Turbulence and structures

chaos, fluctuations, and helical self-organization in nature and the laboratory
  • 270 Pages
  • 0.92 MB
  • 1334 Downloads
  • English

Academic , San Diego
Turbul
StatementHerman Branover... [et al.].
ContributionsBranover, Herman, 1931-
Classifications
LC ClassificationsQA913 .B87 1999
The Physical Object
Paginationxv, 270 p. :
ID Numbers
Open LibraryOL22051177M
ISBN 100121257401

Turbulent flows are complex multi-scale and chaotic motions that need to be classified into more elementary components, referred to coherent turbulent a structure must have temporal coherence, i.e. it must persist in its form for long enough periods that the methods of time-averaged statistics can be applied.

Describing the methods revealing the structures and dynamics of turbulence, this book describes mathematical methods that reduce the governing equations to simpler forms.

This second edition now covers the balanced proper orthogonal decomposition and is ideal for engineering, physical science and Turbulence and structures book researchers working in fluid by: Dissipative Structure and Weak Turbulence provides an understanding of the emergence and evolution of structures in macroscopic systems.

This book discusses the emergence of dissipative structures. Organized into 10 chapters, this book begins with an overview of the stability of a fluid layer with potentially unstable density stratification in.

This book introduces these developments and describes how they may be combined to create low-dimensional models of turbulence, resolving only the coherent structures.

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This book will interest engineers, especially in the aerospace, chemical, civil, environmental and geophysical areas, as well as physicists and applied mathematicians concerned Author: Philip Holmes, John L.

Lumley, Gahl Berkooz, Clarence W. Rowley. Turbulence has fascinated mankind and frustrated scientists for over years. This book offers a new approach to the modelling and analysis of turbulent flows dominated by coherent structures, the concentrated and recurrent patterns of vorticity seen in aircraft contrails, eddies behind bridge piers, and the wakes of moving cars and : Hardcover.

The research program detailed Turbulence and structures book the authors is a very promising approach to the problem of the coherent structures of turbulence.

Active turbulence researchers, especially researchers who are mainly focused in the engineering applications of turbulence, will Author: Philip Holmes, John L.

Lumley, Gahl Berkooz, Clarence W. Rowley. In the last 25 years, one of the most striking advances in Fluid Mecha­ nics was certainly the discovery of coherent structures in turbulence: lab­ oratory experiments and numerical simulations have shown that most turbulent flows exhibit both spatially-organized large-scale structures and.

The book covers the different physical aspects of wall turbulence, beginning with classical phenomenological aspects before advancing to recent research in the effects of the Reynolds numbers, near wall coherent structures, and wall turbulent transport process.

The book ponders on coherent structures in turbulence; interactions between large-scale coherent structures and fine-grained turbulence in free shear flows; and vortex interactions and coherent structures in turbulence. Topics include atomic and molecular representations, vortices in uniform strain, vortex pairs, numerical computations applied.

In the last 25 years, one of the most striking advances in Fluid Mecha­ nics was certainly the discovery of coherent structures in turbulence: lab­ oratory experiments and numerical simulations have shown that most turbulent flows exhibit both spatially-organized large-scale structures and disorganized motions, generally at smaller scales.

Furthermore, the presented theories of turbulence reveal critical and cooperative phenomena in analogy with phase transitions in other physical systems, e.g., binary fluids, para-ferromagnetic materials, etc.; the two phases of turbulence identifying the laminar streaks and coherent vorticity-rich structures.

This book is intended, apart from. This book is based on the lectures delivered at the 19th Canberra International Physics Summer School held at the Australian National University in Canberra (Australia) in January The problem of turbulence and coherent structures is of key importance in.

A review of open channel turbulence, focusing especially on certain features stemming from the presence of the free surface and the bed of a river. Part one presents the statistical theory of turbulence; Part two addresses the coherent structures in open-channel flows and boundary by:   About this book Wall bounded turbulent flows are of major importance in industrial and environmental fluid mechanics.

The structure of the wall turbulence is intrinsically related to the coherent structures that play a fundamental role in the transport process. The book covers lots of encountered flow phenomena's especially in the field of atmospherical fluid dynamics, it gives examples on the power of computational fluid dynamics turbulence models in capturing the discussed phenomena's.

Chapter 1 gives the reader a simplified introduction to the field of turbulence. This is the first book to give a comprehensive overview of recent observational and theoretical results on solar wind structures and fluctuations and magnetohydrodynamic waves and turbulence, preference being given to phenomena in the inner heliosphere.

