Numerical Simulations Of A Dilute Polymer Solution In Isotropic Turbulence
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Numerical Simulations Of A Dilute Polymer Solution In Isotropic Turbulence
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Author : Shi Jin
language : en
Publisher:
Release Date : 2007
Numerical Simulations Of A Dilute Polymer Solution In Isotropic Turbulence written by Shi Jin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Numerical Study On The Propagation Of Turbulent Fronts In Dilute Polymer Solutions
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Author : Cocconi, Giacomo
language : en
Publisher: KIT Scientific Publishing
Release Date : 2020-01-14
Numerical Study On The Propagation Of Turbulent Fronts In Dilute Polymer Solutions written by Cocconi, Giacomo 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 2020-01-14 with Science categories.
Simulation Of Dilute Polymer And Polyelectrolyte Solutions
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Author : Christopher Gerold Stoltz
language : en
Publisher:
Release Date : 2006
Simulation Of Dilute Polymer And Polyelectrolyte Solutions written by Christopher Gerold Stoltz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Velocity Measurements In Dilute Polymer Solutions
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Author : Carl Alan Friehe
language : en
Publisher:
Release Date : 1968
Velocity Measurements In Dilute Polymer Solutions written by Carl Alan Friehe and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Drag (Aerodynamics) categories.
Numerical Study On The Propagation Of Turbulent Fronts In Dilute Polymer Solutions
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Author : Giacomo Cocconi
language : en
Publisher:
Release Date : 2017
Numerical Study On The Propagation Of Turbulent Fronts In Dilute Polymer Solutions written by Giacomo Cocconi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Polymer solutions categories.
Homogeneous Turbulence Dynamics
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Author : Pierre Sagaut
language : en
Publisher: Springer
Release Date : 2018-03-23
Homogeneous Turbulence Dynamics written by Pierre Sagaut and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-23 with Science categories.
This book provides state-of-the-art results and theories in homogeneous turbulence, including anisotropy and compressibility effects with extension to quantum turbulence, magneto-hydodynamic turbulence and turbulence in non-newtonian fluids. Each chapter is devoted to a given type of interaction (strain, rotation, shear, etc.), and presents and compares experimental data, numerical results, analysis of the Reynolds stress budget equations and advanced multipoint spectral theories. The role of both linear and non-linear mechanisms is emphasized. The link between the statistical properties and the dynamics of coherent structures is also addressed. Despite its restriction to homogeneous turbulence, the book is of interest to all people working in turbulence, since the basic physical mechanisms which are present in all turbulent flows are explained. The reader will find a unified presentation of the results and a clear presentation of existing controversies. Special attention is given to bridge the results obtained in different research communities. Mathematical tools and advanced physical models are detailed in dedicated chapters.
Numerical Study On The Propagation Of Turbulent Fronts In Dilute Polymer Solutions
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Author :
language : en
Publisher:
Release Date : 2018
Numerical Study On The Propagation Of Turbulent Fronts In Dilute Polymer Solutions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Numerical Investigation On Drag Reduction And Two Dimensional Turbulence In Diluted Polymer Solutions
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Author : Yong-Liang Xiong
language : fr
Publisher:
Release Date : 2010
Numerical Investigation On Drag Reduction And Two Dimensional Turbulence In Diluted Polymer Solutions written by Yong-Liang Xiong and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Les polymères jouent un rôle important sur la réduction de la traînée et la modification de la structure des écoulements. Nous avons utilisé le modèle Oldroyd-B pour étudier l'effet de la viscoélasticité de solutions de polymères dilués sur des écoulements en deux dimensions autour d'obstacles dans un canal. Les obstacles sont pris en compte par la méthode de pénalisation volumique et des condition aux limites artificielles sans réflexion sont imposées à la sortie du canal. La discrétisation est effectuée par des schémas performants en différences finies et la résolution par une méthode multigrille. Les simulations numériques sont effectuées pour une large gamme de nombres de Reynolds et de nombres de Weissenberg. Les caractéristiques détaillées des écoulements viscoélastiques sont analysées et comparées entre elles et celles de l'écoulement du fluide sans polymère. En particulier les jeux de paramètres conduisant à une augmentation ou à une baisse de la traînée. Enfin les effets du polymère sur des écoulements turbulents sont aussi analysés.
Characterisation Of Turbulent Duct Flows
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Author : Bayode Owolabi
language : en
Publisher: Springer
Release Date : 2019-05-31
Characterisation Of Turbulent Duct Flows written by Bayode Owolabi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-31 with Science categories.
This book presents several new findings in the field of turbulent duct flows, which are important for a range of industrial applications. It presents both high-quality experiments and cutting-edge numerical simulations, providing a level of insight and rigour rarely found in PhD theses. The scientific advancements concern the effect of the Earth’s rotation on large duct flows, the experimental confirmation of marginal turbulence in a pressure-driven square duct flow (previously only predicted in simulations), the identification of similar marginal turbulence in wall-driven flows using simulations (for the first time by any means) and, on a separate but related topic, a comprehensive experimental study on the phenomenon of drag reduction via polymer additives in turbulent duct flows. In turn, the work on drag reduction resulted in a correlation that provides a quantitative prediction of drag reduction based on a single, measurable material property of the polymer solution, regardless of the flow geometry or concentration. The first correlation of its kind, it represents an important advancement from both a scientific and practical perspective.
Progress In Turbulence Iii
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Author : Joachim Peinke
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-12-28
Progress In Turbulence Iii written by Joachim Peinke 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 2009-12-28 with Technology & Engineering categories.
This third issue on “progress in turbulence” is based on the third ITI conference (ITI interdisciplinary turbulence initiative), which took place in Bertinoro, North Italy. Researchers from the engineering and physical sciences gathered to present latest results on the rather notorious difficult and essentially unsolved problem of turbulence. This challenge is driving us in doing basic as well as applied research. Clear progress can be seen from these contributions in different aspects. New - phisticated methods achieve more and more insights into the underlying compl- ity of turbulence. The increasing power of computational methods allows studying flows in more details. Increasing demands of high precision large turbulence - periments become aware. In further applications turbulence seem to play a central issue. As such a new field this time the impact of turbulence on the wind energy conversion process has been chosen. Beside all progress our ability to numerically calculate high Reynolds number turbulent flows from Navier-Stokes equations at high precision, say the drag co- ficient of an airfoil below one percent, is rather limited, not to speak of our lack of knowledge to compute this analytically from first principles. This is rather - markable since the fundamental equations of fluid flow, the Navier-Stokes eq- tions, have been known for more than 150 years.