- #1
Sntpm_83
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If the velocity of air flow through a grill is halved but the area of the grill is doubled, By what factor will the sound power be reduced?
air flow through a grill represents a dipole sound source, so it depends on the 6th power of velocity, but how does it depend on the area? If I take sound power to be directly proportional to the area and v^6, I am getting a reduction in sound power by 15 dB. Is it correct?
air flow through a grill represents a dipole sound source, so it depends on the 6th power of velocity, but how does it depend on the area? If I take sound power to be directly proportional to the area and v^6, I am getting a reduction in sound power by 15 dB. Is it correct?