Particle Dispersion In Homogeneous Isotropic Turbulence
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Particle Dispersion In Homogeneous Isotropic Turbulence
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Author : Thomas Burgener
language : en
Publisher:
Release Date : 2012
Particle Dispersion In Homogeneous Isotropic Turbulence written by Thomas Burgener and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Particle Dispersion And Inter Phase Kinetic Energy Transfer In A Turbulent Two Phase Shear Layer
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Author : Kenneth T. Kiger
language : en
Publisher:
Release Date : 1995
Particle Dispersion And Inter Phase Kinetic Energy Transfer In A Turbulent Two Phase Shear Layer written by Kenneth T. Kiger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
The transport of heavy, polydispersed particles and the inter-phase transfer of kinetic energy is measured experimentally in a turbulent shear layer. Specifically, fundamental/subharmonic forcing and conditional-averaging techniques were used to study the particle/turbulence interaction with the large-scale, spanwise, coherent vortices, starting from their initial roll-up through the first pairing event. It is shown that the pairing event plays a homogenizing role on the particulate field, but the amount of homogenization is strongly dependent upon the particle's viscous relaxation time, the eddy turnover time, as well as the time the particles are allowed to interact with each scale prior to a pairing event. Thus, even though the smaller size particles become well-mixed across the structure, the larger sizes are still dispersed in an inhomogeneous fashion. The dispersed/carrier phase coupling was examined through the measurement of conditionally-averaged kinetic energy transfer (which results from the work done to accelerate or decelerate the dispersed phase), as well as the conditionally-averaged particle dissipation (energy dissipated by shear deformation in the carrier phase due to the relative slip between the particles and the carrier fluid).
Particles In Turbulent Flows
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Author : Leonid I. Zaichik
language : en
Publisher: John Wiley & Sons
Release Date : 2008-12-04
Particles In Turbulent Flows written by Leonid I. Zaichik 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 2008-12-04 with Science categories.
The only work available to treat the theory of turbulent flow with suspended particles, this book also includes a section on simulation methods, comparing the model results obtained with the PDF method to those obtained with other techniques, such as DNS, LES and RANS. Written by experienced scientists with background in oil and gas processing, this book is applicable to a wide range of industries -- from the petrol industry and industrial chemistry to food and water processing.
The Interaction Of Particles With Homogeneous Turbulence
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Author : Kyle David Squires
language : en
Publisher:
Release Date : 1990
The Interaction Of Particles With Homogeneous Turbulence written by Kyle David Squires and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
Stochastic Lagrangian Modeling For Large Eddy Simulation Of Dispersed Turbulent Two Phase Flows
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Author : Abdallah Sofiane Berrouk
language : en
Publisher: Bentham Science Publishers
Release Date : 2011
Stochastic Lagrangian Modeling For Large Eddy Simulation Of Dispersed Turbulent Two Phase Flows written by Abdallah Sofiane Berrouk and has been published by Bentham Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Science categories.
Understanding the dispersion and the deposition of inertial particles convected by turbulent flows is a domain of research of considerable industrial interest. Inertial particle transport and dispersion are encountered in a wide range of flow configurations, whether they are of industrial or environmental character. Conventional models for turbulent dispersed flows do not appear capable of meeting the growing needs of chemical, mechanical and petroleum industries in this regard and physical environment testing is prohibitive. Direct Numerical Simulation (DNS) and Large Eddy Simulation (LES) ha.
Dynamics Of Non Spherical Particles In Turbulence
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Author : Luis Blay Esteban
language : en
Publisher: Springer
Release Date : 2019-08-13
Dynamics Of Non Spherical Particles In Turbulence written by Luis Blay Esteban and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-13 with Technology & Engineering categories.
This book studies the dynamics of 2D objects moving through turbulent fluids. It examines the decay of turbulence over extended time scales, and compares the dynamics of non-spherical particles moving through still and turbulent fluids. The book begins with an introduction to the project, its aims, and its relevance for industrial applications. It then discusses the movement of planar particles in quiescent fluid, and presents the numerous methodologies used to measure it. The book also presents a detailed analysis of the falling style of irregular particles, which makes it possible to estimate particle trajectory and wake morphology based on frontal geometry. In turn, the book provides the results of an analysis of physically constrained decaying turbulence in a laboratory setting. These results suggest that large-scale cut-off in numerical simulations can result in severe bias in the computed turbulent kinetic energy for long waiting times. Combining the main text with a wealth of figures and sketches throughout, the book offers an accessible guide for all engineering students with a basic grasp of fluid mechanics, while the key findings will also be of interest to senior researchers.
