Eddy Structure Identification in Free Turbulent Shear Flows

“Introductory Remarks to the IUTAM Conference and ERCOFTAC Workshop on “Eddy Structure Identification for Free Shear Flows”.- “Organised Eddies in Turbulent Shear Flows”.- I. Large and Small Scale Dynamics.- “New Approaches to Vortex Dynamics: Core Dynamics, Helical Waves, and Interaction with Fine Scale Turbulence”.- “Impulse Analysis of Fractal and Multifractal Structure of the Field of Derivatives in Turbulent Flows”.- “The Genesis of Longitudinal Vortices in Free and Bounded Shear Layers”.- II. Conditional Sampling I: Vorticity-based Methods.- “Vorticity-based Conditional Sampling for Identification of Large-Scale Vortical Structures in Turbulent Shear Flows”.- “Eduction of Coherent Structures in a Numerically Simulated Plane Wake”.- “Acoustic Control of Vortical Structure in a Plane Jet”.- III. Conditional Sampling II: Other Methods.- “Large Scale Structure Characterization in a 2D Mixing Layer by Pseudo-Flow-Visualization and Delocalized Conditional Sampling”.- “Identification of Low-Speed Spots and Vortical Structures in the Wake of a Long Cylinder in a Near-Axial Flow”.- “On The Influence of Initial Parameters on Subharmonic Res onance in an Axisymmetric Jet”.- “Eduction of Vortical Structures by Pressure Measurements in Noncircular Jets”.- “A Study of Flow Properties Near Critical Points”.- IV. Wavelets.- “Wavelet Analysis of Fractal Signals: Application to Fully Developed Turbulence Data”.- “Experimental Analysis of Coherent Motions in a Turbulent Boundary Layer”.- “On the Use of 2D Wavelets for the Analysis of Coherent Structures”.- V. Pattern Recognition Analysis.- “Analysis of Turbulent Signals”.- “Pattern Recognition Analysis of Structure in Manipulated Channel Flow Simulations”.-VI. Proper Orthogonal Decomposition.- “Detection of Self-Similar Modes in Turbulence: Application to a Wake Flow”.- “Characterization of the Organization in Shear Layers via Proper Orthogonal Decomposition”.- “Near-Wall Reconstruction of Higher-Order Moments and Length Scales Using the POD”.- “The Application of Classical POD and Snapshot POD in a Turbulent Shear Layer With Periodic Structures”.- “Free Shear Flow Coherent Structures in a Low-Dimensional Eigenfunction Space”.- VII. Stochastic Estimation.- “Stochastic Estimation of Conditional Structure”.- “Stochastic Estimation of Multipoint Conditional Averages and Their Spatio-Temporal Evolution”.- VIII. Combined or Comparative Approaches.- “The Proper Orthogonal Decomposition, Wavelets and Modal Approaches to the Dynamics of Coherent Structures”.- “A Comparison of Different Analytical Techniques For Iden tifying Structures in Turbulence”.- “An Examination of the Axisymmetric Jet Mixing Layer using Coherent Structure Detection Techniques”.- IX. Topological Concepts.- “Topology of Flow Patterns in Vortex Motions and Turbulence ”.- “Instability Patterns, Wakes and Topological Limit Sets”.- “Identification and Classification of Topological Structures in Free Shear Flows”.- X. Full Field Methods.- “Visualization and Identification of Vortex Structures in Stratified Wakes”.- “Application of Digital Particle Image Velocimetry to a Turbulent Pipe Flow”.- “Coherent Structures in a Simulated Turbulent Mixing Layer”.- “Identification of Zones in a Free Evolving Vortex Ring”.- XI. Compressible Flows.- “Coherent Structures in Shear Flows, Chemical Tracers and Turbulent Combustion”.- “Supersonic Mixing Layer Analysis by Laser Planogram and Hot-Wire basedPOD”.- “Flow Visualization in Compressible Turbulent Shear Layers”.- “Identification of Large Structures in Compressible Mixing Layers Using Filtered Rayleigh Scattering”.- List of Participants.- Author Index.