Process for constructing a structural element that absorbs...

Details Process for constructing a structural element that absorbs... Process for constructing a structural element that absorbs...

G - Physics

10

K

91/1, 181/14

G10K 11/16 (2006.01) G10K 11/172 (2006.01) F02B 1/04 (2006.01)

Patent

CA 1277922

ABSTRACT: The process makes it possible to determine for sound-absorbing structural elements made of a compact or foamed plastic with cup-shaped protuberances, the thickness and area size of the resonance surfaces that is required for an optimal sound aborption, as a function of the height of the protuberances and the endeavored resonance frequency. The use of this process also makes it possible to adapt the frequency response curve of the sound absorption coefficient of the structural element to the frequency response curve of the sound level of a noise source.

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