Iutam Symposium On Reynolds Number Scaling In Turbulent Flow

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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 : 50,9 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 Laminar-Turbulent Transition and Finite Amplitude Solutions

Tom Mullin,R. R. Kerswell
IUTAM Symposium on Laminar Turbulent Transition and Finite Amplitude Solutions Book PDF

Author : Tom Mullin,R. R. Kerswell
Publisher : Springer Science & Business Media
Page : 352 pages
File Size : 42,8 Mb
Release : 2005-09-19
Category : Technology & Engineering
ISBN : 1402040482

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IUTAM Symposium on Laminar-Turbulent Transition and Finite Amplitude Solutions by Tom Mullin,R. R. Kerswell Pdf

An exciting new direction in hydrodynamic stability theory and the transition to turbulence is concerned with the role of disconnected states or finite amplitude solutions in the evolution of disorder in fluid flows. This volume contains refereed papers presented at the IUTAM/LMS sponsored symposium on "Non-Uniqueness of Solutions to the Navier-Stokes equations and their Connection with Laminar-Turbulent Transition" held in Bristol 2004. Theoreticians and experimentalists gathered to discuss developments in understanding both the onset and collapse of disordered motion in shear flows such as those found in pipes and channels. The central objective of the symposium was to discuss the increasing amount of experimental and numerical evidence for finite amplitude solutions to the Navier-Stokes equations and to set the work into a modern theoretical context. The participants included many of the leading authorities in the subject and this volume captures much of the flavour of the resulting stimulating and lively discussions.

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 : 52,5 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 Developments in Geophysical Turbulence

Robert M. Kerr,Yoshifumi Kimura
IUTAM Symposium on Developments in Geophysical Turbulence Book PDF

Author : Robert M. Kerr,Yoshifumi Kimura
Publisher : Springer Science & Business Media
Page : 298 pages
File Size : 41,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401009287

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IUTAM Symposium on Developments in Geophysical Turbulence by Robert M. Kerr,Yoshifumi Kimura Pdf

This symposium continues a long tradition for IUGGjIUTAM symposia going back to "Fundamental Problems in Thrbulence and their Relation to Geophysics" Marseille, 1961. The five topics that were emphasized were: turbulence modeling, statistics of small scales and coherent structures, con vective turbulence, stratified turbulence, and historical developments. The objective was to consider the ubiquitous nature of turbulence in a variety of geophysical problems and related flows. Some history of the contribu tions of NCAR and its alumni were discussed, including those of Jackson R Herring, who has been a central figure at NCAR since 1972. To the original topics we added rotation, which appeared in many places. This includes rotating stratified turbulence, rotating convective turbulence, horizontal rotation that appears in flows over terrain and the role of small scale vorticity in many flows. These complicated flows have recently begun to be simulated by several groups from around the world and this meeting provided them with an excellent forum for exchanging results, plus inter actions with those doing more fundamental work on rotating stratified and convective flows. New work on double diffusive convection was given in two presentations. The history of Large Eddy Simulations was presented and several new approaches to this field were given. This meeting also spawned some interesting interactions between observational side and how to inter pret the observations with modeling and simulations around the theme of particle dispersion in these flows.

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 : 51,9 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 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 : 52,6 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.

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 : 47,7 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.

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 : 55,9 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 Simulation and Identification of Organized Structures in Flows

J.N. Sørensen,E.J. Hopfinger,N. Aubry
IUTAM Symposium on Simulation and Identification of Organized Structures in Flows Book PDF

Author : J.N. Sørensen,E.J. Hopfinger,N. Aubry
Publisher : Springer Science & Business Media
Page : 512 pages
File Size : 53,7 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789401146012

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IUTAM Symposium on Simulation and Identification of Organized Structures in Flows by J.N. Sørensen,E.J. Hopfinger,N. Aubry Pdf

This volume contains reviewed papers from the 1997 IUTAM Symposium, presenting the latest results from leading scientists within the field of detection and simulation of organized flow structures. It describes various aspects of complex, organized flow motion, including topics from decomposition techniques to topological concepts.

