Analogy Between Mass And Heat Transfer With Turbulent Flow
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Analogy Between Mass And Heat Transfer With Turbulent Flow
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Author : Edmund E. Callaghan
language : en
Publisher:
Release Date : 1953
Analogy Between Mass And Heat Transfer With Turbulent Flow written by Edmund E. Callaghan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Heat categories.
An analysis of combined heat and mass transfer from a flat plate has been made in terms of Prandtl's simpified physical concept of the turbulent boundary layer. The results of the analysis show that tor conditioins of reasonably small heat and mass transfer, the ratio of the mass- and heat-transfer coefficients is dependent on the Reynolds number of the boundary layer, the Prandtl number of the medium of diffusion, and the Schmidt number of the diffusing fluid in the medium of diffusion. For the particular case of water evaporating into air, the ratio of mass-transfer coefficient to heat-transfer coefficient is found to be slightly greater than unity.
An Introduction To Fluid Mechanics And Heat Transfer
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Author : J. M. Kay
language : en
Publisher: Cambridge University Press
Release Date : 1975-01-09
An Introduction To Fluid Mechanics And Heat Transfer written by J. M. Kay and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975-01-09 with Technology & Engineering categories.
First published in 1975 as the third edition of a 1957 original, this book presents the fundamental ideas of fluid flow, viscosity, heat conduction, diffusion, the energy and momentum principles, and the method of dimensional analysis. These ideas are subsequently developed in terms of their important practical applications, such as flow in pipes and channels, pumps, compressors and heat exchangers. Later chapters deal with the equation of fluid motion, turbulence and the general equations of forced convection. The final section discusses special problems in process engineering, including compressible flow in pipes, solid particles in fluid flow, flow through packed beds, condensation and evaporation. This book will be of value to anyone with an interest the wider applications of fluid mechanics and heat transfer.
Turbulence Phenomena
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Author : J.T. Davies
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Turbulence Phenomena written by J.T. Davies and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Technology & Engineering categories.
Turbulence Phenomena provides an introduction to the eddy transfer of momentum, mass, and heat, specifically at interfaces. The approach of the discussion of the subject matter is based on the eddy mixing length concept of Prandtl. Chapter 1 begins with a discussion on basic concepts regarding liquid flow such as viscosity, turbulent flows, and velocities. As concepts and theories are established, the book then discusses the eddy transfer in fluids, specifically eddy transfer of mass and heat within fluids and eddy transfer near solid surfaces. The concept of eddies in different surfaces is discussed in length all throughout numerous chapters. These different surfaces include clean gas-liquid surfaces, clean liquid-liquid interfaces, and film-covered surfaces. The last few chapters focus on the more detailed discussion on turbulence, such as the concept of spontaneous interfacial turbulence and emulsification and turbulent dispersion and coalescence. The book will be of great use to undergraduate students of chemical engineering, physics, and chemistry.
Introduction To Transport Phenomena
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Author : BODH RAJ
language : en
Publisher: PHI Learning Pvt. Ltd.
Release Date : 2012-01-19
Introduction To Transport Phenomena written by BODH RAJ and has been published by PHI Learning Pvt. Ltd. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-19 with Technology & Engineering categories.
This introductory text discusses the essential concepts of three funda-mental transport processes, namely, momentum transfer, heat transfer, and mass transfer. Apart from chemical engineering, transport processes play an increasingly important role today in the fields of biotechnology, nanotechnology and microelectronics. The book covers the basic laws of momentum, heat and mass transfer. All the three transport processes are explained using two approaches—first by flux expressions and second by shell balances. These concepts are applied to formulate the physical problems of momentum, heat and mass transfer. Simple physical processes from the chemical engineering field are selected to understand the mechanism of these transfer operations. Though these problems are solved for unidirectional flow and laminar flow conditions only, turbulent flow conditions are also discussed. Boundary conditions and Prandtl mixing models for turbulent flow conditions are explained as well. The unsteady-state conditions for momentum, heat and mass transfer have also been highlighted with the help of simple cases. Finally, the approach of anology has also been adopted in the book to understand these three molecular transport processes. Different analogies such as Reynolds, Prandtl, von Kármán and Chilton–Colburn are discussed in detail. This book is designed for the undergraduate students of chemical engineering and covers the syllabi on Transport Phenomena as currently prescribed in most institutes and universities.
