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The influence of particle size distributions on the velocity and the attenuation of sound in gas-solid suspensions

✍ Scribed by W. Gregor; J. Raasch; H. Rumpf

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
514 KB
Volume
31
Category
Article
ISSN
0009-2509

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✦ Synopsis

Abskxt-On the basis of mass-and momentum-balances equations are derived for the velocity and the attenuation of sound depending on the volume fraction of the gas, the density ratio of the two phases, the gas viscosity, the slip velocity between gas and particles, the sound frequency, and on the normal&d volume-distribution-function q,(x) of the particle size. Specially very small particles have a big influence which is shown quantitatively with an assumed power-function for the volume-distribution q&).

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