Emphasis is placed on the progress made in Price: $ Various papers on turbulence and coherent structures are presented. Among the topics addressed are: emergence of characteristic motion in homogeneous turbulent shear flows, generation of coherent structures in free shear layers, use of the proper orthogonal decomposition in a plane turbulent mixing layer, 3D dynamics of coherent structures forming in free shear flows, visualizations of helium Author: Olivier Metais, Marcel Lesieur.

Dissipative Structures and Weak Turbulence (Perspectives in Physics) by Manneville, This is an ex-library book and may have the usual library/used-book markings book has hardback covers.

In good all round condition.

Description Turbulence and structures FB2

Please note the Image in this listing is a stock photo and may not match the covers of the actual item,grams. Dissipative Structure and Weak Turbulence provides an understanding of the emergence and evolution of structures in macroscopic systems. This book discusses the emergence of dissipative zed into 10 chapters, this book begins with.

Turbulence is a book about super-humans. Now I'm the kind of person who likes his super-humans confined to comic books and movies, so from the idea of a superhero novel is foreign to me, as such reviewing one is equally foreign so I'll start from the beginning/5. ISBN: OCLC Number: Notes: Index: p.

Description: xi, pages: illustrations: Series Title: Aléa-Saclay. Other Titles. We relate the second order structure function of a time series with the power spectrum of the original variable, taking an assumption of statistical stationarity.

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With this approach, we find that the structure function is strongly influenced by the large scales. The large scale contribution and the contribution range are respectively 79% and decades for a Kolmogorov -5/3 power spectrum.

We Cited by: Get this from a library. Turbulence, coherent structures, dynamical systems and symmetry. [Philip Holmes;] -- "Turbulence pervades our world, from weather patterns to the air entering our lungs. This book describes methods that reveal its structures and dynamics.

Building on the existence of coherent. Product Information. In the last 25 years, one of the most striking advances in Fluid Mecha­ nics was certainly the discovery of coherent structures in turbulence: lab­ oratory experiments and numerical simulations have shown that most turbulent flows exhibit both spatially-organized large-scale structures and disorganized motions, generally at smaller scales.

Abstract Watch out. It's Eddy Vortex, Superhero. He swirls, he tumbles, he churns up air and water. OK, maybe eddies and vortices aren't exactly superheroes, but they are powerful regions of air and water flow that you have to watch out for in some surprising places.

Try out this science fair project to discover why, as well as where and how to find them. the turbulence structures in the vicinity of the wall-of-the-channel flow were found to be the same as the structures in the wall region of turbulent boundary layers.

These data base obtained from the channel slmulat10n were used in Kim9 and the present work to study the flowCited by: In fluid dynamics, turbulence or turbulent flow is fluid motion characterized by chaotic changes in pressure and flow is in contrast to a laminar flow, which occurs when a fluid flows in parallel layers, with no disruption between those layers.

Turbulence is commonly observed in everyday phenomena such as surf, fast flowing rivers, billowing storm clouds, or smoke from a chimney. PDF | On Oct 1,Lawrence Sirovich and others published Turbulence and the dynamics of coherent structures. Coherent structures | Find, read and cite all the research you need on ResearchGateAuthor: Lawrence Sirovich.

A study of the turbulence structures of wall-bounded shear flows By M. Chong 1 J. Soria 2 A. Perry 1 J. Chacin 3 Y. Na 4 AND B. Cantwell 5 This project extends the study of the structure of wall-bounded flows using the topological properties of eddying motions as developed by Chong et al.

Flow and Turbulence Structures in the Wake of a Simplified Car Model (Ahmed Model) Article (PDF Available) in Notes on Numerical Fluid Mechanics 77(6) January with 2, Reads.

This book describes methods that reveal its structures and dynamics. Building on the existence of coherent structures - recurrent patterns - in turbulent flows, it describes mathematical methods that reduce the governing (Navier-Stokes) equations to simpler forms that can be understood more easily.All of them are based on the introduction of some sort of perturbation into the flow field which affect turbulence coherent structures responsible for turbulence transfer mechanisms.

The scope of the book is to describe several aspects of turbulence structure and modulation and to explain and discuss the most promising techniques in detail.Cambridge U nive rsit y Pre ss - Turbulence, Coherent Structures, Dynamical Systems and Symmetry: Second Edition Philip Holmes, John L.

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