Contribution of the acoustic-wake effect to the attenuation of sound in dilute suspensions of rigid particles

This work deals with the attenuation of sound in dilute suspensions of rigid particles when the hydrodynamic mechanism of the acoustic-wake effect is considered. The study extends a previous model by considering asymmetric flow-field conditions around the particles, caused by other neighbor particle...

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Bibliographic Details
Published in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2003-03, Vol.50 (3), p.334-338
Main Authors: Gonzalez, I., Gallego-Juarez, J.A.
Format: Article
Language:English
Subjects:
Absorption
Acoustic propagation
Acoustic waves
Acoustics
Aeroacoustics and atmospheric sound
Aeroacoustics, atmospheric sound
Aerosols
Attenuation
Councils
Equations
Exact sciences and technology
Frequency
Fundamental areas of phenomenology (including applications)
Hydrodynamics
Physics
Suspensions
Underwater sound
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Summary:This work deals with the attenuation of sound in dilute suspensions of rigid particles when the hydrodynamic mechanism of the acoustic-wake effect is considered. The study extends a previous model by considering asymmetric flow-field conditions around the particles, caused by other neighbor particles along the direction of propagation of the acoustic field. The attenuation coefficient is derived from the force equation for a spherical particle in an incompressible fluid that is oscillating at low frequencies and amplitudes within the range of Reynolds numbers of 0.1
ISSN:0885-3010
1525-8955
DOI:10.1109/TUFFC.2003.1193627