Turbulence Models And Their Application In Hydraulics
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Turbulence Models And Their Application In Hydraulics
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Author : Wolfgang Rodi
language : en
Publisher: Ashgate Publishing
Release Date : 1984
Turbulence Models And Their Application In Hydraulics written by Wolfgang Rodi and has been published by Ashgate Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Science categories.
This book provides an introduction to the subject of turbulence modelling in a form easy to understand for anybody with a basic background in fluid mechanics, and it summarizes the present state of the art. Individual models are described and examined for the merits and demerits which range from the simple Prandtl mixing length theory to complex second order closure schemes.
Turbulence Models And Their Application In Hydraulics
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Author : Wolfgang Rodi
language : en
Publisher: CRC Press
Release Date : 1993-01-01
Turbulence Models And Their Application In Hydraulics written by Wolfgang Rodi and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-01-01 with Technology & Engineering categories.
This book provides an introduction to the subject of turbulence modelling in a form easy to understand for anybody with a basic background in fluid mechanics, and it summarizes the present state of the art. Individual models are described and examined for the merits and demerits which range from the simple Prandtl mixing length theory to complex second order closure schemes.
Turbulence Models And Their Application
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Author : Tuncer Cebeci
language : en
Publisher: Springer
Release Date : 2004
Turbulence Models And Their Application written by Tuncer Cebeci and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Mathematics categories.
Accompanying CD-ROM contains ... [a] computer program employing the Cebeci-Smith model and the [kappa]-[epsilon] model for obtaining the solution of two-dimensional incompressible turbulent flows without separation ... [and a discussion in detail.] -- page 4 of cover.
Turbulence In Fluids
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Author : Marcel Lesieur
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Turbulence In Fluids written by Marcel Lesieur 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 Technology & Engineering categories.
Turbulence is a dangerous topic which is often at the origin of serious fights in the scientific meetings devoted to it since it represents extremely different points of view, all of which have in common their complexity, as well as an inability to solve the problem. It is even difficult to agree on what exactly is the problem to be solved. Extremely schematically, two opposing points of view have been advocated during these last ten years: the first one is "statistical", and tries to model the evolution of averaged quantities of the flow. This com has followed the glorious trail of Taylor and Kolmogorov, munity, which believes in the phenomenology of cascades, and strongly disputes the possibility of any coherence or order associated to turbulence. On the other bank of the river stands the "coherence among chaos" community, which considers turbulence from a purely deterministic po int of view, by studying either the behaviour of dynamical systems, or the stability of flows in various situations. To this community are also associated the experimentalists who seek to identify coherent structures in shear flows.
Turbulent Flows
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Author : Jean Piquet
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Turbulent Flows written by Jean Piquet 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 2013-04-17 with Technology & Engineering categories.
obtained are still severely limited to low Reynolds numbers (about only one decade better than direct numerical simulations), and the interpretation of such calculations for complex, curved geometries is still unclear. It is evident that a lot of work (and a very significant increase in available computing power) is required before such methods can be adopted in daily's engineering practice. I hope to l"Cport on all these topics in a near future. The book is divided into six chapters, each· chapter in subchapters, sections and subsections. The first part is introduced by Chapter 1 which summarizes the equations of fluid mechanies, it is developed in C~apters 2 to 4 devoted to the construction of turbulence models. What has been called "engineering methods" is considered in Chapter 2 where the Reynolds averaged equations al"C established and the closure problem studied (§1-3). A first detailed study of homogeneous turbulent flows follows (§4). It includes a review of available experimental data and their modeling. The eddy viscosity concept is analyzed in §5 with the l"Csulting ~alar-transport equation models such as the famous K-e model. Reynolds stl"Css models (Chapter 4) require a preliminary consideration of two-point turbulence concepts which are developed in Chapter 3 devoted to homogeneous turbulence. We review the two-point moments of velocity fields and their spectral transforms (§ 1), their general dynamics (§2) with the particular case of homogeneous, isotropie turbulence (§3) whel"C the so-called Kolmogorov's assumptions are discussed at length.
Turbulence In Coastal And Civil Engineering
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Author : B Mutlu Sumer
language : en
Publisher: World Scientific
Release Date : 2020-03-23
Turbulence In Coastal And Civil Engineering written by B Mutlu Sumer and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-23 with Technology & Engineering categories.
