Reynolds Stress Modeling Of Turbulent Open Channel Flows
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Reynolds Stress Modeling Of Turbulent Open Channel Flows
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Author : Sung-Uk Choi
language : en
Publisher:
Release Date : 2009
Reynolds Stress Modeling Of Turbulent Open Channel Flows written by Sung-Uk Choi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Mathematics categories.
This book presents numerical simulations of three-dimensional turbulent open-channel flows. In the simulations, Reynolds-averaged Navier-Stokes equations are solved with the Reynolds stress model for turbulence closure. The overall solution strategy is the SIMPLER algorithm, and the power-law scheme is used to discretise the convection and diffusion terms in the governing equations. The Reynolds stress model is applied to rectangular open-channel flows, partly-vegetated open-channel flows, and compound open-channel flows. The simulated mean flow and turbulence structures including streamwise mean velocity, secondary currents, turbulence intensity, and Reynolds stress, are provided and compared with measure data in the literature. As shown in this book, these comparisons reveal that the proposed Reynolds stress model successfully predicts the mean flow and turbulence statistics of turbulent open-channel flows.
Turbulence In Open Channel Flows
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Author : Hiroji Nakagawa
language : en
Publisher: Routledge
Release Date : 2017-10-02
Turbulence In Open Channel Flows written by Hiroji Nakagawa and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-02 with Technology & Engineering categories.
A review of open channel turbulence, focusing especially on certain features stemming from the presence of the free surface and the bed of a river. Part one presents the statistical theory of turbulence; Part two addresses the coherent structures in open-channel flows and boundary layers.
Advances In Fluid Modeling Turbulence Measurements
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Author : Akira Wada
language : en
Publisher: World Scientific
Release Date : 2002
Advances In Fluid Modeling Turbulence Measurements written by Akira Wada and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Science categories.
This book is an essential reference for engineers and scientists working in the field of turbulence. It covers a variety of applications, such as: turbulence measurements; mathematical and numerical modeling of turbulence; thermal hydraulics; applications for civil, mechanical and nuclear engineering; environmental fluid mechanics; river and open channel flows; coastal problems; ground water.
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.
Advances In Fluid Modeling And Turbulence Measurements
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Author :
language : en
Publisher:
Release Date :
Advances In Fluid Modeling And Turbulence Measurements written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Open Channel Flow Through Simulated Vegetation
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Author : Fabian Lopez
language : en
Publisher:
Release Date : 1997
Open Channel Flow Through Simulated Vegetation written by Fabian Lopez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Channels (Hydraulic engineering) categories.
Turbulent Open Channel Flow Sediment Erosion And Sediment Transport
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Author : Clemens Chan-Braun
language : en
Publisher: KIT Scientific Publishing
Release Date : 2014-07-30
Turbulent Open Channel Flow Sediment Erosion And Sediment Transport written by Clemens Chan-Braun and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-30 with Technology & Engineering categories.
This thesis aims to contribute to a better understanding of turbulent open channel flow, sediment erosion and sediment transport. The thesis provides an analysis of high-fidelity data from direct numerical simulation of (i) open channel flow over an array of fixed spheres, (ii) open channel flow with mobile eroding spheres, (iii) open channel flow with sediment transport of many mobile spheres. An immersed boundary method is used to resolve the finite-size particles.
Fundamentals Of Turbulence Modelling
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Author : Ching Jen Chen
language : en
Publisher: CRC Press
Release Date : 1997-12-01
Fundamentals Of Turbulence Modelling written by Ching Jen Chen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-12-01 with Technology & Engineering categories.
Focuses on the second-order turbulence-closure model and its applications to engineering problems. Topics include turbulent motion and the averaging process, near-wall turbulence, applications of turbulence models, and turbulent buoyant flows.
Water Resources Research Progress
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Author : Liam N. Robinson
language : en
Publisher: Nova Publishers
Release Date : 2008
Water Resources Research Progress written by Liam N. Robinson and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Nature categories.
Water resources are sources of water that are useful or potentially useful to humans. They are important because they are needed for life to exist. Many uses of water include agricultural, industrial, household, recreational and environmental activities. Virtually all of these human uses require fresh water. Only 2.7% of water on the Earth is fresh water, and over two thirds of this is frozen in glaciers and polar ice caps, leaving only 0.007% available for human use. Fresh water is a renewable resource, yet the world's supply of clean, fresh water is steadily decreasing. Water demand already exceeds supply in many parts of the world, and as world population continues to rise at an unprecedented rate, many more areas are expected to experience this imbalance in the near future. The framework for allocating water resources to water users (where such a framework exists) is known as water rights. This new book presents recent and important research in the field.
Turbulent Flows
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Author : G. Biswas
language : en
Publisher: CRC Press
Release Date : 2002
Turbulent Flows written by G. Biswas and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Technology & Engineering categories.
This book allows readers to tackle the challenges of turbulent flow problems with confidence. It covers the fundamentals of turbulence, various modeling approaches, and experimental studies. The fundamentals section includes isotropic turbulence and anistropic turbulence, turbulent flow dynamics, free shear layers, turbulent boundary layers and plumes. The modeling section focuses on topics such as eddy viscosity models, standard K-E Models, Direct Numerical Stimulation, Large Eddy Simulation, and their applications. The measurement of turbulent fluctuations experiments in isothermal and stratified turbulent flows are explored in the experimental methods section. Special topics include modeling of near wall turbulent flows, compressible turbulent flows, and more.