IUTAM Symposium on The Physics of Wall-Bounded Turbulent Flows on Rough Walls

T. B. Nickels
IUTAM Symposium on The Physics of Wall Bounded Turbulent Flows on Rough Walls Book PDF

Author : T. B. Nickels
Publisher : Springer Science & Business Media
Page : 183 pages
File Size : 50,8 Mb
Release : 2010-09-08
Category : Technology & Engineering
ISBN : 9789048196319

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IUTAM Symposium on The Physics of Wall-Bounded Turbulent Flows on Rough Walls by T. B. Nickels Pdf

The study of wall-bounded turbulent ows is of considerable interest from both scienti c and practical view points. As such it has attracted a great deal of research over the last 100 years. Much research has concentratedon ows over smooth walls since these are simpler from experimental, numerical and theoretical standpoints. The ow over rough walls has still received considerable attention but progress has necessarilybeenslower.Perhapsthemostessentialproblem(certainlyfromaprac- cal point of view) is to be able to predict the skin-frictiondrag acting on a plate (or a body) given a certain known roughness characteristic of the surface. Unfortunately this has proved to be very dif cult since even the simplest rough surfaces can be characterised by a number of different parameters and we still cannot directly c- nectthese tothe uiddynamicdragin a givensituation.Varioustheoriesandmodels have been proposed in order to make progress but there is still some disagreement in the community as to the correct understanding of these important ows.

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 : 43,5 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.

Turbulence Management and Relaminarisation

H.W. Liepmann,R. Narashima
Turbulence Management and Relaminarisation Book PDF

Author : H.W. Liepmann,R. Narashima
Publisher : Springer Science & Business Media
Page : 530 pages
File Size : 52,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642832819

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Turbulence Management and Relaminarisation by H.W. Liepmann,R. Narashima Pdf

The last two decades have witnessed an intensifying effort in learning how to manage flow turbulence: it has in fact now become one of the most challenging and prized techno logical goals in fluid dynamics. The goal itself is of course not new. More than a hundred years ago, Reynolds already listed factors conducive to laminar and to turbulent flow (including among them curvature and acceleration). Further more, it is in retrospect clear that there were several early instances ot successful turbulence management. Examples are the reduction in drag achieved with a ring-trip placed on the front of a sphere or the insertion of a splitter-plate behind a circular cylinder; by the early 1950s there were numerous exercises at boundary layer control. Although many of these studies were interesting and suggestive, they led . to no spectacularly successful practical application, and the effort petered out in the late 1950s. The revival of interest in these problems in recent years can be attributed to the emergence of several new factors. First of all, fresh scientific insight into the structure of turbulence, in particular the accumulated evidence for the presence of significant order in turbulent flow, has been seen to point to new methods of managing turbulence. A second major reason has been the growing realisation that the rate at which the world is consuming its reserves of fossil fuels is no longer negligible; the economic value of greater energy effi ciency and lower drag has gone up significantly.

IUTAM Symposium on Asymptotic Methods for Turbulent Shear Flows at High Reynolds Numbers

K. Gersten
IUTAM Symposium on Asymptotic Methods for Turbulent Shear Flows at High Reynolds Numbers Book PDF

Author : K. Gersten
Publisher : Springer
Page : 352 pages
File Size : 47,6 Mb
Release : 1996-07-31
Category : Mathematics
ISBN : STANFORD:36105019216550

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IUTAM Symposium on Asymptotic Methods for Turbulent Shear Flows at High Reynolds Numbers by K. Gersten Pdf

This volume contains the contributions presented at the IUTAM Symposium on Asymptotic Methods for Turbulent Shear Flows, which was the first international conference on the subject. The book provides an overview of the state of the art in this field and presents results found worldwide. Asymptotic theory is here considered as the application of perturbation methods (singular perturbation methods, multiscale methods, rapid distortion theory etc.) to solving the Reynolds- averaged flow equations for turbulent shear flows at high Reynolds numbers. These methods play an important role in turbulence modelling, as is demonstrated by many examples, including turbulence models describing flow separation. It becomes evident that asymptotic methods enable the extraction of a fairly comprehensive set of results from the governing equations without incorporating a specific turbulence model a priori. Furthermore, these methods can be used to quickly eliminate unsatisfactory models. The book contains valuable results for turbulence researchers, in particular for those working in turbulence modelling.

Turbulence in Fluids

Marcel Lesieur
Turbulence in Fluids Book PDF

Author : Marcel Lesieur
Publisher : Springer Science & Business Media
Page : 593 pages
File Size : 49,9 Mb
Release : 2008-03-26
Category : Technology & Engineering
ISBN : 9781402064357

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Turbulence in Fluids by Marcel Lesieur Pdf

Now in its fully updated fourth edition, this leading text in its field is an exhaustive monograph on turbulence in fluids in its theoretical and applied aspects. The authors examine a number of advanced developments using mathematical spectral methods, direct-numerical simulations, and large-eddy simulations. The book remains a hugely important contribution to the literature on a topic of great importance for engineering and environmental applications, and presents a very detailed presentation of the field.

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 : 49,5 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.