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Osip Aksenov
Osip Aksenov

Master Heat and Mass Transfer with this Illustrated and Accessible Book


Heat And Mass Transfer Fundamentals And Applications 5th Edition 2014 PDF 25




Heat and mass transfer is a fundamental subject that deals with the transfer of energy and matter in various physical processes. It is essential for understanding and designing many engineering systems, such as power plants, refrigerators, air conditioners, engines, turbines, heat exchangers, solar collectors, and more. In this article, we will review a popular textbook that covers the basic principles and applications of heat and mass transfer in a comprehensive and accessible way. The book is called Heat and Mass Transfer: Fundamentals and Applications, by Yunus Cengel and Afshin Ghajar, published by McGraw-Hill Education in 2014. We will introduce the authors, the main features, the organization, and the summary of each chapter of the book. We will also provide some frequently asked questions (FAQs) about the book at the end.




Heat And Mass Transfer Fundamentals And Applications 5th Edition 2014 PDF 25



Introduction




In this section, we will briefly explain what heat and mass transfer is, why it is important, and how it is related to engineering applications.


What is heat and mass transfer?




Heat and mass transfer are two closely related phenomena that involve the movement of energy and matter from one place to another. Heat transfer is the process of transferring thermal energy between physical systems due to a temperature difference. Mass transfer is the process of transferring matter between physical systems due to a concentration difference. Both heat and mass transfer can occur by three different modes: conduction, convection, and radiation. Conduction is the transfer of heat or mass through direct contact between molecules. Convection is the transfer of heat or mass by the motion of a fluid (liquid or gas). Radiation is the transfer of heat by electromagnetic waves without requiring any medium.


Why is heat and mass transfer important?




Heat and mass transfer are important for many reasons. First, they are fundamental physical phenomena that govern many natural processes, such as weather, climate change, geothermal activity, combustion, evaporation, condensation, etc. Second, they are essential for human comfort and health, as they affect the temperature and humidity of our environment, our clothing, our food, our water, etc. Third, they are crucial for many engineering applications that involve energy conversion, storage, transport, utilization, and efficiency. For example, heat and mass transfer play a key role in designing thermal systems such as boilers, heat pumps, refrigerators, air conditioners, engines, turbines, etc. Similarly, mass transfer is important for designing chemical systems such as reactors, separators, distillers, absorbers, etc.


How is heat and mass transfer related to engineering applications?




Heat and mass transfer are related to engineering applications in many ways. First, they provide the theoretical foundation and the mathematical tools for analyzing and modeling various thermal and chemical processes. Second, they help engineers to understand the physical mechanisms and the factors that affect the performance and efficiency of different devices and systems. Third, they enable engineers to design and optimize the size, shape, material, and configuration of various components and systems to achieve the desired objectives and specifications. Fourth, they help engineers to evaluate and compare the advantages and disadvantages of different alternatives and solutions for various engineering problems.


Overview of the book




In this section, we will introduce the authors, the main features, and the organization of the book.


Who are the authors?




The authors of the book are Yunus Cengel and Afshin Ghajar. Yunus Cengel is a professor emeritus of mechanical engineering at the University of Nevada, Reno. He has a Ph.D. in mechanical engineering from North Carolina State University. He is an internationally recognized expert in thermodynamics, heat transfer, fluid mechanics, and related topics. He has authored or co-authored over 40 textbooks and hundreds of journal and conference papers. He has received many awards and honors for his teaching and research excellence. Afshin Ghajar is a regents professor and John Brammer professor in the School of Mechanical and Aerospace Engineering at Oklahoma State University, Stillwater. He has a Ph.D. in mechanical engineering from Oklahoma State University. He is an internationally recognized expert in experimental heat transfer/fluid mechanics and the development of practical engineering correlations. He has authored or co-authored over 10 textbooks and hundreds of journal and conference papers. He has received many awards and honors for his teaching and research excellence.


What are the main features of the book?




The book has many features that make it a valuable resource for students and instructors of heat and mass transfer courses. Some of these features are:



  • The book provides a complete coverage of the basic principles of heat transfer and a broad range of applications in a flexible format.



  • The book provides a highly intuitive and practical understanding of the material by emphasizing the physics and the underlying physical phenomena involved.



  • The book covers the standard topics of heat transfer with an emphasis on physics and real-world every day applications, while de-emphasizing mathematical aspects.



  • The book uses a consistent methodology for problem solving that involves four steps: (1) problem statement; (2) physical model; (3) analysis; (4) discussion.



  • The book includes numerous examples, solved problems, practice problems, review questions, concept questions, design projects, case studies, summary tables, figures, charts, equations, etc.



  • The book offers online resources such as Connect (an integrated learning system that adapts to students' needs), EES (an interactive software tool that solves engineering equations), FE Exam (a review for the Fundamentals of Engineering exam), etc.



How is the book organized?




