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Author : Kemal Hanjalić,J. F. C. Pereira
Publisher : Begell House Publishers
Page : 580 pages
File Size : 48,9 Mb
Release : 1995-01-01
Category : Technology & Engineering
ISBN : 1567000401
Over 90 papers presented, from turbulence structure to computation of complex flows, and heat and mass transfer.
Author : Kemal Hanjalić,Y. Nagano,M. J. Tummers
Publisher : Unknown
Page : 1208 pages
File Size : 44,8 Mb
Release : 2003
Category : Heat
ISBN : 1567001963
Author : J.T. Davies
Publisher : Elsevier
Page : 425 pages
File Size : 41,9 Mb
Release : 2012-12-02
Category : Technology & Engineering
ISBN : 9780323150934
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.
Author : Symposium on Heat and Mass Transfer and the Structure of Turbulence
Publisher : Unknown
Page : 585 pages
File Size : 51,5 Mb
Release : 1982
Category : Heat
ISBN : 0070727317
Author : Robert G. Deissler
Publisher : Unknown
Page : 62 pages
File Size : 41,5 Mb
Release : 1954
Category : Aerodynamic heating
ISBN : UOM:39015086496224
The expression for eddy diffusivity from a previous analysis was modified in order to account for the effect of kinematic viscosity in reducing the turbulence in the region close to a wall. By using the modified expression, good agreement was obtained between predicted and experimental results for heat and mass transfer at Prandtl and Schmidt numbers between 0.5 and 3000. The effects of length-to-diameter ratio and of variable viscosity were investigated for a wide range of Prandtl numbers.
Author : Roland Borghi,Fabien Anselmet
Publisher : John Wiley & Sons
Page : 462 pages
File Size : 43,6 Mb
Release : 2013-12-11
Category : Science
ISBN : 9781118790199
Numerous industrial systems or natural environments involve multiphase flows with heat and mass transfer. The authors of this book present the physical modeling of these flows, in a unified way, which can include various physical aspects and several levels of complexity. Thermal engineering and nuclear reactors; the extraction and transport of petroleum products; diesel and rocket engines; chemical engineering reactors and fluidized beds; smoke or aerosol dispersion; landslides and avalanches − the modeling of multiphase flows with heat and mass transfer for all these situations can be developed following a common methodology. This book is devoted to the description of the mathematical bases of how to incorporate adequate physical ingredients in agreement with known experimental facts and how to make the model evolve according to the required complexity. Contents Part 1. Approach and General Equations 1. Towards a Unified Description of Multiphase Flows. 2. Instant Equations for a Piecewise Continuous Medium. 3. Description of a “Mean Multiphase Medium”. 4. Equations for the Mean Continuous Medium. Part 2. Modeling: A Single Approach Adaptable to Multiple Applications 5. The Modeling of Interphase Exchanges. 6. Modeling Turbulent Dispersion Fluxes. 7. Modeling the Mean Gas–Liquid Interface Area per Unit Volume. 8. “Large Eddy Simulation” Style Models. 9. Contribution of Thermodynamics of Irreversible Processes. 10. Experimental Methods. 11. Some Experimental Results Pertaining to Multiphase Flow Properties that Are Still Little Understood. Part 3. From Fluidized Beds to Granular Media 12. Fluidized Beds. 13. Generalizations for Granular Media. 14. Modeling of Cauchy Tensor of Sliding Contacts. 15. Modeling the Kinetic Cauchy Stress Tensor. Part 4. Studying Fluctuations and Probability Densities 16. Fluctuations of the Gas Phase in Reactive Two-Phase Media. 17. Temperature Fluctuations in Condensed Phases. 18. Study of the PDF for Velocity Fluctuations and Sizes of Parcels. About the Authors Roland Borghi is Professor Emeritus at Ecole Centrale Marseille in France and works as a consultant in the space, petrol and automobile sectors. His research activities cover fluid mechanics, combustion and flames, and multi-phase and granular flows. He was a member of the CNRS scientific committee and a laureate of the French Academy of Science. Fabien Anselmet is Professor at Ecole Centrale Marseille in France. His research activities focus on the turbulence of fluids and its varied applications in industry and in fields linked to the environment. With a unified, didactic style, this text presents tangible models of multiphase flows with heat and mass transfer with attention to various levels of complexities. It addresses thermal engineering and nuclear reactors, extraction and transport of petroleum products, diesel engines and rocket engines, chemical engineering reactors and fluidized beds, smoke or aerosol dispersion, and landslides and avalanches. Engineers, researchers, and scientists will appreciate the discussions of modeling principles, flows and granular media, and fluctuations around averages.