This book discusses the subject of turbulence encountered in coastal and civil engineering.The primary aim of the book is to describe turbulence processes including transition to turbulence; mean and fluctuating flows in channels/pipes, and in currents; wave boundary layers (including boundary layers under solitary waves); streaming processes in wave boundary layers; turbulence processes in breaking waves including breaking solitary waves; turbulence processes such as bursting process and their implications for sediment transport; flow resistance in steady and wave boundary layers; and turbulent diffusion and dispersion processes in the coastal and river environment, including sediment transport due to diffusion/dispersion.Both phenomenological and statistical theories are described in great detail. Turbulence modelling is also described, and several examples for modelling of turbulence in steady flow and wave boundary layers are presented.The book ends with a chapter containing hands-on exercises on a wide variety of turbulent flows including experimental study of turbulence in an open-channel flow, using Laser Doppler Anemometry; Statistical, correlation and spectral analysis of turbulent air jet flow; Turbulence modelling of wave boundary layer flows; and numerical modelling of dispersion in a turbulent boundary layer, a set of exercises used by the authors in their Masters classes over many years.Although the book is essentially intended for professionals and researchers in the area of Coastal and Civil Engineering, and as a text book for graduate/post graduate students, the contents of the book will, however, additionally provide sufficient background in the study of turbulent flows relevant to many other disciplines, such as Wind Engineering, Mechanical Engineering, and Environmental Engineering.
Statistical Turbulence Modelling For Fluid Dynamics Demystified An Introductory Text For Graduate Engineering Students
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Author : Michael Leschziner
language : en
Publisher: World Scientific
Release Date : 2015-08-20
Statistical Turbulence Modelling For Fluid Dynamics Demystified An Introductory Text For Graduate Engineering Students written by Michael Leschziner and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-20 with Science categories.
This book is intended for self-study or as a companion of lectures delivered to post-graduate students on the subject of the computational prediction of complex turbulent flows. There are several books in the extensive literature on turbulence that deal, in statistical terms, with the phenomenon itself, as well its many manifestations in the context of fluid dynamics. Statistical Turbulence Modelling for Fluid Dynamics — Demystified differs from these and focuses on the physical interpretation of a broad range of mathematical models used to represent the time-averaged effects of turbulence in computational prediction schemes for fluid flow and related transport processes in engineering and the natural environment. It dispenses with complex mathematical manipulations and instead gives physical and phenomenological explanations. This approach allows students to gain a 'feel' for the physical fabric represented by the mathematical structure that describes the effects of turbulence and the models embedded in most of the software currently used in practical fluid-flow predictions, thus counteracting the ill-informed black-box approach to turbulence modelling. This is done by taking readers through the physical arguments underpinning exact concepts, the rationale of approximations of processes that cannot be retained in their exact form, and essential calibration steps to which the resulting models are subjected by reference to theoretically established behaviour of, and experimental data for, key canonical flows.
Turbulence Models And Their Application In Hydraulics
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Author : Wolfgang Rodi
language : en
Publisher:
Release Date : 1980
Turbulence Models And Their Application In Hydraulics written by Wolfgang Rodi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
Turbulence Models And Their Application In Hydraulics
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Author : Wolfgang Rodi
language : en
Publisher:
Release Date : 1984
Turbulence Models And Their Application In Hydraulics written by Wolfgang Rodi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.
Statistical Theory And Modeling For Turbulent Flows
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Author : P. A. Durbin
language : en
Publisher: John Wiley & Sons
Release Date : 2011-06-28
Statistical Theory And Modeling For Turbulent Flows written by P. A. Durbin 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 2011-06-28 with Science categories.
Providing a comprehensive grounding in the subject of turbulence, Statistical Theory and Modeling for Turbulent Flows develops both the physical insight and the mathematical framework needed to understand turbulent flow. Its scope enables the reader to become a knowledgeable user of turbulence models; it develops analytical tools for developers of predictive tools. Thoroughly revised and updated, this second edition includes a new fourth section covering DNS (direct numerical simulation), LES (large eddy simulation), DES (detached eddy simulation) and numerical aspects of eddy resolving simulation. In addition to its role as a guide for students, Statistical Theory and Modeling for Turbulent Flows also is a valuable reference for practicing engineers and scientists in computational and experimental fluid dynamics, who would like to broaden their understanding of fundamental issues in turbulence and how they relate to turbulence model implementation. Provides an excellent foundation to the fundamental theoretical concepts in turbulence. Features new and heavily revised material, including an entire new section on eddy resolving simulation. Includes new material on modeling laminar to turbulent transition. Written for students and practitioners in aeronautical and mechanical engineering, applied mathematics and the physical sciences. Accompanied by a website housing solutions to the problems within the book.