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Steady reflection, absorption and transmission of small disturbances by a screen of dusty gas

Published online by Cambridge University Press:  20 April 2006

R. Ishii  and
H. Matsuhisa
R. Ishii
Affiliation:
Department of Aeronautics, Kyoto University, Kyoto, Japan
H. Matsuhisa
Affiliation:
Department of Precision Mechanics, Kyoto University, Kyoto, Japan
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Abstract

An analytical solution of a system of linearized equations for a gas–particle mixture is obtained for steady periodic motions. A finite volume fraction of particles and a continuous distribution of particle sizes are taken into consideration. It is shown that the effect of a continuous distribution of particle radii on the acoustic motions of a dusty gas is incorporated through only four integral quantities containing the relaxation times of the particle velocity and temperature, integrated over all particle sizes. This solution is applied to the problem of acoustic reflection, absorption, and transmission by a screen of dusty gas.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 130 , May 1983 , pp. 259 - 277
Copyright
© 1983 Cambridge University Press

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References

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