classical attenuation

classical attenuation

[‚klas·i·kəl ə‚ten·yə′wā·shən]
(acoustics)
Sound absorption through mechanisms that do not involve molecular relaxation, namely, shear viscosity, heat conduction, heat radiation, and diffusion. Also known as thermoviscous attenuation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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