Experimental And Numerical Investigation Of Non Isothermal Turbulent Flow Over Wavy Wall

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Experimental And Numerical Investigation Of Non Isothermal Turbulent Flow Over Wavy Wall

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Author : Liel Barel
language : en
Publisher:
Release Date : 2017

Experimental And Numerical Investigation Of Non Isothermal Turbulent Flow Over Wavy Wall written by Liel Barel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.

Experimental And Numerical Investigation Of Developing Turbulent Flow Over A Wavy Wall

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Author : Vinicius Martins Segunda
language : en
Publisher:
Release Date : 2017

Experimental And Numerical Investigation Of Developing Turbulent Flow Over A Wavy Wall written by Vinicius Martins Segunda and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.

Turbulent flow over a wavy wall in a horizontal channel is investigated by experimental and numerical methods. The thorough problem understanding can advance turbulent flow physics knowledge for separating and reattaching flows. Another important consideration is the performance evaluation of mathematical models used in computational fluid dynamics (CFD) codes to predict the flow characteristics. This study explores numerical models because they are critically important to the design and performance evaluation of engineering systems. The experimental data are obtained to provide repository data and more insights into the flow physics considering both the flow development and fully periodic regions. A channel with a wavy bottom wall is considered for this study, and its main characteristic is a value of 10 for the ratio between the wave length and wave amplitude. A high-resolution particle image velocimetry (PIV) system is used to obtain detailed measurements of velocity at Reynolds number of 5040, 8400, 10700 and 13040 in both the developing and fully periodic regions. The numerical simulations are performed with a commercial CFD code using four eddy viscosity turbulence models and three Second-Moment Closure (SMC) turbulence models. This work assessed the predictive accuracy of a total of seven turbulence models. The experimental study covered a lack of data for the flow development within the waves, prior the periodic condition region, and it supported the turbulence models evaluation. The experiments provided features of the flow such as the recirculation regions, Reynolds stresses, and turbulent kinetic energy production at different channel locations. A comprehensive comparison between models and experimental data revealed a significant dependency on the turbulence model formulation and on the wall treatment selection for the flow development and fully periodic regions predictions.

Experimental And Numerical Investigations Of Two Phase Flow With Non Isothermal Boundary Conditions Under Microgravity Conditions

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Author : Sebastian Schmitt
language : en
Publisher:
Release Date : 2017-04

Experimental And Numerical Investigations Of Two Phase Flow With Non Isothermal Boundary Conditions Under Microgravity Conditions written by Sebastian Schmitt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-04 with categories.

An Experimental And Numerical Investigation Of Three Dimensional Turbulent Flow With Decaying Swirl

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Author : M. R. Casey
language : en
Publisher:
Release Date : 1988

An Experimental And Numerical Investigation Of Three Dimensional Turbulent Flow With Decaying Swirl written by M. R. Casey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Finite element method categories.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1994

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Aeronautics categories.

Applied Mechanics Reviews

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Author :
language : en
Publisher:
Release Date : 1948

Applied Mechanics Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Mechanics, Applied categories.

Nbs Special Publication

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Author :
language : en
Publisher:
Release Date : 1973

Nbs Special Publication written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Weights and measures categories.

International Aerospace Abstracts

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Author :
language : en
Publisher:
Release Date : 1997

International Aerospace Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Aeronautics categories.

Physics Briefs

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Author :
language : en
Publisher:
Release Date : 1990

Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Physics categories.

Aeronautical Engineering

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Author :
language : en
Publisher:
Release Date : 1993

Aeronautical Engineering written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Aeronautics categories.

A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)