KTU SYLLABUS
KTU Syllabus for s6 mechanical engineering
HEAT AND MASS TRANSFER
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This document outlines the objectives and units of study for the course ME8693 Heat and Mass Transfer. The course aims to teach students about heat transfer through conduction, convection and radiation as well as mass transfer. It is divided into 5 units which will cover topics such as conduction through plane and composite systems, free and forced convection, phase change heat transfer, heat exchangers, radiation heat transfer, and mass diffusion. Upon completing the course, students will be able to apply heat and mass transfer concepts and equations to solve a variety of problems.
This document provides information about a course on Advanced Heat and Mass Transfer taught by Dr. Muhammad Anwar at the Institute of Space Technology. The course will cover topics such as conduction, convection, radiation and mass transfer. The course text and references are listed. The course contents, grading scheme, expectations around academic integrity, assignments and a course project are outlined. Information is also provided on the differences between heat transfer and thermodynamics, examples of heat transfer applications, units used to measure heat and energy, and the different modes of heat transfer.
This document provides an overview of a heat transfer course. It includes 5 units: conduction, extended surfaces and transient conduction, convection, heat exchangers and phase change, and radiation. For each unit, it lists key topics, example problems, and industrial applications. It also outlines the course objectives, outcomes, tools, methodology, and includes sample problems and their solutions. The document provides a comprehensive overview of the essential concepts, quantitative problems, and practical relevance of heat transfer.
This document provides information about the course "Heat Transfer II" for the Chemical Engineering program. It includes details such as course code, credits, prerequisites, and general and specific objectives. It also outlines the main topics that will be covered, including heat exchanger design, laminar and free convection flow, process calculations, evaporation, and cooling towers. Evaluation methods are mentioned which include exams, simulations, and design projects related to evaporators and cooling towers. Recommended textbooks are also provided.
This 3 credit course builds on concepts from Transport Phenomena I and focuses on fundamental principles and applications of mass transfer. Key topics covered include theoretical basis for convective heat and mass transfer correlations, heat exchanger and mass transfer equipment design, diffusion, interphase mass transport, and analysis of chemical processes involving mass transfer. By the end of the course students should be able to analyze situations involving convective heat and mass transfer, combine heat transfer resistances, solve diffusion problems, understand analogies between momentum, heat and mass transfer, and design packed columns for simultaneous heat and mass transfer.
This document provides an outline for an ME-412 Heat and Mass Transfer course. The course will cover topics including conduction, convection, radiation, heat exchangers, and mass transfer. Recommended textbooks are listed. Prerequisites for the course are ME 212: Thermodynamics-II and ME 213: Fluid Mechanics-II. The instructor is Dr. Adnan Qamar Tareen from the Mechanical Engineering Department.
This course covers concepts of heat transfer including conduction, convection and radiation. It focuses on applying principles of heat transfer to analyze engineering systems and heat exchangers. Key topics include steady-state conduction, principles of convection, forced convection, natural convection, condensation and boiling, heat exchangers, and radiation heat transfer. Assessment includes coursework on applying heat transfer to a system, practical, test, and examination.
This document outlines the objectives and units of study for the course ME8693 Heat and Mass Transfer. The course aims to teach students about heat transfer through conduction, convection and radiation as well as mass transfer. It is divided into 5 units which will cover topics such as conduction through plane and composite systems, free and forced convection, phase change heat transfer, heat exchangers, radiation heat transfer, and mass diffusion. Upon completing the course, students will be able to apply heat and mass transfer concepts and equations to solve a variety of problems.
This document provides information about a course on Advanced Heat and Mass Transfer taught by Dr. Muhammad Anwar at the Institute of Space Technology. The course will cover topics such as conduction, convection, radiation and mass transfer. The course text and references are listed. The course contents, grading scheme, expectations around academic integrity, assignments and a course project are outlined. Information is also provided on the differences between heat transfer and thermodynamics, examples of heat transfer applications, units used to measure heat and energy, and the different modes of heat transfer.
This document provides an overview of a heat transfer course. It includes 5 units: conduction, extended surfaces and transient conduction, convection, heat exchangers and phase change, and radiation. For each unit, it lists key topics, example problems, and industrial applications. It also outlines the course objectives, outcomes, tools, methodology, and includes sample problems and their solutions. The document provides a comprehensive overview of the essential concepts, quantitative problems, and practical relevance of heat transfer.
