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sound absorption coefficient

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
sound absorption coefficient [′sau̇nd ab‚sȯrp·shən ‚kō·i‚fish·ənt]
(acoustics)
The ratio of sound energy absorbed to that arriving at a surface or medium. Also known as acoustic absorption coefficient; acoustic absorptivity.

sound absorption coefficient,
a The fraction of the sound energy (incident at random angles on a surface) which is absorbed or otherwise not reflected by the surface.


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The sound absorption coefficient of the samples, presented in a scale from 0 to I, was measured with an impedance tube and the [Tube-X.
As natural fibers are inherently coarser than man-made fibers, and much more coarse than fiberglass, our initial expectation was to get much lower sound absorption coefficient values.
 
 
 
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