Proceedings Of The Iutam Symposium On Turbulent Structure And Particles Turbulence Interaction

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Proceedings of the IUTAM Symposium on Turbulent Structure and Particles-Turbulence Interaction

Xiaojing Zheng,S. Balachandar
Proceedings of the IUTAM Symposium on Turbulent Structure and Particles Turbulence Interaction Book PDF

Author : Xiaojing Zheng,S. Balachandar
Publisher : Springer Nature
Page : 349 pages
File Size : 50,5 Mb
Release : 2024-01-02
Category : Technology & Engineering
ISBN : 9783031472589

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Proceedings of the IUTAM Symposium on Turbulent Structure and Particles-Turbulence Interaction by Xiaojing Zheng,S. Balachandar Pdf

This book presents the proceedings of the 'IUTAM Symposium on Turbulent Structure and Particles' held in 2023. It provides a comprehensive overview of the latest research and developments in the field of turbulent dispersed multiphase flows. The book features contributions from experts in academia and industry, covering a range of topics including droplet and pollutant dispersion, sand/dust storms, sediment transport in water or air flows, fluidized beds, bubbly flows and more. The content is a valuable reference for researchers, engineers, and students who are interested in understanding the complex behavior of multiphase flows in different natural and industrial environments.

IUTAM Symposium on Geometry and Statistics of Turbulence

T. Kambe,T. Nakano,T. Miyauchi
IUTAM Symposium on Geometry and Statistics of Turbulence Book PDF

Author : T. Kambe,T. Nakano,T. Miyauchi
Publisher : Springer Science & Business Media
Page : 400 pages
File Size : 40,7 Mb
Release : 2013-03-14
Category : Science
ISBN : 9789401596381

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IUTAM Symposium on Geometry and Statistics of Turbulence by T. Kambe,T. Nakano,T. Miyauchi Pdf

This volume contains the papers presented at the IUTAM Symposium on Geometry and Statistics of Turbulence, held in November 1999, at the Shonan International Village Center, Hayama (Kanagawa-ken), Japan. The Symposium was proposed in 1996, aiming at organizing concen trated discussions on current understanding of fluid turbulence with empha sis on the statistics and the underlying geometric structures. The decision of the General Assembly of International Union of Theoretical and Applied Mechanics (IUTAM) to accept the proposal was greeted with enthusiasm. Turbulence is often characterized as having the properties of mixing, inter mittency, non-Gaussian statistics, and so on. Interest is growing recently in how these properties are related to formation and evolution of struc tures. Note that the intermittency is meant for passive scalars as well as for turbulence velocity or rate of dissipation. There were eighty-eight participants in the Symposium. They came from thirteen countries, and fifty-seven papers were presented. The presenta tions comprised a wide variety of fundamental subjects of mathematics, statistical analyses, physical models as well as engineering applications. Among the subjects discussed are (a) Degree of self-similarity in cascade, (b) Fine-scale structures and degree of Markovian property in turbulence, (c) Dynamics of vorticity and rates of strain, (d) Statistics associated with vortex structures, (e) Topology, structures and statistics of passive scalar advection, (f) Partial differential equations governing PDFs of velocity in crements, (g) Thermal turbulences, (h) Channel and pipe flow turbulences, and others.

IUTAM Symposium on Turbulent Mixing and Combustion

Andrew Pollard,Sebastien Candel
IUTAM Symposium on Turbulent Mixing and Combustion Book PDF

Author : Andrew Pollard,Sebastien Candel
Publisher : Springer Science & Business Media
Page : 454 pages
File Size : 44,6 Mb
Release : 2013-03-14
Category : Science
ISBN : 9789401719988

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IUTAM Symposium on Turbulent Mixing and Combustion by Andrew Pollard,Sebastien Candel Pdf

