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RESEARCH PAPERS

Homogeneous Turbulence in Bubbly Flows

[+] Author and Article Information
M. Lance, J. L. Marié, J. Bataille

Laboratoire de Mécanique des Fluides et d’Acoustique, URA CNRS 263-Ecole Centrale de Lyon, Ecully Cedex, France

J. Fluids Eng 113(2), 295-300 (Jun 01, 1991) (6 pages) doi:10.1115/1.2909495 History: Received June 19, 1986; Online May 23, 2008

Abstract

The present study is devoted to the interaction between a swarm of bubbles and a turbulent field in a linear shear flow. The transversal and longitudinal evolutions of the void fraction and of the Reynolds stress tensor have been measured. When the air bubbles are blown uniformly into the shear, the void fraction profiles exhibit a strong gradient which can be explained by kinematical effects. No void migration has been observed. The behavior of the Reynolds tensor indicates that the nonisotropy induced by the mean velocity gradient decreases when the void fraction increases. A simple mechanism is proposed to interpret this fact, and a turbulence model based on one-point closures is compared to the experimental data.

Copyright © 1991 by The American Society of Mechanical Engineers
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