Since 1964 the main function of the European Mechanics Committee has been to arrange Euromech Colloquia. These are three- or four-day meetings for the discussion of current research on a specified and relatively narrow topic in mechanics, by about 50 specialists chosen for their active involvement in research in that topic. The organization of each Euromech Colloquium is entrusted by the Committee to one or two selected scientists of repute in the field, and these organizers are enjoined to achieve a friendly and informal forum for discussion, with a minimum of paper work and expenditure. Over 220 Euromech Colloquia have been held since 1964 (about 40 each in France, West Germany and Britain and the remainder in 18 countries in both western and eastern Europe) on a wide range of topics drawn from the mechanics of solid materials, hydrodynamics, gas dynamics and mechanical systems. The Committee believes that collectively, Euromech Colloquia have made a significant contribution to the exchange of ideas on topics in mechanics within Europe and have thereby helped to overcome the barriers to easy scientific communication in that sorely divided continent. A few years ago the European Mechanics Committee turned its atten tion to the possible need for European conferences on a larger scale than Euromech Colloquia.
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ISBN-13
978-3-642-83045-7 (9783642830457)
DOI
10.1007/978-3-642-83045-7
Schweitzer Klassifikation
I Instability and Transition. Theory and Experiments.- Instability and Transition.- An Experimental Investigation of Transition to Turbulence in Taylor-Couette Flow Using Digital Image Processing.- Dynamical Instabilities and Transition to Turbulence in Spherical Gap Flows.- On Transition to Turbulence in Boundary Layers.- Instability and Transition of Flow in a Two-Dimensional Channel.- The Entrainment of Particles by a Turbulent Spot in a Laminar Boundary Layer.- Modal Approach to Low Prandtl Number Thermal Convection.- II Chaotic Behaviour of Non-Linear Systems and Turbulent Fields.- Chaotic Behaviour in a Non-Linear System: Turbulence in Rayleigh Benard Convection.- Chaos Through Biperiodicity.- A Topological Model for the Onset of Chaotic Motions in the Blasius Boundary Layer.- One-Dimensional Analog of the Saltzman-Lorenz Problem for Thermal Convection.- III Direct and Large Eddy Simulation of Turbulence.- On Direct and Large Eddy Simulation of Turbulence.- The Pressure-Strain Correlation of a Turbulent Homogeneous Shear Flow Under Strongly-Stable Stratification.- Normalization of High-Resolution Raster Display Applied to Turbulent Fields.- Large Eddy Simulations of Isotropic or Stably-Stratified Turbulence.- 3D Simulation of 2 Length Scales Turbulent Flows by Homogenization.- The Simulation of Dispersion by Convective Turbulence in the Atmosphere.- IV Coupling of Fourier Modes. Spectral Analysis of Turbulence and Related Problems.- Spectral Evolution of the Navier-Stokes Equations for Low Order Couplings of Fourier Modes.- Grid Generated Turbulence Exhibiting a Peak in the Spectrum.- Spectral Analysis of a Three-Dimensional Homogeneous Turbulence Submitted to a Solid Body Rotation.- MIS: An Alternative for the Dissipation Equation.- Transient Behavior of a StablyStratified Homogeneous Turbulent Flow.- A Stochastic Analysis of the Displacements of Fluid Elements in Inhomogeneous Turbulence Using Kraichnan's Method of Random Modes.- Fully Developed Turbulence and Complex Time Singularities.- Reynolds Number and Prandtl Number Influence on the Determination of Isotropic Velocity and Temperature Turbulent Length Scales.- On the Detection of Dissipation Events in a High Reynolds Number Turbulent Boundary Layer.- V Two-Dimensional Velocity Fields. Geophysical and Astrophysical Turbulence.- Geophysical and Astrophysical Turbulence.- Computer Simulation of Decaying Two-Dimensional Turbulence.- Energy Cascades of Kelvin-Helmholtz Instabilities in the Stably Stratified Atmospheric Boundary Layer.- An Experimental Study of the Inverse Cascade of Energy in Two-Dimensional Turbulence.- Inhomogeneous Two-Dimensional Turbulence in the Atmosphere.- Laminarization by a Strong Magnetic Field.- Transition of Magnetohydrodynamical Waves in the Solar Atmosphere.- Sensitivity of Two-Dimensional MHD Turbulence to Alfven Waves and Correlations.- The Structure of the Turbulent Temperature Field Above Heated Planes.- On the Equations Governing the Propagation of Disturbances in Turbulent Shear Flow.- VI Coherent Structures in Turbulent Flows. Conditional Averaging. Pattern Recognition.- Coherent Structures.- Topology of Organised Structures in a Turbulent Plane Wake.- Models for Coherent Structures in the Wall Layer.- Orthogonal Decomposition of the Axisymmetric Jet Mixing Layer Including Azimuthal Dependence.- Analysis of Cut-and-Connect of Vortex Filaments.- A New Look at the Near-Wall Turbulence Structure.- On the Evolution of Shear-Layer Structures in Near-Wall Turbulence.- Coherent Structures in Turbulent Pipe Flow.- Behaviour of CoherentStructures in a Turbulent Boundary Layer with Wall Suction.- Identification of Sweeps with the Help of the Instantaneous Velocity Gradient dU/dy.- Turbulence Structure in a Cylinder Wake.- Coherent Structures and Their Relation to Instability Processes in a Round Free Jet.- Experimental Study of an Incompressible, Plane Mixing Layer by Temporal and Spectral Analysis.- VII Experimental Techniques: Hot-Wire Anemometry, Vorticity Meters, Electrochemical Methods, Image Analysis.- A Critical Analysis of Transverse Vorticity Measurements in a Large Plane Shear Layer.- A Study of the Vortical Structure of the Turbulent Boundary Layer.- Preliminary Vorticity Measurements by a Method Based on a MHD Principle.- Skin-Friction Measurements in Two- and Three-Dimensional Highly Turbulent Flows with Separation.- Numerical Experiments on Static Non-Linear Effects in a Single Hot-Wire Measuring Technique.- Hot Wire in Wall Proximity.- Wall Velocity Gradient Fluctuations in Turbulent Flow (Newtonian Fluid and Dilute Polymer Solutions).- Image Analysis of the Spinning Cylinder near Wake.- VIII Engineering Applications of Turbulence and the Effect of External Disturbances.- Applications Industrielles de la Turbulence, ses Progrès Récents, son Avenir.- Manipulated Turbulence Structure in Flight.- On the Manner in Which Outer Layer Disturbances Affect Turbulent Boundary Layer Skin Friction.- Response of Turbulence to Large Amplitude Oscillations in Channel Flow.- Turbulence in Oscillatory Boundary Layers.- The Structure of Turbulence Measured in a Relaxing Boundary Layer.- List of Participants.- Index of Contributors.
