声 attenuation ducts walls

参考数据与工程 information about 声 attenuation ducts walls 用于 acoustics applications.

soundattenuationductswalls

Overview

Engineering reference data for Sound Attenuation Ducts Walls in acoustics.

$c = \sqrt{\gamma R T}$

Speed of sound in an ideal gas.

$L = 10 \log_{10}(I/I_0)$

Decibel level.

$\lambda = c / f$

Wavelength = speed / frequency.