Direct And Large Eddy Simulation Viii
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Author : Hans Kuerten
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-10-05
Direct And Large Eddy Simulation Viii written by Hans Kuerten 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 2011-10-05 with Computers categories.
This volume continues previous DLES proceedings books, presenting modern developments in turbulent flow research. It is comprehensive in its coverage of numerical and modeling techniques for fluid mechanics. After Surrey in 1994, Grenoble in 1996, Cambridge in 1999, Enschede in 2001, Munich in 2003, Poitiers in 2005, and Trieste in 2009, the 8th workshop, DLES8, was held in Eindhoven, The Netherlands, again under the auspices of ERCOFTAC. Following the spirit of the series, the goal of this workshop is to establish a state-of-the-art of DNS and LES techniques for the computation and modeling of transitional/turbulent flows covering a broad scope of topics such as aerodynamics, acoustics, combustion, multiphase flows, environment, geophysics and bio-medical applications. This gathering of specialists in the field was a unique opportunity for discussions about the more recent advances in the prediction, understanding and control of turbulent flows in academic or industrial situations.
Statistical Treatment Of Turbulent Polydisperse Particle Systems
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Author : J.S. Shrimpton
language : en
Publisher: Springer
Release Date : 2014-06-20
Statistical Treatment Of Turbulent Polydisperse Particle Systems written by J.S. Shrimpton and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-20 with Technology & Engineering categories.
In this book we will introduce the modeling process of turbulent particulate flows which are encountered in many engineering and environmental applications. These types of flows usually also involve heat and mass transfer and turbulence adds another dimension to the complexity of the problem and hence a rigorous mathematical treatment is usually required. This required mathematical background makes the learning curve for new research students and practicing engineers extremely steep. Therefore modeling process for new or existing problems is extremely slow and is usually restricted to minor improvements to the to the available models. In this book we try to gather the required mathematical knowledge and introduce them more intuitively. Many numerical simulations of basic processes and equation will be given to provide the reader with a physical understanding of the different terms in the underlying equations. We will start the modeling process from a mesoscopic level which deals with the system of an intermediate length scale between the size of the atoms or molecules and the bulk of the material. This provides a unique opportunity for the reader to intuitively add different phenomena to their models and equipped with the necessary mathematical tools derive the final models for their problems.
Physics Of Gas Liquid Flows
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Author : Thomas J. Hanratty
language : en
Publisher: Cambridge University Press
Release Date : 2013-10-31
Physics Of Gas Liquid Flows written by Thomas J. Hanratty and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-31 with Science categories.
A unified theory of multiphase flows, providing tools for practical applications.
Multiphase Flow Handbook Second Edition
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Author : Efstathios Michaelides
language : en
Publisher: CRC Press
Release Date : 2016-10-26
Multiphase Flow Handbook Second Edition written by Efstathios Michaelides and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-26 with Science categories.
The Multiphase Flow Handbook, Second Edition is a thoroughly updated and reorganized revision of the late Clayton Crowe’s work, and provides a detailed look at the basic concepts and the wide range of applications in this important area of thermal/fluids engineering. Revised by the new editors, Efstathios E. (Stathis) Michaelides and John D. Schwarzkopf, the new Second Edition begins with two chapters covering fundamental concepts and methods that pertain to all the types and applications of multiphase flow. The remaining chapters cover the applications and engineering systems that are relevant to all the types of multiphase flow and heat transfer. The twenty-one chapters and several sections of the book include the basic science as well as the contemporary engineering and technological applications of multiphase flow in a comprehensive way that is easy to follow and be understood. The editors created a common set of nomenclature that is used throughout the book, allowing readers to easily compare fundamental theory with currently developing concepts and applications. With contributed chapters from sixty-two leading experts around the world, the Multiphase Flow Handbook, Second Edition is an essential reference for all researchers, academics and engineers working with complex thermal and fluid systems.