Iutam Symposium On Variable Density Low Speed Turbulent Flows

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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 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 : 43,9 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.

Turbulent Flow Computation

D. Drikakis,Bernard Geurts
Turbulent Flow Computation Book PDF

Author : D. Drikakis,Bernard Geurts
Publisher : Springer Science & Business Media
Page : 390 pages
File Size : 49,7 Mb
Release : 2002-03-31
Category : Science
ISBN : 9781402005237

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Turbulent Flow Computation by D. Drikakis,Bernard Geurts Pdf

In various branches of fluid mechanics, our understanding is inhibited by the presence of turbulence. Although many experimental and theoretical studies have significantly helped to increase our physical understanding, a comp- hensive and predictive theory of turbulent flows has not yet been established. Therefore, the prediction of turbulent flow relies heavily on simulation stra- gies. The development of reliable methods for turbulent flow computation will have a significant impact on a variety of technological advancements. These range from aircraft and car design, to turbomachinery, combustors, and process engineering. Moreover, simulation approaches are important in materials - sign, prediction of biologically relevant flows, and also significantly contribute to the understanding of environmental processes including weather and climate forecasting. The material that is compiled in this book presents a coherent account of contemporary computational approaches for turbulent flows. It aims to p- vide the reader with information about the current state of the art as well as to stimulate directions for future research and development. The book puts part- ular emphasis on computational methods for incompressible and compressible turbulent flows as well as on methods for analysing and quantifying nume- cal errors in turbulent flow computations. In addition, it presents turbulence modelling approaches in the context of large eddy simulation, and unfolds the challenges in the field of simulations for multiphase flows and computational fluid dynamics (CFD) of engineering flows in complex geometries. Apart from reviewing main research developments, new material is also included in many of the chapters.

IUTAM Symposium on Free Surface Flows

A.C. King,Y.D. Shikhmurzaev
IUTAM Symposium on Free Surface Flows Book PDF

Author : A.C. King,Y.D. Shikhmurzaev
Publisher : Springer Science & Business Media
Page : 371 pages
File Size : 48,8 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789401007962

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IUTAM Symposium on Free Surface Flows by A.C. King,Y.D. Shikhmurzaev Pdf

Free surface flows arise in the natural world, physical and biological sciences and in some areas of modern technology and engineering. Exam ples include the breaking of sea waves on a harbour wall, the transport of sloshing fluids in partly filled containers, and the design of micronozzles for high speed ink-jet printing. Apart from the intrinsic mathematical challenge in describing and solving the governing equations, there are usually important environmental, safety and engineering features which need to be analysed and controlled. A rich variety of techniques has been developed over the past two decades to facilitate this analysis; singular perturbations, dynamical systems, and the development of sophisticated numerical codes. The extreme and sometimes violent nature of some free surface flows taxes these methods to the limit. The work presented at the symposium addressed these limits and can be loosely classified into four areas: (i) Axisymmetric free surface flows. There are a variety of problems in the printing, glass, fertiliser and fine chemical industries in which threads of fluid are made and controlled. Presentations were made in the areas of pinch-off for inviscid and viscous threads of fluid, recoil effects after droplet formation and the control of instability by forced vibration. (ii) Dynamic wetting. The motion of three phase contact lines, which are formed at the junction between two fluids and a solid, plays an important role in fluid mechanics.

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 : 44,7 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 Nonlinear Waves in Multi-Phase Flow

Hsueh-Chia Chang
IUTAM Symposium on Nonlinear Waves in Multi Phase Flow Book PDF

Author : Hsueh-Chia Chang
Publisher : Springer Science & Business Media
Page : 294 pages
File Size : 47,6 Mb
Release : 2000-07-31
Category : Technology & Engineering
ISBN : 0792364546

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IUTAM Symposium on Nonlinear Waves in Multi-Phase Flow by Hsueh-Chia Chang Pdf