The goals of the Symposium were to draw together researchers in turbulence and combustion so as to highlight advances and challenge the boundaries to our understanding of turbulent mixing and combus tion from both experimental and simulation perspectives; to facilitate cross-fertilization between leaders in these two fields. These goals were noted to be important given that turbulence itself is viewed as the last great problem in classical physics and the addition of chemical reaction amplifies the difficulties enormously. The papers that have been included here reflect the richness of our subject. Turbulence is rich and complex in its own right. And, its inner structure, hidden in the morass of scales, large and small, can dominate transport. Earlier IUTAM Symposia have considered this field, Eddy Structure Identification in Free Turbulent Flows, Bonnet and Glauser (eds) 1992 and Simulation and Identification of Organized Structures in Flows, Sorensen, Hopfinger and Aubry (eds) 1997. The combustion community is well served by its specialized events, most notable is the bi annual International Combustion Symposium, held under the auspices of the Combustion Institute. Mixing is often considered somewhere in between these two. This broad landscape was addressed in this Sym posium in a somewhat temporal linear fashion of increasing complexity. The lectures considered the many challenges posed by adding one ele ment to the base formed by others: turbulence and turbulent mixing in the absence of combustion through to turbulent mixing dominated by chemistry and combustion.

Structure of Turbulence and Drag Reduction

Albert Gyr
Structure of Turbulence and Drag Reduction Book PDF

Author : Albert Gyr
Publisher : Springer Science & Business Media
Page : 617 pages
File Size : 54,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642509711

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Structure of Turbulence and Drag Reduction by Albert Gyr Pdf

In 1976 a similar titled IUTAM Symposium (Structure of Turbulence and Drag Reduction) was held in Washington . However, the progress made during the last thirteen years as weil as the much promising current research desired a second one this year. In Washington drag reduction by additives and by direct manipulation of the walls (compliant walls and heated surfaces) were discussed. In the meantime it became evident that drag reduction also occurs when turbulence is influenced by geometrical means, e.g. by influencing the pressure distribution by the shape of the body (airfoils) or by the introduction of streamwise perturbances on a body (riblets). In the recent years turbulence research has seen increasing attention being focused on the investigation of coherent structures, mainly in Newtonian fluids. We all know that these structures are a significant feature of turbulent flows, playing an important role in the energy balance in such flows. However their place in turbulence theories as weil as the factors influencing their development are still poorly understood. Consequently, the investigation of phenomena in which the properties of coherent structures are alte red provides a promising means of improving our understanding of turbulent flows in general.

IUTAM Symposium on Elementary Vortices and Coherent Structures: Significance in Turbulence Dynamics

Shigeo Kida
IUTAM Symposium on Elementary Vortices and Coherent Structures Significance in Turbulence Dynamics Book PDF

Author : Shigeo Kida
Publisher : Springer Science & Business Media
Page : 376 pages
File Size : 54,6 Mb
Release : 2006-05-05
Category : Technology & Engineering
ISBN : 9781402041815

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IUTAM Symposium on Elementary Vortices and Coherent Structures: Significance in Turbulence Dynamics by Shigeo Kida Pdf

Elementary vortices – those tubular swirling vortical structures with concentrated vorticity commonly observed in various kinds of turbulent flows – play key roles in turbulence dynamics (e.g. enhancement of mixing, diffusion and resistance) and characterize turbulence statistics (e.g. intermittency). Because of their dynamical importance, manipulation of elementary vortices is expected to be effective and useful in turbulence control as well as in construction of turbulence modeling. The most advanced research works on elementary vortices and related problems were presented and discussed at the IUTAM Symposium in Kyoto, Japan, 26-28 October 2004. This book contains 40 contributions presented there, the subjects of which cover vortex dynamics, coherent structures, chaotic advection and mixing, statistical properties of turbulence, rotating and stratified turbulence, instability and transition, dynamics of thin vortices, finite-time singularity, and superfluid turbulence. The book should be useful for readers of graduate and advanced levels in the field of fluid turbulence.

IUTAM Symposium on Variable Density Low-Speed Turbulent Flows

Louis Fulachier,John L. Lumley,Fabien Anselmet
IUTAM Symposium on Variable Density Low Speed Turbulent Flows Book PDF

Author : Louis Fulachier,John L. Lumley,Fabien Anselmet
Publisher : Springer Science & Business Media
Page : 372 pages
File Size : 53,6 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789401154741

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IUTAM Symposium on Variable Density Low-Speed Turbulent Flows by Louis Fulachier,John L. Lumley,Fabien Anselmet Pdf