Physical And Computational Aspects Of Convective Heat Transfer
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Author : Tuncer Cebeci
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Physical And Computational Aspects Of Convective Heat Transfer written by Tuncer Cebeci and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
From the reviews: "The book has a broad and general coverage of both the mathematics and the numerical methods well suited for graduate students." Applied Mechanics Reviews #1 "This is a very well written book. The topics are developed with separate headings making the matter easily understandable. Computer programs are also included for many problems together with a separate chapter dealing with the application of computer programs to heat transfer problems. This enhances the utility of the book." Zentralblatt für Mathematik #1
Physical And Computational Aspects Of Convective Heat Transfer
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Author : T. Cebeci
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-18
Physical And Computational Aspects Of Convective Heat Transfer written by T. Cebeci and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-18 with Science categories.
This volume is concerned with the transport of thermal energy in flows of practical significance. The temperature distributions which result from convective heat transfer, in contrast to those associated with radiation heat transfer and conduction in solids, are related to velocity characteristics and we have included sufficient information of momentum transfer to make the book self-contained. This is readily achieved because of the close relation ship between the equations which represent conservation of momentum and energy: it is very desirable since convective heat transfer involves flows with large temperature differences, where the equations are coupled through an equation of state, as well as flows with small temperature differences where the energy equation is dependent on the momentum equation but the momentum equation is assumed independent of the energy equation. The equations which represent the conservation of scalar properties, including thermal energy, species concentration and particle number density can be identical in form and solutions obtained in terms of one dependent variable can represent those of another. Thus, although the discussion and arguments of this book are expressed in terms of heat transfer, they are relevant to problems of mass and particle transport. Care is required, however, in making use of these analogies since, for example, identical boundary conditions are not usually achieved in practice and mass transfer can involve more than one dependent variable.
Heat Transfer Augmentation In Turbulent Flows
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Author : Antanas Pedišius
language : en
Publisher:
Release Date : 1995
Heat Transfer Augmentation In Turbulent Flows written by Antanas Pedišius and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Heat categories.
Turbulent flow is the most common form of motion of liquids and gases playing the role of the heat-transfer medium in thermal systems. The complexity of turbulent flow and the importance of hydrodynamics and heat transfer in practice inspired continuing research for methods of efficient heat augmentation by the Lithuanian Energy Institute. The solution of this problem was directly linked with the determination of the reaction of flow in the boundary layer to the effect of various factors and heat transfer rate under given conditions. The investigated factors included elevated degree of turbulence of the external flow as well as strong acceleration and turbulization of flow near the wall by surface roughness. The material in this volume shows that it is possible to control the efficiency of turbulent transfer when the vortical structure of the turbulent flow is known.
Fundamentals Of Momentum Heat And Mass Transfer
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Author : James R. Welty
language : en
Publisher: John Wiley & Sons
Release Date : 1969
Fundamentals Of Momentum Heat And Mass Transfer written by James R. Welty and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Science categories.
Providing a unified treatment of momentum transfer (fluid mechanics), heat transfer and mass transfer. This new edition includes more modern applications of the basic material, and to provide many new homework exercises at the end of each chapter.
Heat Mass And Momentum Transfer
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Author : Warren M. Rohsenow
language : en
Publisher:
Release Date : 1961
Heat Mass And Momentum Transfer written by Warren M. Rohsenow and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Fluid dynamics categories.
Modelling Of Convective Heat And Mass Transfer In Rotating Flows
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Author : Igor V. Shevchuk
language : en
Publisher: Springer
Release Date : 2015-07-24
Modelling Of Convective Heat And Mass Transfer In Rotating Flows written by Igor V. Shevchuk and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-24 with Science categories.
This monograph presents results of the analytical and numerical modeling of convective heat and mass transfer in different rotating flows caused by (i) system rotation, (ii) swirl flows due to swirl generators, and (iii) surface curvature in turns and bends. Volume forces (i.e. centrifugal and Coriolis forces), which influence the flow pattern, emerge in all of these rotating flows. The main part of this work deals with rotating flows caused by system rotation, which includes several rotating-disk configurations and straight pipes rotating about a parallel axis. Swirl flows are studied in some of the configurations mentioned above. Curvilinear flows are investigated in different geometries of two-pass ribbed and smooth channels with 180° bends. The author demonstrates that the complex phenomena of fluid flow and convective heat transfer in rotating flows can be successfully simulated using not only the universal CFD methodology, but in certain cases by means of the integral methods, self-similar and analytical solutions. The book will be a valuable read for research experts and practitioners in the field of heat and mass transfer.