This document provides information about the course "Heat Transfer II" for the Chemical Engineering program. It includes details such as course code, credits, prerequisites, and general and specific objectives. It also outlines the main topics that will be covered, including heat exchanger design, laminar and free convection flow, process calculations, evaporation, and cooling towers. Evaluation methods are mentioned which include exams, simulations, and design projects related to evaporators and cooling towers. Recommended textbooks are also provided.
This 3 credit course builds on concepts from Transport Phenomena I and focuses on fundamental principles and applications of mass transfer. Key topics covered include theoretical basis for convective heat and mass transfer correlations, heat exchanger and mass transfer equipment design, diffusion, interphase mass transport, and analysis of chemical processes involving mass transfer. By the end of the course students should be able to analyze situations involving convective heat and mass transfer, combine heat transfer resistances, solve diffusion problems, understand analogies between momentum, heat and mass transfer, and design packed columns for simultaneous heat and mass transfer.
This document provides an outline for an ME-412 Heat and Mass Transfer course. The course will cover topics including conduction, convection, radiation, heat exchangers, and mass transfer. Recommended textbooks are listed. Prerequisites for the course are ME 212: Thermodynamics-II and ME 213: Fluid Mechanics-II. The instructor is Dr. Adnan Qamar Tareen from the Mechanical Engineering Department.
This course covers concepts of heat transfer including conduction, convection and radiation. It focuses on applying principles of heat transfer to analyze engineering systems and heat exchangers. Key topics include steady-state conduction, principles of convection, forced convection, natural convection, condensation and boiling, heat exchangers, and radiation heat transfer. Assessment includes coursework on applying heat transfer to a system, practical, test, and examination.
This document reviews research on the heat transfer of nanofluids when an electric or magnetic field is applied. It discusses how applied fields can affect the heat transfer performance and mechanisms of nanofluids. While studies show fields can significantly impact nanofluid heat transfer, there are differing opinions on their exact effects and mechanisms. The document aims to analyze the mechanism of thermal conductivity enhancement in nanofluids and how applied fields induce chaotic convection and heat transfer enhancement.
Parametric Studies On Heat Transfer by Natural Convection from Inclined Cylin...IRJET Journal
This document provides an overview of parametric studies on heat transfer by natural convection from an inclined cylinder placed in a vertical channel. The parameters varied include heat input, aspect ratio (ratio of cylinder length to channel spacing), and cylinder elevation. The goal is to determine heat transfer characteristics and temperature distribution to develop correlations for design purposes. Previous studies investigated natural convection from inclined cylinders and cylinders in vertical channels. Results showed heat transfer increases with inclination angle and decreases with channel convergence.
1. The document describes an experiment measuring the thermal conductivity of cylindrical shells through radial heat transfer. Equipment included a display and control unit, measuring object, and experimental setups for radial and linear heat conduction.
2. The procedure involved setting up the equipment, connecting power and data cables, adjusting the temperature drop, and recording measurements once steady state was reached. Calculations of thermal conductivity were shown using equations relating conductivity to heat transfer rate, temperature difference, and cylinder dimensions.
3. Results showed that thermal conductivity decreases with increasing temperature difference and length, but increases with increasing natural log of the outer to inner radius ratio. The conductivity depends on composition, cross-sectional area, length, and temperature drop across an object
This document provides an overview of fundamentals of heat transfer. It discusses key objectives like understanding the relationship between thermodynamics and heat transfer. The main modes of heat transfer - conduction, convection and radiation - are introduced. Conduction involves energy transfer through direct contact of particles. Convection requires fluid motion, while radiation occurs via electromagnetic waves. Concepts like Fourier's law of conduction and Newton's law of cooling are also summarized.
Heat transfer can occur via three modes: conduction, convection, and radiation. Conduction involves the transfer of energy between adjacent particles in solids, liquids, and gases due to temperature differences. Convection refers to the transfer of heat by the movement of fluids and involves both conduction and fluid motion. Radiation is the emission and transmission of electromagnetic waves from the surface of an object as a result of its temperature. The key modes of heat transfer are analyzed using concepts such as the thermal conductivity of materials, heat transfer coefficients, and Stefan-Boltzmann's law of thermal radiation.
