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PERSISTENT STAGNATION POINTS AND TURBULENT CLUSTERING OF INERTIAL PARTICLES

John Christos Vassilicos
Turbulence, Mixing and Flow Control Group, Department of Aeronautics Imperial College London, London SW7 2AZ, United Kingdom

L. Chen
Department of Aeronautics, Imperial College of Science, Technology & Medicine, Prince Consort Road, London SW7 2BY, U.K.

Susumu Goto
Department of Mechanical Engineering, Okayama University, 3-1-1, Tsushimanaka, Okayama, 700-8530, Japan; Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531 Japan

D. Osborne
Department of Aeronautics, Imperial College London, SW7 2AZ, UK

Abstrakt

This is a progress report which includes some speculations as well as solid results concerning, in particular, the correlation between the clustering of inertial particles and the clustering of peristent stagnation points in statistically isotropic and homogeneous turbulent fluid flow.