Calculation of natural attenuation value of sound wave in air duct:By different section shape

Calculation of natural attenuation value of sound wave in air duct:By different section shape

1Area:S1Same unit to S2. 0<S1
2Area:S2Same unit to S1. 0<S2
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Keyword・Reference・Remarks・History

LaTex

Keyword

Natural 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)
・Making Equation Image is powered by CODECOGS

History

・2011/01/27:Upload

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