This document provides an introduction and table of contents to the book "Introduction to Transport Phenomena - Momentum, Heat and Mass" by Bodh Raj. The book covers momentum transfer, heat transfer, and mass transfer phenomena across four main sections. It is intended as an introductory text for undergraduate students and includes solved examples and problems for each chapter.
Lectures on Heat Transfer - Introduction - Applications - Fundamentals - Gove...tmuliya
This file contains Introduction to Heat Transfer and Fundamental laws governing heat transfer.
The slides were prepared while teaching Heat Transfer course to the M.Tech. students in Mechanical Engineering Dept. of St. Joseph Engineering College, Vamanjoor, Mangalore, India.
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.
This document discusses the three main modes of heat transfer: conduction, convection, and radiation.
Conduction occurs through direct contact within solids and liquids at rest, transferring energy from high to low temperature particles. Convection involves fluid motion, either forced or natural, transferring energy between a surface and fluid with different temperatures. Radiation transfers energy through electromagnetic waves in a vacuum or medium.
It provides the Fourier law of heat conduction and discusses heat transfer by conduction in a slab. It also explains Newton's law of cooling for convection and the Stefan-Boltzmann law for radiation heat transfer between black surfaces. The document lists common materials and their thermal conductivities and concludes with details about a heat transfer textbook
The document discusses various topics related to chemical unit operations and heat transfer. It begins by covering chemical unit operations, including definitions of unit operations and the five main classes: fluid flow processes, heat transfer processes, mass transfer processes, thermodynamic processes, and mechanical processes. It then discusses heat transfer in depth, covering the three modes of heat transfer (conduction, convection, and radiation), equations governing each mode, and key aspects of convective heat transfer including boundary layers and Newton's Law of Cooling. Finally, it outlines the main steps in the thermal design procedure for a heat exchanger, including energy balancing, geometry selection, flow velocity choice, and design optimization.
This document provides an introduction to heat transfer and thermodynamics concepts. It discusses how heat transfer, thermodynamics, and various energy concepts are related. The three main modes of heat transfer - conduction, convection and radiation - are introduced, along with the governing equations for each. Fourier's law of heat conduction, Newton's law of cooling, and the Stefan-Boltzmann law of radiation are outlined. The document also discusses combined heat transfer mechanisms, thermal properties, and applications of heat transfer concepts.
This document provides an introduction and overview of key concepts in heat and mass transfer. It defines heat transfer and distinguishes it from thermodynamics. The three main modes of heat transfer are described: conduction, convection, and radiation. Fourier's law of heat conduction, Newton's law of cooling, and the Stefan-Boltzmann law of radiation are also introduced. The document outlines the relationship between heat transfer and thermodynamics, and how heat transfer problems are approached in engineering.
This document provides an introduction and overview of key concepts in heat and mass transfer. It defines heat transfer and distinguishes it from thermodynamics. The three main modes of heat transfer are described as conduction, convection and radiation. Fourier's law of heat conduction, Newton's law of cooling and the Stefan-Boltzmann law of radiation are introduced. The document also discusses applications of heat transfer, the historical development of understanding heat, and modeling approaches in engineering heat transfer problems.
This document discusses heat transfer and provides objectives and an overview of key concepts. It begins by defining heat transfer and its relationship to thermodynamics. It then outlines the main objectives, which are to understand the basic heat transfer mechanisms of conduction, convection, and radiation. It also discusses how heat transfer problems are used in engineering applications and provides background on the historical development of theories around heat and thermal energy.
This document outlines the revised syllabus for the Thermal Science 1 course offered by Pokhara University's Faculty of Science & Technology. The course objectives are to provide working knowledge of thermal science theories and applications, including applying laws of thermodynamics, distinguishing engine and pump cycles, and calculating heat transfer. Over 7 chapters and 1 lab session, topics such as concepts and properties of pure substances, the first and second laws of thermodynamics, entropy, power cycles, and heat transfer are covered. Laboratory work includes measuring pressure, volume, temperature, engine efficiency, heat transfer rates, and refrigeration system performance.
Applications Of Heat Transfer Enhancement Techniques A State-Of-The-Art ReviewSandra Long
This document provides a review of state-of-the-art heat transfer enhancement techniques. It discusses research on heat transfer fundamentals and applications. It covers various heat transfer techniques including the use of vortex generators, twisted tapes, ribs, and combined techniques. It shows that most compound techniques performed better than individual inserts for heat transfer augmentation. The document also reviews research on topics like compressible flows, channel flows, flow separation, and experimental methods for measuring heat transfer.