The book is organized into 14 chapters that cover the following topics:



  • Chapter 1: Introduction and Basic Concepts



  • Chapter 2: Heat Conduction Equation



  • Chapter 3: Steady Heat Conduction



  • Chapter 4: Transient Heat Conduction



  • Chapter 5: Numerical Methods in Heat Conduction



  • Chapter 6: Fundamentals of Convection



  • Chapter 7: External Forced Convection



  • Chapter 8: Internal Forced Convection



  • Chapter 9: Natural Convection



  • Chapter 10: Boiling and Condensation



  • Chapter 11: Heat Exchangers



  • Chapter 12: Fundamentals of Thermal Radiation



  • Chapter 13: Radiation Heat Transfer



  • Chapter 14: Mass Transfer



The chapters are arranged in a logical sequence that follows the increasing complexity and diversity of heat and mass transfer phenomena. Each chapter begins with an introduction that outlines the objectives, scope, importance, applications, terminology, etc. of the topic. Then, each chapter presents the theory, analysis, examples, problems, etc. of the topic in a clear and concise manner. Finally, each chapter ends with a summary that highlights the main points, equations, tables, etc. of the topic.


Summary of the chapters




In this section, we will briefly summarize the main contents and concepts of each chapter of the book.


Chapter 1: Introduction and Basic Concepts




This chapter introduces the basic concepts and definitions of heat and mass transfer, such as temperature, heat, specific heat, latent heat, thermal conductivity, thermal diffusivity, heat flux, heat rate, heat transfer coefficient, thermal resistance, thermal contact resistance, etc. It also introduces the modes of heat transfer (conduction, convection, radiation) and the types of mass transfer (diffusion, convection). It also discusses the conservation of energy principle and its applications to closed and open systems. It also presents some illustrative examples of heat and mass transfer in engineering and everyday life.


Chapter 2: Heat Conduction Equation




This chapter derives the general heat conduction equation in Cartesian, cylindrical, and spherical coordinates. It also discusses the boundary and initial conditions for solving the heat conduction equation. It also introduces some analytical methods for solving one-dimensional steady-state heat conduction problems with and without heat generation. It also presents some numerical methods for solving two-dimensional steady-state heat conduction problems.


Chapter 3: Steady Heat Conduction




This chapter applies the heat conduction equation to various geometries and configurations of steady-state heat conduction problems. It covers topics such as plane walls, cylindrical and spherical shells, composite systems, contact resistance, fins, critical radius of insulation, etc. It also introduces some empirical correlations for estimating the convective heat transfer coefficients for various fluids and flow conditions.


Chapter 4: Transient Heat Conduction




This chapter applies the heat conduction equation to various geometries and configurations of transient heat conduction problems. It covers topics such as lumped system analysis, semi-infinite solids, infinite solids with convective boundary conditions, finite solids with convective boundary conditions, periodic heating and cooling, etc. It also introduces some analytical methods for solving transient heat conduction problems with constant properties and negligible internal resistance. It also presents some numerical methods for solving transient heat conduction problems with variable properties and significant internal resistance.


Chapter 5: Numerical Methods in Heat Conduction




This chapter presents some advanced numerical methods for solving complex heat conduction problems that cannot be solved by analytical or simple numerical methods. It covers topics such as finite difference method (FDM), finite element method (FEM), finite volume method (FVM), control volume method (CVM), etc. It also discusses some issues related to numerical methods such as accuracy, stability, convergence, grid generation, boundary conditions, etc.


Chapter 6: Fundamentals of Convection




This chapter introduces the basic concepts and definitions of convection heat transfer, such as velocity boundary layer, thermal boundary layer, hydrodynamic and thermal entry lengths, Reynolds number, Prandtl number, Nusselt number, etc. It also derives the general convection heat transfer equation in Cartesian coordinates. It also discusses the conservation of mass principle and its applications to fluid flow problems.


Chapter 7: External Forced Convection




This chapter applies the convection heat transfer equation to various geometries and configurations of external forced convection problems. It covers topics such as flat plates with laminar and turbulent boundary layers, cylinders in cross flow with laminar and turbulent boundary layers, spheres in cross flow with laminar and turbulent boundary layers, etc. It also introduces some empirical correlations for estimating the average Nusselt number for various shapes and flow conditions.


Chapter 8: Internal Forced Convection




This chapter applies the convection heat transfer equation to various geometries and configurations of internal forced convection problems. It covers topics such as fully developed laminar flow in circular tubes with constant surface temperature or constant surface heat flux, fully developed turbulent flow in circular tubes with constant surface temperature or constant surface heat flux, laminar or turbulent flow in noncircular tubes with constant surface temperature or constant surface heat flux, etc. It also introduces some empirical correlations for estimating the average Nusselt number for various shapes and flow conditions.


Chapter 9: Natural Convection




This chapter introduces the basic concepts and definitions of natural convection heat transfer, such as buoyancy force, Grashof number, Rayleigh number, etc. It also derives the general natural convection heat transfer equation in Cartesian coordinates. It also applies the natural convection heat transfer equation to various geometries and configurations of natural convection problems. It covers topics such as vertical plates with laminar and turbulent boundary layers, horizontal plates with laminar and turbulent boundary layers, inclined plates with laminar and turbulent boundary layers, cylinders and spheres with laminar and turbulent boundary layers, enclosures with laminar and turbulent boundary layers, etc. It also introduces some empirical correlations for estimating the average Nusselt number for various shapes and flow conditions.