The General Assembly of the International Union of Theoretical and Applied Mechanics in its meeting on August 28, 1994, selected for 1996 only four Mechanics Symposia, of which ours is the only one related to Fluid Mechanics: Variable Density Low Speed Turbulent Flows. This IUTAM Symposium, organized by the Institut de Recherche sur les Phenomenes Hors Equilibre (Marseille), is the logical continuation of the meetings previously organized or co-organized - on the French or European level, such as Euromech 237, Marseille, 1988 - by the same research group ofMarseille. This meeting focused specifically on the structure of turbulent flows in which density varies strongly : the effect of this variation on the velocity and scalar fields is in no sense negligible. We were mainly concerned with low-speed flows subjected to strong local changes of density as a consequence of heat or mass transfer or of chemical reactions. Compressible turbulent flows - such a!" supersonic ones - were also considered in order to underline their similarities to and their differences from low-speed variable density flows.

IUTAM Symposium on Computational Approaches to Multiphase Flow

S. Balachandar,A. Prosperetti
IUTAM Symposium on Computational Approaches to Multiphase Flow Book PDF

Author : S. Balachandar,A. Prosperetti
Publisher : Springer Science & Business Media
Page : 443 pages
File Size : 41,6 Mb
Release : 2007-01-28
Category : Science
ISBN : 9781402049774

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IUTAM Symposium on Computational Approaches to Multiphase Flow by S. Balachandar,A. Prosperetti Pdf

The book provides a broad overview of the full spectrum of state-of-the-art computational activities in multiphase flow as presented by top practitioners in the field. It starts with well-established approaches and builds up to newer methods. These methods are illustrated with applications to a broad spectrum of problems involving particle dispersion and deposition, turbulence modulation, environmental flows, fluidized beds, bubbly flows, and many others.

IUTAM Symposium on Reynolds Number Scaling in Turbulent Flow

Alexander J. Smits
IUTAM Symposium on Reynolds Number Scaling in Turbulent Flow Book PDF

Author : Alexander J. Smits
Publisher : Springer Science & Business Media
Page : 328 pages
File Size : 44,5 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789400709973

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IUTAM Symposium on Reynolds Number Scaling in Turbulent Flow by Alexander J. Smits Pdf

This volume presents selected papers from the IUTAM Symposium on Reynolds Number Scaling in Turbulent Flow, convened in Princeton, NJ, USA, September I1-13, 2002. The behavior ofturbulence at high Reynolds number is interesting from a fundamental point of view, in that most theories of turbulence make very specific predictions in the limit of infinite Reynolds number. From a more practical point of view, there exist many applications that involve turbulent flow where the Reynolds numbers are extremely large. For example, large vehicles such as submarines and commercial transports operate at Reynolds 9 numbers based on length ofthe order oft0 , and industrial pipe flows cover a 7 very wide range of Reynolds numbers up to 10 • Many very important applications of high Reynolds number flow pertain to atmospheric and other geophysical flows where extremely high Reynolds numbers are the rule rather than the exception, and the understanding of climate changes and the prediction of destructive weather effects hinges to some extent on our appreciation ofhigh-Reynolds number turbulence behavior. The important effects of Reynolds number on turbulence has received a great deal of recent attention. The objective of the Symposium was to bring together many of the world's experts in this area to appraise the new experimental results, discuss new scaling laws and turbulence models, and to enhance our mutual understanding of turbulence.

IUTAM Symposium on Hamiltonian Dynamics, Vortex Structures, Turbulence

Alexey V. Borisov,Valery V. Kozlov,Ivan S. Mamaev,Mikhail A. Sokolovskiy
IUTAM Symposium on Hamiltonian Dynamics Vortex Structures Turbulence Book PDF

Author : Alexey V. Borisov,Valery V. Kozlov,Ivan S. Mamaev,Mikhail A. Sokolovskiy
Publisher : Springer Science & Business Media
Page : 501 pages
File Size : 41,6 Mb
Release : 2007-12-22
Category : Science
ISBN : 9781402067440

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IUTAM Symposium on Hamiltonian Dynamics, Vortex Structures, Turbulence by Alexey V. Borisov,Valery V. Kozlov,Ivan S. Mamaev,Mikhail A. Sokolovskiy Pdf

This work brings together previously unpublished notes contributed by participants of the IUTAM Symposium on Hamiltonian Dynamics, Vortex Structures, Turbulence (Moscow, 25-30 August 2006). The study of vortex motion is of great interest to fluid and gas dynamics: since all real flows are vortical in nature, applications of the vortex theory are extremely diverse, many of them (e.g. aircraft dynamics, atmospheric and ocean phenomena) being especially important.