1) The document discusses the key concepts and objectives of conduction heat transfer including understanding the basic mechanisms of heat transfer such as conduction, convection, and radiation.
2) It explains the differences between thermodynamics, which deals with the amount of heat transfer between equilibrium states, and heat transfer which determines the rates of energy transfers.
3) The three modes of heat transfer - conduction, convection and radiation - are defined and the governing equations for each are provided including Fourier's law of conduction, Newton's law of cooling, and Stefan-Boltzmann law of radiation.
Study of Forced Convection Heat Transfer with Single phase and mixture phase ...IOSRJMCE
In this study, forced convection heat transfer of nanoliquids is done using both single-phase and mixture-phase models and the results are compared with experimental results. The governing equations of the study here are discretized using the finite volume method. Hybrid differencing scheme is used to calculate the face values of the control volumes. A code is written using SIMPLER algorithm and then solved using the MATLAB engine. The mixture-phase model studied here, considers two slip mechanisms between nanoparticle and base-fluid, namely Brownian diffusion and thermophoresis. Al2O3-water nanofluid is used for the study of nanofluid and the study shows significant increase in convective heat transfer coefficient while the mixturephase model demonstrates slightly lower values than the single-phase model. The study is done with various nanoparticle concentrations and Reynolds numbers. With increasing particle concentration and Reynolds number, the convective heat transfer coefficient increases and as well as the shear stress. For low concentrations of the nanoparticle, Nusselt number is slightly lower than the base fluid and as the concentration increases, the Nusselt number also rises higher than the base fluid
This document provides an outline for a course on thermal unit operations. It begins with definitions of unit operations and thermal unit operations. The three main mechanisms of heat transfer are then described: conduction, convection, and radiation. Conduction involves heat transfer through direct molecular contact in solids or stationary fluids. Convection uses fluid motion to transfer heat. Radiation transfers heat via electromagnetic waves without a medium. Equations for calculating heat transfer via these different mechanisms are also provided.
Thermodynamics deals with the amount of heat transfer between systems, while heat transfer determines the rates of energy transfer and temperature variations. Heat is transferred between objects by conduction, convection, or radiation. Conduction involves the transfer of kinetic energy between particles in direct contact. Convection combines conduction and fluid motion to transfer heat. Radiation emits electromagnetic waves and does not require a medium. Engineering applications include determining heat transfer rates and sizes of heat exchange equipment based on temperature differences and properties of materials.
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.
The CBC machine is a common diagnostic tool used by doctors to measure a patient's red blood cell count, white blood cell count and platelet count. The machine uses a small sample of the patient's blood, which is then placed into special tubes and analyzed. The results of the analysis are then displayed on a screen for the doctor to review. The CBC machine is an important tool for diagnosing various conditions, such as anemia, infection and leukemia. It can also help to monitor a patient's response to treatment.
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This document reviews research on the heat transfer of nanofluids when an electric or magnetic field is applied. It discusses how applied fields can affect the heat transfer performance and mechanisms of nanofluids. While studies show fields can significantly impact nanofluid heat transfer, there are differing opinions on their exact effects and mechanisms. The document aims to analyze the mechanism of thermal conductivity enhancement in nanofluids and how applied fields induce chaotic convection and heat transfer enhancement.
Parametric Studies On Heat Transfer by Natural Convection from Inclined Cylin...IRJET Journal
This document provides an overview of parametric studies on heat transfer by natural convection from an inclined cylinder placed in a vertical channel. The parameters varied include heat input, aspect ratio (ratio of cylinder length to channel spacing), and cylinder elevation. The goal is to determine heat transfer characteristics and temperature distribution to develop correlations for design purposes. Previous studies investigated natural convection from inclined cylinders and cylinders in vertical channels. Results showed heat transfer increases with inclination angle and decreases with channel convergence.
1. The document describes an experiment measuring the thermal conductivity of cylindrical shells through radial heat transfer. Equipment included a display and control unit, measuring object, and experimental setups for radial and linear heat conduction.
2. The procedure involved setting up the equipment, connecting power and data cables, adjusting the temperature drop, and recording measurements once steady state was reached. Calculations of thermal conductivity were shown using equations relating conductivity to heat transfer rate, temperature difference, and cylinder dimensions.