Chapter 10: Boiling and Condensation




This chapter introduces the basic concepts and definitions of phase change heat transfer, such as boiling, condensation, latent heat, saturation temperature, saturation pressure, quality, etc. It also discusses the mechanisms and regimes of boiling and condensation heat transfer. It covers topics such as pool boiling curve, nucleate boiling, film boiling, critical heat flux, Leidenfrost point, forced convective boiling, pool condensation, film condensation, dropwise condensation, forced convective condensation, etc. It also introduces some empirical correlations for estimating the heat transfer coefficients for various modes and regimes of boiling and condensation.


Chapter 11: Heat Exchangers




This chapter introduces the basic concepts and definitions of heat exchangers, such as heat exchanger types, classifications, configurations, effectiveness, NTU method, LMTD method, fouling factor, pressure drop, etc. It also discusses the design and analysis of heat exchangers. It covers topics such as parallel-flow and counter-flow heat exchangers, cross-flow heat exchangers, shell-and-tube heat exchangers, compact heat exchangers, regenerators, etc. It also introduces some empirical correlations for estimating the overall heat transfer coefficients and the pressure drops for various types and configurations of heat exchangers.


Chapter 12: Fundamentals of Thermal Radiation




This chapter introduces the basic concepts and definitions of thermal radiation heat transfer, such as electromagnetic spectrum, wavelength, frequency, photon, blackbody radiation, Planck's law, Wien's displacement law, Stefan-Boltzmann law, Kirchhoff's law, emissivity, absorptivity, reflectivity, transmissivity, radiosity, irradiation, radiant intensity, radiation flux, radiation pressure, etc. It also discusses the properties and characteristics of real surfaces and gases in relation to thermal radiation. It covers topics such as gray surfaces, diffuse surfaces, specular surfaces, selective surfaces, participating media, absorption coefficient, scattering coefficient, extinction coefficient, Beer's law, etc.


Chapter 13: Radiation Heat Transfer




This chapter applies the thermal radiation heat transfer equation to various geometries and configurations of radiation heat transfer problems. It covers topics such as view factor, reciprocity relation, summation rule, enclosure relation, radiation network method, radiation shields, radiation exchange between black surfaces in an enclosure, radiation exchange between gray surfaces in an enclosure, radiation exchange between diffuse surfaces in an enclosure with or without participating media, etc. It also introduces some analytical and numerical methods for solving complex radiation heat transfer problems.


Chapter 14: Mass Transfer




This chapter introduces the basic concepts and definitions of mass transfer, such as concentration gradient, diffusion flux, Fick's law of diffusion, mass diffusivity, mass transfer coefficient, Sherwood number, Schmidt number, Lewis number, etc. It also discusses the analogy between heat and mass transfer. It covers topics such as molecular diffusion in gases and liquids, mass convection in laminar and turbulent flows over flat plates and inside tubes, mass convection with chemical reaction or phase change (evaporation or condensation), simultaneous heat and mass transfer (humidification or dehumidification), etc. It also introduces some empirical correlations for estimating the mass transfer coefficients for various fluids and flow conditions.


Conclusion




Conclusion




In this article, we have reviewed a popular textbook that covers the basic principles and applications of heat and mass transfer in a comprehensive and accessible way. The book is called Heat and Mass Transfer: Fundamentals and Applications, by Yunus Cengel and Afshin Ghajar, published by McGraw-Hill Education in 2014. We have introduced the authors, the main features, the organization, and the summary of each chapter of the book. We have also provided some frequently asked questions (FAQs) about the book at the end. We hope that this article has given you a clear and concise overview of the book and its contents. If you are interested in learning more about heat and mass transfer, we highly recommend that you read this book and use it as a reference for your studies and projects.


FAQs




Here are some FAQs about the book:



Q: How can I get access to the online resources of the book?


  • A: You can get access to the online resources of the book by registering at https://www.mheducation.com/highered/product/heat-mass-transfer-fundamentals-applications-cengel-ghajar/M9780073398181.html. You will need to provide your email address and a verification code that you can find in your book.



Q: How can I get a PDF version of the book?


  • A: You can get a PDF version of the book by purchasing it at https://www.amazon.com/Heat-Mass-Transfer-Fundamentals-Applications-ebook/dp/B00HZ3B0Z8. You will need to have an Amazon account and a Kindle device or app to read it.



Q: How can I get a solution manual for the book?


  • A: You can get a solution manual for the book by contacting your instructor or by searching online. However, we advise you to use the solution manual only as a last resort and to try to solve the problems by yourself first.



Q: How can I get more practice problems for the book?


  • A: You can get more practice problems for the book by using Connect, EES, FE Exam, or other online resources that are available for the book. You can also find more practice problems in other textbooks or websites that cover similar topics.



Q: How can I get help with the book?


  • A: You can get help with the book by asking your instructor, your classmates, your tutors, or online experts. You can also use online forums, blogs, videos, podcasts, etc. that discuss heat and mass transfer topics.



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