Author : Edmund E. Callaghan
Publisher : Unknown
Page : 724 pages
File Size : 48,9 Mb
Release : 1953
Category : Heat
ISBN : STANFORD:36105024831658
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.
Author : Samson Semenovich Kutateladze,A. I. Leontʹev
Publisher : Unknown
Page : 296 pages
File Size : 50,5 Mb
Release : 1974
Category : Mass transfer
ISBN : UIUC:30112106657106
Author : Nagano, Y.,Hanjalic ́, K.,Tsuji, T.
Publisher : Unknown
Page : 1016 pages
File Size : 40,7 Mb
Release : 2000-03
Category : Heat
ISBN : 4872566505
Author : United States. National Advisory Committee for Aeronautics
Publisher : Unknown
Page : 1404 pages
File Size : 53,9 Mb
Release : 1955
Category : Aeronautics
ISBN : UIUC:30112008552314
Author : L.J.S. Bradbury,F. Durst,B.E. Launder,F.W. Schmidt,J.H. Whitelaw
Publisher : Springer Science & Business Media
Page : 400 pages
File Size : 43,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642699962
The Fourth International Symposium on Turbulent Shear Flows took place at Karlsruhe University in Germany. The papers presented at this Symposium encompassed a similar range to that of the previous meetings, with greater emphasis placed on experimental work, and continued a trend towards the examination of complex flows. Once again, three dimensional, recirculating and reacting flows featured strongly in the programme and were complemented by consideration of two-phase flows and discussions of both numerical and experimental techniques. The Symposium brought together some 300 participants from all over the world, and it was evident that there is a need for Turbulent Shear Flows Symposia, in order to obtain and communicate new information useful to researchers in the field of turbulent flows and of interest to engineers who design flow equipment. This volume contains 27 papers selected from more than 100 presentations at the Symposium which have been reviewed and edited before publication. Together they provide an indication of the status of current knowledge on the subjects represented at the Sympo sium. They are grouped into four sections, namely: • Fundamentals • Free Flows • Boundary Layers • Reacting Flows As in previous volumes in this series, each section begins with an introductory article con sidering the papers which follow in the broader context of available literature and current research.
Author : Robert Greenkorn
Publisher : CRC Press
Page : 1048 pages
File Size : 55,9 Mb
Release : 2018-10-03
Category : Science
ISBN : 9781482292978
"Presents the fundamentals of momentum, heat, and mass transfer from both a microscopic and a macroscopic perspective. Features a large number of idealized and real-world examples that we worked out in detail."
Author : James P. Harnett
Publisher : Unknown
Page : 424 pages
File Size : 40,5 Mb
Release : 1961
Category : Fluid dynamics
ISBN : UOM:39015002004912
Author : Anonim
Publisher : Unknown
Page : 742 pages
File Size : 50,5 Mb
Release : 1967
Category : Mechanics, Applied
ISBN : UCAL:C2682426
Author : S. Mostafa Ghiaasiaan
Publisher : CRC Press
Page : 631 pages
File Size : 47,9 Mb
Release : 2018-06-12
Category : Science
ISBN : 9781351112734
Convective Heat and Mass Transfer, Second Edition, is ideal for the graduate level study of convection heat and mass transfer, with coverage of well-established theory and practice as well as trending topics, such as nanoscale heat transfer and CFD. It is appropriate for both Mechanical and Chemical Engineering courses/modules.