3. Results showed that thermal conductivity decreases with increasing temperature difference and length, but increases with increasing natural log of the outer to inner radius ratio. The conductivity depends on composition, cross-sectional area, length, and temperature drop across an object
This document provides an overview of fundamentals of heat transfer. It discusses key objectives like understanding the relationship between thermodynamics and heat transfer. The main modes of heat transfer - conduction, convection and radiation - are introduced. Conduction involves energy transfer through direct contact of particles. Convection requires fluid motion, while radiation occurs via electromagnetic waves. Concepts like Fourier's law of conduction and Newton's law of cooling are also summarized.
Heat transfer can occur via three modes: conduction, convection, and radiation. Conduction involves the transfer of energy between adjacent particles in solids, liquids, and gases due to temperature differences. Convection refers to the transfer of heat by the movement of fluids and involves both conduction and fluid motion. Radiation is the emission and transmission of electromagnetic waves from the surface of an object as a result of its temperature. The key modes of heat transfer are analyzed using concepts such as the thermal conductivity of materials, heat transfer coefficients, and Stefan-Boltzmann's law of thermal radiation.
This document provides an introduction and table of contents to the book "Introduction to Transport Phenomena - Momentum, Heat and Mass" by Bodh Raj. The book covers momentum transfer, heat transfer, and mass transfer phenomena across four main sections. It is intended as an introductory text for undergraduate students and includes solved examples and problems for each chapter.
Lectures on Heat Transfer - Introduction - Applications - Fundamentals - Gove...tmuliya
This file contains Introduction to Heat Transfer and Fundamental laws governing heat transfer.
The slides were prepared while teaching Heat Transfer course to the M.Tech. students in Mechanical Engineering Dept. of St. Joseph Engineering College, Vamanjoor, Mangalore, India.
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.
This document discusses the three main modes of heat transfer: conduction, convection, and radiation.
Conduction occurs through direct contact within solids and liquids at rest, transferring energy from high to low temperature particles. Convection involves fluid motion, either forced or natural, transferring energy between a surface and fluid with different temperatures. Radiation transfers energy through electromagnetic waves in a vacuum or medium.
It provides the Fourier law of heat conduction and discusses heat transfer by conduction in a slab. It also explains Newton's law of cooling for convection and the Stefan-Boltzmann law for radiation heat transfer between black surfaces. The document lists common materials and their thermal conductivities and concludes with details about a heat transfer textbook
The document discusses various topics related to chemical unit operations and heat transfer. It begins by covering chemical unit operations, including definitions of unit operations and the five main classes: fluid flow processes, heat transfer processes, mass transfer processes, thermodynamic processes, and mechanical processes. It then discusses heat transfer in depth, covering the three modes of heat transfer (conduction, convection, and radiation), equations governing each mode, and key aspects of convective heat transfer including boundary layers and Newton's Law of Cooling. Finally, it outlines the main steps in the thermal design procedure for a heat exchanger, including energy balancing, geometry selection, flow velocity choice, and design optimization.
This document provides an introduction to heat transfer and thermodynamics concepts. It discusses how heat transfer, thermodynamics, and various energy concepts are related. The three main modes of heat transfer - conduction, convection and radiation - are introduced, along with the governing equations for each. Fourier's law of heat conduction, Newton's law of cooling, and the Stefan-Boltzmann law of radiation are outlined. The document also discusses combined heat transfer mechanisms, thermal properties, and applications of heat transfer concepts.
This document provides an introduction and overview of key concepts in heat and mass transfer. It defines heat transfer and distinguishes it from thermodynamics. The three main modes of heat transfer are described: conduction, convection, and radiation. Fourier's law of heat conduction, Newton's law of cooling, and the Stefan-Boltzmann law of radiation are also introduced. The document outlines the relationship between heat transfer and thermodynamics, and how heat transfer problems are approached in engineering.
This document provides an introduction and overview of key concepts in heat and mass transfer. It defines heat transfer and distinguishes it from thermodynamics. The three main modes of heat transfer are described as conduction, convection and radiation. Fourier's law of heat conduction, Newton's law of cooling and the Stefan-Boltzmann law of radiation are introduced. The document also discusses applications of heat transfer, the historical development of understanding heat, and modeling approaches in engineering heat transfer problems.
