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The sound absorption coefficient indicates how much of the sound is absorbed in the actual material.
The absorption coefficient can be expressed as:
α = Ia / Ii ………………….. (1)
where
Ia = sound intensity absorbed (W/m2)
Ii = incident sound intensity (W/m2)
absorption coefficient of materials varies from 0 to 1
Wiki User
∙ 10y ago
Wiki User
∙ 14y agohow to measure absorption coefficient
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