IUTAM Symposium on Simulation and Identification of Organized Structures in Flows

Jens N. Sørensen,Eckhard Höpfinger,N. Aubry
IUTAM Symposium on Simulation and Identification of Organized Structures in Flows Book PDF

Author : Jens N. Sørensen,Eckhard Höpfinger,N. Aubry
Publisher : Springer Science & Business Media
Page : 544 pages
File Size : 51,8 Mb
Release : 1999
Category : Medical
ISBN : STANFORD:36105022136233

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IUTAM Symposium on Simulation and Identification of Organized Structures in Flows by Jens N. Sørensen,Eckhard Höpfinger,N. Aubry Pdf

The dynamics of transitional and turbulent flows is often dominated by organized structures with a life-time much longer than the characteristic time-scale of the surrounding small-scale turbulence. Organized structures may appear as secondary flows as a result of an instability, but they persist in turbulent flows. They manifest themselves as eddies or localized vortices and play an important role in, for example, mixing and transport processes. Although the existence of organized structures has been revealed by many experiments and by numerical simulations, they are somewhat elusive, as there is no consensus on how to define them and technically how to detect them.

Seventh IUTAM Symposium on Laminar-Turbulent Transition

Philipp Schlatter,Dan S. Henningson
Seventh IUTAM Symposium on Laminar Turbulent Transition Book PDF

Author : Philipp Schlatter,Dan S. Henningson
Publisher : Springer Science & Business Media
Page : 628 pages
File Size : 41,6 Mb
Release : 2010-03-11
Category : Science
ISBN : 9789048137237

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Seventh IUTAM Symposium on Laminar-Turbulent Transition by Philipp Schlatter,Dan S. Henningson Pdf

The origins of turbulent ?ow and the transition from laminar to turbulent ?ow are the most important unsolved problems of ?uid mechanics and aerodynamics. - sides being a fundamental question of ?uid mechanics, there are numerous app- cations relying on information regarding transition location and the details of the subsequent turbulent ?ow. For example, the control of transition to turbulence is - pecially important in (1) skin-friction reduction of energy ef?cient aircraft, (2) the performance of heat exchangers and diffusers, (3) propulsion requirements for - personic aircraft, and (4) separation control. While considerable progress has been made in the science of laminar to turbulent transition over the last 30 years, the c- tinuing increase in computer power as well as new theoretical developments are now revolutionizing the area. It is now starting to be possible to move from simple 1D eigenvalue problems in canonical ?ows to global modes in complex ?ows, all - companied by accurate large-scale direct numerical simulations (DNS). Here, novel experimental techniques such as modern particle image velocimetry (PIV) also have an important role. Theoretically the in?uence of non-normality on the stability and transition is gaining importance, in particular for complex ?ows. At the same time the enigma of transition in the oldest ?ow investigated, Reynolds pipe ?ow tran- tion experiment, is regaining attention. Ideas from dynamical systems together with DNS and experiments are here giving us new insights.

IUTAM Symposium on Computational Physics and New Perspectives in Turbulence

Yukio Kaneda
IUTAM Symposium on Computational Physics and New Perspectives in Turbulence Book PDF

Author : Yukio Kaneda
Publisher : Springer Science & Business Media
Page : 449 pages
File Size : 52,6 Mb
Release : 2007-12-26
Category : Science
ISBN : 9781402064722

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IUTAM Symposium on Computational Physics and New Perspectives in Turbulence by Yukio Kaneda Pdf

This volume contains the proceedings of the IUTAM Symposium on Computational Physics and New Perspectives in Turbulence, held at Nagoya University, Nagoya, Japan, in September 2006. With special emphasis given to fundamental aspects of the physics of turbulence, coverage includes experimental approaches to fundamental problems in turbulence, turbulence modeling and numerical methods, and geophysical and astrophysical turbulence.