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This document outlines the revised syllabus for the Thermal Science 1 course offered by Pokhara University's Faculty of Science & Technology. The course objectives are to provide working knowledge of thermal science theories and applications, including applying laws of thermodynamics, distinguishing engine and pump cycles, and calculating heat transfer. Over 7 chapters and 1 lab session, topics such as concepts and properties of pure substances, the first and second laws of thermodynamics, entropy, power cycles, and heat transfer are covered. Laboratory work includes measuring pressure, volume, temperature, engine efficiency, heat transfer rates, and refrigeration system performance.
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1) The document discusses the key concepts and objectives of conduction heat transfer including understanding the basic mechanisms of heat transfer such as conduction, convection, and radiation.
2) It explains the differences between thermodynamics, which deals with the amount of heat transfer between equilibrium states, and heat transfer which determines the rates of energy transfers.
3) The three modes of heat transfer - conduction, convection and radiation - are defined and the governing equations for each are provided including Fourier's law of conduction, Newton's law of cooling, and Stefan-Boltzmann law of radiation.
Study of Forced Convection Heat Transfer with Single phase and mixture phase ...IOSRJMCE
In this study, forced convection heat transfer of nanoliquids is done using both single-phase and mixture-phase models and the results are compared with experimental results. The governing equations of the study here are discretized using the finite volume method. Hybrid differencing scheme is used to calculate the face values of the control volumes. A code is written using SIMPLER algorithm and then solved using the MATLAB engine. The mixture-phase model studied here, considers two slip mechanisms between nanoparticle and base-fluid, namely Brownian diffusion and thermophoresis. Al2O3-water nanofluid is used for the study of nanofluid and the study shows significant increase in convective heat transfer coefficient while the mixturephase model demonstrates slightly lower values than the single-phase model. The study is done with various nanoparticle concentrations and Reynolds numbers. With increasing particle concentration and Reynolds number, the convective heat transfer coefficient increases and as well as the shear stress. For low concentrations of the nanoparticle, Nusselt number is slightly lower than the base fluid and as the concentration increases, the Nusselt number also rises higher than the base fluid
This document provides an outline for a course on thermal unit operations. It begins with definitions of unit operations and thermal unit operations. The three main mechanisms of heat transfer are then described: conduction, convection, and radiation. Conduction involves heat transfer through direct molecular contact in solids or stationary fluids. Convection uses fluid motion to transfer heat. Radiation transfers heat via electromagnetic waves without a medium. Equations for calculating heat transfer via these different mechanisms are also provided.
Thermodynamics deals with the amount of heat transfer between systems, while heat transfer determines the rates of energy transfer and temperature variations. Heat is transferred between objects by conduction, convection, or radiation. Conduction involves the transfer of kinetic energy between particles in direct contact. Convection combines conduction and fluid motion to transfer heat. Radiation emits electromagnetic waves and does not require a medium. Engineering applications include determining heat transfer rates and sizes of heat exchange equipment based on temperature differences and properties of materials.
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KTU SYLLABUS-me302 heat and mass transfer
1. Course
code
Course Name L-T-P-
Credits
Year of
Introduction
ME302 Heat and Mass Transfer 3-1-0-4 2016
Prerequisites : ME203 Mechanics of fluid
Course Objectives:
To introduce the various modes of heat transfer and to develop methodologies for
solving a wide variety of practical heat transfer problems
To provide useful information concerning the performance and design of simple
heat transfer systems
To introduce mass transfer
Syllabus:
Modes of Heat Transfer: Conduction: Most general heat conduction equation, One
dimensional steady state conduction with and without heat generation, Critical radius of
insulation, Elementary ideas of hydrodynamics and thermal boundary layers, Convection
heat transfer: Newton’s law of cooling, Dimensionless numbers, Dimensional analysis,
Problems. Fins: Types of fins : Fin efficiency and effectiveness. Boiling and condensation
heat transfer, Introduction to heat pipe. Transient heat conduction. Heat exchangers,
LMTD and NTU methods. Radiation: laws of radiation, Electrical analogy, Radiation
shields. Mass Transfer :Mass transfer by molecular diffusion, Convective mass transfer.
