Calculation of natural attenuation value of sound wave in air duct:By different section shape |
LaTex |
KeywordNatural attenuation value,sound wave,air duct,different section shape |
Reference[1]:前川純一:『建築・環境音響学』,共立出版,1990,pp.121-127. |
Remarks
・Natural attenuation value of sound wave in air duct:R(dB)
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History・2011/01/27:Upload |
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