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Eddy Structure Identification in Free Turbulence Shear Flows : Selected Papers from the IUTAM Symposium, Poitiers, 12-14 October 1992 :  Selected Papers from the IUTAM Symposium, Poitiers, 12-14 October 1992 - J.P. Bonnet

Eddy Structure Identification in Free Turbulence Shear Flows : Selected Papers from the IUTAM Symposium, Poitiers, 12-14 October 1992

Selected Papers from the IUTAM Symposium, Poitiers, 12-14 October 1992

By: J.P. Bonnet (Editor), M.N. Glauser (Editor)

Hardcover

Published: 1993
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The existence and crucial role played by large-scale, organized motions in turbulent flows are now recognized by industrial, applied and fundamental researchers alike. It has become increasingly evident that coherent structures influence mixing, noise, vibration, heat transfer, drag, etc. This volume contains selected papers from the IUTAM symposium entitled 'Eddy Structure Identification in Free Turbulent Shear Flows' which was held in Poitiers, France, October 12--14, 1992. The purpose of the IUTAM symposium was to address some important questions, which are documented in this volume: What is the state of the art of structure identification? How do these approaches work? How do the results from different techniques compare with one another? What kind of information can be obtained from the various methods (e.g., instantaneous results, vorticity, averages, statistics, etc...)? What are the new directions in detection methods and, correspondingly, what are their implications for turbulent flow analysis and prediction methods? £/LIST£ This book will contribute to the knowledge of coherent structure identification processes and will help guide future experimental, numerical and theoretical research in this area. Turbulence researchers will find this volume an invaluable reference.

Preface
Colour Plates
Introductory Remarks to the IUTAM Conference and ERCOFTAC Workshop on Eddy Structure Identification for Free Shear Flowsp. 1
Organised Eddies in Turbulent Shear Flowsp. 5
Large and Small Scale Dynamicsp. 11
New Approaches to Vortex Dynamics: Core Dynamics, Helical Waves, and Interaction with Fine Scale Turbulencep. 13
Impulse Analysis of Fractal and Multifractal Structure of the Field of Derivatives in Turbulent Flowsp. 27
The Genesis of Longitudinal Vortices in Free and Bounded Shear Layersp. 35
Conditional Sampling I: Vorticity-based Methodsp. 43
Vorticity-based Conditional Sampling for Identification of Large-Scale Vortical Structures in Turbulent Shear Flowsp. 45
Eduction of Coherent Structures in a Numerically Simulated Plane Wakep. 65
Acoustic Control of Vortical Structure in a Plane Jetp. 77
Conditional Sampling II: Other Methodsp. 89
Large Scale Structure Characterization in a 2D Mixing Layer by Pseudo-Flow-Visualization and Delocalized Conditional Samplingp. 91
Identification of Low-Speed Spots and Vortical Structures in the Wake of a Long Cylinder in a Near-Axial Flowp. 103
On The Influence of Initial Parameters on Subharmonic Resonance in an Axisymmetric Jetp. 115
Eduction of Vortical Structures by Pressure Measurements in Noncircular Jetsp. 125
A Study of Flow Properties Near Critical Pointsp. 137
Waveletsp. 151
Wavelet Analysis of Fractal Signals: Application to Fully Developed Turbulence Datap. 153
Experimental Analysis of Coherent Motions in a Turbulent Boundary Layerp. 159
On the Use of 2D Wavelets for the Analysis of Coherent Structuresp. 169
Pattern Recognition Analysisp. 179
Analysis of Turbulent Signalsp. 181
Pattern Recognition Analysis of Structure in Manipulated Channel Flow Simulationsp. 195
Proper Orthogonal Decompositionp. 213
Detection of Self-Similar Modes in Turbulence: Application to a Wake Flowp. 215
Characterization of the Organization in Shear Layers via Proper Orthogonal Decompositionp. 225
Near-Wall Reconstruction of Higher-Order Moments and Length Scales Using the PODp. 239
The Application of Classical POD and Snapshot POD in a Turbulent Shear Layer With Periodic Structuresp. 251
Free Shear Flow Coherent Structures in a Low-Dimensional Eigenfunction Spacep. 261
Stochastic Estimationp. 269
Stochastic Estimation of Conditional Structurep. 271
Stochastic Estimation of Multipoint Conditional Averages and Their Spatio-Temporal Evolutionp. 281
Combined or Comparative Approachesp. 293
The Proper Orthogonal Decomposition, Wavelets and Modal Approaches to the Dynamics of Coherent Structuresp. 295
A Comparison of Different Analytical Techniques For Identifying Structures in Turbulencep. 311
An Examination of the Axisymmetric Jet Mixing Layer using Coherent Structure Detection Techniquesp. 325
Topological Conceptsp. 337
Topology of Flow Patterns in Vortex Motions and Turbulencep. 339
Instability Patterns, Wakes and Topological Limit Setsp. 363
Identification and Classification of Topological Structures in Free Shear Flowsp. 379
Full Field Methodsp. 391
Visualization and Identification of Vortex Structures in Stratified Wakesp. 393
Application of Digital Particle Image Velocimetry to a Turbulent Pipe Flowp. 405
Coherent Structures in a Simulated Turbulent Mixing Layerp. 415
Identification of Zones in a Free Evolving Vortex Ringp. 429
Compressible Flowsp. 441
Coherent Structures in Shear Flows, Chemical Tracers and Turbulent Combustionp. 443
Supersonic Mixing Layer Analysis by Laser Planogram and Hot-Wire based PODp. 453
Flow Visualization in Compressible Turbulent Shear Layersp. 463
Identification of Large Structures in Compressible Mixing Layers Using Filtered Rayleigh Scatteringp. 475
List of Participantsp. 487
Author Indexp. 499
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780792324492
ISBN-10: 0792324498
Series: Fluid Mechanics and Its Applications
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 502
Published: 1993
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 23.5 x 15.5  x 3.18
Weight (kg): 1.06