Expected outcome:
The students will be able to
1. Apply principles of heat and mass transfer to engineering problems
2. Analyse and obtain solutions to problems involving various modes of heat transfer
3. Design heat transfer systems such as heat exchangers, fins, radiation shields etc..
Text Books:
1. Sachdeva R C, Fundamentals of Engineering Heat and Mass Transfer, New Age Science
Limited, 2009
2. R.K.Rajput. Heat and mass transfer, S.Chand& Co.,2015
3. Nag P K., Heat and Mass Transfer, McGraw Hill,2011
4. Kothandaraman, C.P., Fundamentals of Heat and Mass Transfer, New Age International,
New Delhi, 2006
Data Book:
Heat and Mass Transfer data book: C.P. Kothandaraman, S. Subramanya, New age
International publishers,2014
References Books:
1. Yunus A Cengel, Heat Transfer: A Practical Approach, McGraw Hill,2015
2. Holman J P, Heat Transfer, McGraw Hill, 2011
3. Frank P. Incropera and David P. Dewitt, Heat and Mass Transfer, John Wiley and
sons, 2011
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2. Course Plan
Module Contents Hours
End
Sem.
Exam
Marks
I
Modes of Heat Transfer: Conduction: Fourier law of heat
conduction-Thermal conductivity of solids, liquids and gases-
Factors affecting thermal conductivity- Most general heat
conduction equation in Cartesian, cylindrical and spherical
coordinates One dimensional steady state conduction with and
without heat generation conduction through plane walls,
cylinders and spheres-variable thermal conductivity
conduction shape factor- heat transfer through corners and
edges. Critical radius of insulation.
12 15%
II
Elementary ideas of hydrodynamics and thermal boundary
layers-Thickness of Boundary layer-Displacement, Momentum
and Energy thickness (description only).
Convection heat transfer: Newton’s law of cooling- Laminar
and Turbulent flow, Reynolds Number, Critical Reynolds
Number, Prandtl Number, Nusselt Number, Grashoff Number
and Rayleigh’s Number. Dimensional analysis Buckingham’s
Pi theorem- Application of dimensional analysis to free and
forced convection- empirical relations- problems using
empirical relations
10 15%
FIRST INTERNAL EXAMINATIONEXAM
III
Transient heat conduction-lumped heat capacity method. Fins:
Types of fins - Heat transfer from fins of uniform cross
sectional area- Fin efficiency and effectiveness. Boiling and
condensation heat transfer(elementary ideas only),Introduction
to heat pipe.
8
15%
IV
Combined conduction and convection heat transfer-Overall
heat transfer coefficient - Heat exchangers: Types of heat
exchangers, AMTD, Fouling factor, Analysis of Heat
exchangers- LMTD method, Correction factor, Effectiveness-
NTU method, Special type of heat exchangers (condenser and
evaporator, simple problems only)
8 15%
SECOND INTERNAL EXAMINATION
V
Radiation- Nature of thermal radiation-definitions and
concepts- monochromatic and total emissive power-Intensity
of radiation- solid angle- absorptivity, reflectivity and
transmissivity-Concept of black body- Planck’ law- Kirchoff’s
law- Wein’s displacement law-Stefan Boltzmann’s law- black,
gray and real surfaces-Configuration factor (derivation for
simple geometries only)- Electrical analogy- Heat exchange
between black/gray surfaces- infinite parallel plates, equal and
parallel opposite plates-perpendicular rectangles having
common edge- parallel discs (simple problems using charts
and tables). Radiation shields(no derivation).
10 20%
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3. VI
Mass Transfer :Mass transfer by molecular diffusion- Fick’s law
of diffusion- diffusion coefficient Steady state diffusion of gases
and liquids through solid- equimolar diffusion, Isothermal
evaporation of water through air- simple problems.
Convective mass transfer- Evaluation of mass transfer
coefficient- empirical relations- simple problems- analogy
between heat and mass transfer.
8 20%
END SEMESTER EXAM
Question Paper Pattern
Use of approved data book permitted
Total marks: 100, Time: 3 hrs
The question paper should consist of three parts
Part A
There should be 2 questions each from module I and II
Each question carries 10 marks
Students will have to answer any three questions out of 4 (3X10 marks =30 marks)
Part B
There should be 2 questions each from module III and IV
Each question carries 10 marks
Students will have to answer any three questions out of 4 (3X10 marks =30 marks)
Part C
There should be 3 questions each from module V and VI
Each question carries 10 marks
Students will have to answer any four questions out of 6 (4X10 marks =40 marks)
Note: Each question can have a maximum of four sub questions, if needed.
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