano-Fluids in Double Pipe Heat Exchanger"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-2 , February 2020,
URL: https://www.ijtsrd.com/papers/ijtsrd29974.pdf
Paper Url : https://www.ijtsrd.com/engineering/mechanical-engineering/29974/cfd-analysis-for-heat-transfer-enhancement-using-nano-fluids-in-double-pipe-heat-exchanger/om-prakash
Effect of nanofluid on friction factor of pipe and pipe fittings part ii ef...eSAT Journals
Abstract A nanofluid is prepared by mixing nano sized particles of size up to 100 nm and a base fluid. Commonly used nanoparticles are made of metals, oxides or carbides, while base fluids may be water, ethylene glycol or oil. Normally, the application of nanofluids is to enhance the heat transfer rate. Due to mixing of nanoparticles in the base fluid, the thermo-physical properties of the resulting mixture (base fluid + nanoparticles) changes. Therefore, resistance to flow of nanofluid increases which increases the friction factor and reduces the flow rate. In the part I of paper, an experimental investigation has been carried out to determine the effect of various concentration of Al2O3 nano-dispersion mixed in water as base fluid on Friction Factor of Pipe and Pipe Fittings. The present study deals with the effect of CuO nanofluid on the Friction Factor of Pipe and Pipe Fittings. The friction factor and loss coefficient of different pipes and pipe fittings increase with increase in volume concentration of CuO in water as compared to water. Keywords: Nanofluid, Friction Factor, Pipe Friction, Pipe Fitting, CuO Nanoparticles
Computational Analysis of CuO Nano Coolant in a Car RadiatorIOSRJMCE
Nanofluids are basically nanoparticles in base fluids. Nanofluids have unique features different from conventional solid-liquid mixtures in which nano sized particles of metals and nonmetals are dispersed. Due to improvement of mechanical properties, nanofluids are widely used in heat transfer industries. The coolant is used water-based, with the addition of glycols to prevent freezing and other additives to limit corrosion, erosion and cavitations. In this study 50-50 mixture of Ethylene Glycol with water (EGW) is tested and compared with another mixture by adding 2 percent Copper oxide (CuO). The geometric model of radiator is uploaded in Autodesk CFD software for its computational analysis. It is analyzed up to 100 iterations. Both the results are compared to find the improved heat transfer rate due to the addition of 2% CuO with Ethylene Glycol and water
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdfKamal Acharya
The College Bus Management system is completely developed by Visual Basic .NET Version. The application is connect with most secured database language MS SQL Server. The application is develop by using best combination of front-end and back-end languages. The application is totally design like flat user interface. This flat user interface is more attractive user interface in 2017. The application is gives more important to the system functionality. The application is to manage the student’s details, driver’s details, bus details, bus route details, bus fees details and more. The application has only one unit for admin. The admin can manage the entire application. The admin can login into the application by using username and password of the admin. The application is develop for big and small colleges. It is more user friendly for non-computer person. Even they can easily learn how to manage the application within hours. The application is more secure by the admin. The system will give an effective output for the VB.Net and SQL Server given as input to the system. The compiled java program given as input to the system, after scanning the program will generate different reports. The application generates the report for users. The admin can view and download the report of the data. The application deliver the excel format reports. Because, excel formatted reports is very easy to understand the income and expense of the college bus. This application is mainly develop for windows operating system users. In 2017, 73% of people enterprises are using windows operating system. So the application will easily install for all the windows operating system users. The application-developed size is very low. The application consumes very low space in disk. Therefore, the user can allocate very minimum local disk space for this application.
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TECHNICAL TRAINING MANUAL GENERAL FAMILIARIZATION COURSEDuvanRamosGarzon1
AIRCRAFT GENERAL
The Single Aisle is the most advanced family aircraft in service today, with fly-by-wire flight controls.
The A318, A319, A320 and A321 are twin-engine subsonic medium range aircraft.
The family offers a choice of engines
Automobile Management System Project Report.pdfKamal Acharya
The proposed project is developed to manage the automobile in the automobile dealer company. The main module in this project is login, automobile management, customer management, sales, complaints and reports. The first module is the login. The automobile showroom owner should login to the project for usage. The username and password are verified and if it is correct, next form opens. If the username and password are not correct, it shows the error message.
When a customer search for a automobile, if the automobile is available, they will be taken to a page that shows the details of the automobile including automobile name, automobile ID, quantity, price etc. “Automobile Management System” is useful for maintaining automobiles, customers effectively and hence helps for establishing good relation between customer and automobile organization. It contains various customized modules for effectively maintaining automobiles and stock information accurately and safely.
When the automobile is sold to the customer, stock will be reduced automatically. When a new purchase is made, stock will be increased automatically. While selecting automobiles for sale, the proposed software will automatically check for total number of available stock of that particular item, if the total stock of that particular item is less than 5, software will notify the user to purchase the particular item.
Also when the user tries to sale items which are not in stock, the system will prompt the user that the stock is not enough. Customers of this system can search for a automobile; can purchase a automobile easily by selecting fast. On the other hand the stock of automobiles can be maintained perfectly by the automobile shop manager overcoming the drawbacks of existing system.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.