IUTAM Symposium on Unsteady Separated Flows and their Control

Marianna Braza,K. Hourigan
IUTAM Symposium on Unsteady Separated Flows and their Control Book PDF

Author : Marianna Braza,K. Hourigan
Publisher : Springer Science & Business Media
Page : 588 pages
File Size : 51,7 Mb
Release : 2009-09-29
Category : Science
ISBN : 9781402098987

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IUTAM Symposium on Unsteady Separated Flows and their Control by Marianna Braza,K. Hourigan Pdf

This Volume is the Proceedings of the IUTAM Symposium on Unsteady Separated Flows and Their Control held in Corfu, Greece, 18–22 June 2007. This was the second IUTAM Symposium on this subject, following the symposium in Toulouse, in April 2002. The Symposium consisted of single plenary sessions with invited lectures, - lected oral presentations, discussions on special topics and posters. The complete set of papers was provided to all participants at the meeting. The thematic sessions of this Symposium are presented in the following: Experimental techniques for the unsteady ow separation Theoretical aspects and analytical approaches of ow separation Instability and transition Compressibility effects related to unsteady separation Statistical and hybrid turbulence modelling for unsteady separated ows Direct and Large-Eddy Simulation of unsteady separated ows Theoretical/industrial aspects of unsteady separated ow control This IUTAM Symposium concerned an important domain of Theoretical and Applied Mechanics nowadays. It focused on the problem of ow separation and of its control. It achieved a uni ed approach regrouping the knowledge provided from theoretical, experimental, numerical simulation and modelling aspects for unsteady separated ows (incompressible and compressible regimes) and included ef cient control devices to achieve attenuation or suppression of separation. The subject - eas covered important themes in the domain of fundamental research as well as in the domain of applications.

IUTAM Symposium on Turbulence in the Atmosphere and Oceans

David Dritschel
IUTAM Symposium on Turbulence in the Atmosphere and Oceans Book PDF

Author : David Dritschel
Publisher : Springer Science & Business Media
Page : 304 pages
File Size : 51,6 Mb
Release : 2010-12-09
Category : Science
ISBN : 9789400703605

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IUTAM Symposium on Turbulence in the Atmosphere and Oceans by David Dritschel Pdf

The text of the Persian poet Rum ̄ ̄ ?, written some eight centuries ago, and reproduced at the beginning of this book is still relevant to many of our pursuits of knowledge, not least of turbulence. The text illustrates the inability people have in seeing the whole thing, the ‘big picture’. Everybody looks into the problem from his/her vi- point, and that leads to disagreement and controversy. If we could see the whole thing, our understanding would become complete and there would be no cont- versy. The turbulent motion of the atmosphere and oceans, at the heart of the observed general circulation, is undoubtedly very complex and dif?cult to understand in its entirety. Even ‘bare’ turbulence, without rotation and strati?cation whose effects are paramount in the atmosphere and oceans, still poses great fundamental ch- lenges for understanding after a century of research. Rotating strati?ed turbulence is a relatively new research topic. It is also far richer, exhibiting a host of distinct wave types interacting in a complicated and often subtle way with long-lived - herent structures such as jets or currents and vortices. All of this is tied together by basic ?uid-dynamical nonlinearity, and this gives rise to a multitude of phen- ena: spontaneous wave emission, wave-induced transport, both direct and inverse energy scale cascades, lateral and vertical anisotropy, fronts and transport barriers, anomalous transport in coherent vortices, and a very wide range of dynamical and thermodynamical instabilities.

IUTAM Laminar-Turbulent Transition

Spencer Sherwin,Peter Schmid,Xuesong Wu
IUTAM Laminar Turbulent Transition Book PDF

Author : Spencer Sherwin,Peter Schmid,Xuesong Wu
Publisher : Springer Nature
Page : 809 pages
File Size : 41,6 Mb
Release : 2021-07-30
Category : Computers
ISBN : 9783030679026

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IUTAM Laminar-Turbulent Transition by Spencer Sherwin,Peter Schmid,Xuesong Wu Pdf

This volume comprises the carefully revised papers of the 9th IUTAM Symposium on Laminar-Turbulent Transition, held at the Imperial College, London, UK, in September 2019. The papers focus on the leading research in understanding transition to turbulence, which is a challenging topic of fluid mechanics and arises in many modern technologies as well as in nature. The proceedings are of interest for researchers in fluid mechanics and industry who have to handle these types of problems, such as in the aeronautical sector.