The active field of multi-phase flow has undergone fundamental changes in the last decade. Many salient complex interfacial dynamics of such flows are now understood at a basic level with precise mathematical and quantitative characterization. This is quite a departure from the traditional empirical approach. At an IUTAM Symposium at Notre Dame, in 1999, some of the leading researchers in the field gathered to review the progress thus far and to contemplate future directions. Their reports are summarized in this Proceedings. Topics covered include solitary wave dynamics on viscous film flows, sheet formation and drop entrainment in stratified flow, wetting and dewetting dynamics, self-similar drop formation dynamics, waves in bubbly and suspension flow, and bubble dynamics. It is a unique and essential reference for applied mathematicians, physicists, research engineers, and graduate students to keep abreast of the latest theoretical and numerical developments that promise to transform multi-phase flow research.

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 : 42,6 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 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 : 335 pages
File Size : 41,9 Mb
Release : 2005-12-28
Category : Technology & Engineering
ISBN : 9781402040498

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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 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 : 47,8 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.

Variable Density Fluid Turbulence

P. Chassaing,R.A. Antonia,Fabien Anselmet,L. Joly,S. Sarkar
Variable Density Fluid Turbulence Book PDF

Author : P. Chassaing,R.A. Antonia,Fabien Anselmet,L. Joly,S. Sarkar
Publisher : Springer Science & Business Media
Page : 387 pages
File Size : 43,9 Mb
Release : 2013-06-29
Category : Science
ISBN : 9789401700757

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Variable Density Fluid Turbulence by P. Chassaing,R.A. Antonia,Fabien Anselmet,L. Joly,S. Sarkar Pdf

The first part aims at providing the physical and theoretical framework of the analysis of density variations in fully turbulent flows. Its scope is deliberately educational. In the second part, basic data on dynamical and scalar properties of variable density turbulent flows are presented and discussed, based on experimental data and/or results from direct numerical simulations. This part is rather concerned with a research audience. The last part is more directly devoted to an engineering audience and deals with prediction methods for turbulent flows of variable density fluid. Both first and second order, single point modeling are discussed, with special emphasis on the capability to include specific variable density / compressibility effects.

Sixth IUTAM Symposium on Laminar-Turbulent Transition

Rama Govindarajan
Sixth IUTAM Symposium on Laminar Turbulent Transition Book PDF

Author : Rama Govindarajan
Publisher : Springer Science & Business Media
Page : 458 pages
File Size : 46,5 Mb
Release : 2006-01-18
Category : Technology & Engineering
ISBN : 9781402041594

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Sixth IUTAM Symposium on Laminar-Turbulent Transition by Rama Govindarajan Pdf

The dynamics of transition from laminar to turbulent flow remains to this day a major challenge in theoretical and applied mechanics. A series of IUTAM symposia held over the last twenty five years at well-known Centres of research in the subject - Novosibirsk, Stuttgart, Toulouse, Sendai and Sedona (Arizona) - has proved to be a great catalyst which has given a boost to research and our understanding of the field. At this point of time, the field is changing significantly with several emerging directions. The sixth IUTAM meeting in the series, which was held at the Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, India, focused on the progress after the fifth meeting held at Sedona in 1999. The s- posium, which adhered to the IUTAM format of a single session, included seven invited lectures, fifty oral presentations and eight posters. During the course of the symposium, the following became evident. The area of laminar-turbulent transition has progressed considerably since 1999. Better theoretical tools, for handling nonlinearities as well as transient behaviour are now available. This is accompanied by an en- mous increase in the level of sophistication of both experiments and direct numerical simulations. The result has been that our understanding of the early stages of the transition process is now on much firmer footing and we are now able to study many aspects of the later stages of the transition process.

