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Noise Control Reference Handbook
Sound Power Level of Typical Sources
>From the IAC Noise Control Reference Handbook, 1989 Edition by Martin
Hirschorn.
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Source Sound Power, Lw, dB
Watts re 10^-12
Watts
Saturn rocket 100,000,000 200
After burning jet engine 100,000 170
Centrifugal fan at 500,000 cfm
(849,000 cu m/hr) 100 140
75 piece orchestra or
Vane axial fan at 100,000 cfm
(169,900 cu m/hr) 10 130
Large chipping hammer 1 120
Blaring radio or
Centrifugal fan at 13,000 cfm
(22,087 cu m/hr) 0.1 110
Auto on highway 0.01 100
Food blenders-upper range 0.001 90
Dishwashers-upper range 0.0001 80
Voice-conversational level 0.00001 70
Quiet-Duct silencer, self-noise
at +1000 fpm 0.00000001 40
Voice-very soft whisper 0.000000001 30
Quietest audible sound for persons with
excellent hearing 0.000000000001 0
Noise Control Reference Handbook
Sound Power Level of Typical Sources
>From the IAC Noise Control Reference Handbook, 1989 Edition by Martin
Hirschorn.
----------------------------------------------------------------------------
-----
Source Sound Power, Lw, dB
Watts re 10^-12
Watts
Saturn rocket 100,000,000 200
After burning jet engine 100,000 170
Centrifugal fan at 500,000 cfm
(849,000 cu m/hr) 100 140
75 piece orchestra or
Vane axial fan at 100,000 cfm
(169,900 cu m/hr) 10 130
Large chipping hammer 1 120
Blaring radio or
Centrifugal fan at 13,000 cfm
(22,087 cu m/hr) 0.1 110
Auto on highway 0.01 100
Food blenders-upper range 0.001 90
Dishwashers-upper range 0.0001 80
Voice-conversational level 0.00001 70
Quiet-Duct silencer, self-noise
at +1000 fpm 0.00000001 40
Voice-very soft whisper 0.000000001 30
Quietest audible sound for persons with
excellent hearing 0.000000000001 0