Affiliation:
1. Department of Oceanography, Dalhousie University, Nova Scotia, B3H 4R2, Canada,
Abstract
The available measurements of the acoustic attenuation coefficient, α, in aqueous suspensions of glass beads and sand are investigated for [Formula: see text] (where k is the acoustic wavenumber and a the grain radius) and volume concentrations, [Formula: see text], up to 0.65. The data are found to collapse substantially when dividing by volume concentration, consistent with the expected first-order linear dependence. Equations of the form [Formula: see text], with ka-dependent coefficients, provide a prediction that is within a factor of 2 for low and intermediate values of ka.
Funder
Natural Sciences and Engineering Research Council of Canada
Publisher
Acoustical Society of America (ASA)
Subject
Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics
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