IUTAM Symposium on Nonlinearity and Stochastic Structural Dynamics

S Narayanan,R.N. IYENGAR
IUTAM Symposium on Nonlinearity and Stochastic Structural Dynamics Book PDF

Author : S Narayanan,R.N. IYENGAR
Publisher : Springer Science & Business Media
Page : 360 pages
File Size : 50,6 Mb
Release : 2001-01-31
Category : Mathematics
ISBN : 0792367332

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IUTAM Symposium on Nonlinearity and Stochastic Structural Dynamics by S Narayanan,R.N. IYENGAR Pdf

Nonlinearity and stochastic structural dynamics is of common interest to engineers and applied scientists belonging to many disciplines. Recent research in this area has been concentrated on the response and stability of nonlinear mechanical and structural systems subjected to random escitation. Simultaneously the focus of research has also been directed towards understanding intrinsic nonlinear phenomena like bifurcation and chaos in deterministic systems. These problems demand a high degree of sophistication in the analytical and numerical approaches. At the same time they arise from considerations of nonlinear system response to turbulence, earthquacke, wind, wave and guidancy excitations. The topic thus attracts votaries of both analytical rigour and practical applications. This books gives important and latest developments in the field presenting in a coherent fashion the research findings of leading international groups working in the area of nonlinear random vibration and chaos.

IUTAM Symposium on Advances in Mathematical Modelling of Atmosphere and Ocean Dynamics

P.F. Hodnett
IUTAM Symposium on Advances in Mathematical Modelling of Atmosphere and Ocean Dynamics Book PDF

Author : P.F. Hodnett
Publisher : Springer Science & Business Media
Page : 311 pages
File Size : 51,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401007924

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IUTAM Symposium on Advances in Mathematical Modelling of Atmosphere and Ocean Dynamics by P.F. Hodnett Pdf

The goals ofthe Symposium were to highlight advances in modelling ofatmosphere and ocean dynamics, to provide a forum where atmosphere and ocean scientists could present their latest research results and learn ofprogress and promising ideas in these allied disciplines; to facilitate interaction between theory and applications in atmosphere/ocean dynamics. These goals were seen to be especially important in view ofcurrent efforts to model climate requiring models which include interaction between atmosphere, ocean and land influences. Participants were delighted with the diversity ofthe scientific programme; the opportunity to meet fellow scientists from the other discipline (either atmosphere or ocean) with whom they do not normally interact through their own discipline; the opportunity to meet scientists from many countries other than their own; the opportunity to hear significant presentations (50 minutes) from the keynote speakers on a range ofrelevant topics. Certainly the goal ofcreating a forum for exchange between atmosphere and ocean scientists who need to input to create realistic models for climate prediction was achieved by the Symposium and this goal will hopefully be further advanced by the publication ofthese Proceedings.

IUTAM Symposium on Analytical and Computational Fracture Mechanics of Non-Homogeneous Materials

Bhushan L. Karihaloo
IUTAM Symposium on Analytical and Computational Fracture Mechanics of Non Homogeneous Materials Book PDF

Author : Bhushan L. Karihaloo
Publisher : Springer Science & Business Media
Page : 536 pages
File Size : 49,7 Mb
Release : 2002-04-30
Category : Technology & Engineering
ISBN : 1402005105

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IUTAM Symposium on Analytical and Computational Fracture Mechanics of Non-Homogeneous Materials by Bhushan L. Karihaloo Pdf

This volume constitutes the Proceedings of the IUTAM Symposium on "Analytical and Computational Fracture Mechanics of Non-homogeneous Materials", held in Cardiff from 18th to 22nd June 2001. The Symposium was convened to address and place on record topical issues in analytical and computational aspects of the fracture of non-homogeneous materials as they are approached by specialists in mechanics, materials science and related fields. The expertise represented in the Symposium was accordingly very wide, and many of the world's greatest authorities in their respective fields participated. Given the extensive range and scale of non-homogeneous materials, it had to be focussed to enhance the quality and impact of the Symposium. The range of non-homogeneous materials was limited to those that are inhomogeneous at the macroscopic level and/or exhibit strain softening. The issues of micro to macro scaling were not excluded even within this restricted range which covered materials such as rock, concrete, ceramics and composites on the one hand, and, on the other, those metallic materials whose ductile fracture is strongly influenced by the presence of inhomogeneities. The Symposium remained focussed on fundamental research issues of practical significance. These issues have many common features among seemingly disparate non-homogeneous materials.