噪声 reduction silencers
參考 數据 與 工程 information about 噪声 reduction silencers 用于 acoustics applications.
noisereductionsilencers
Overview
Engineering reference data for Noise Reduction Silencers in acoustics.
Key Formulas
Speed of Sound
Speed of sound in an ideal gas.
Sound Level
Decibel level.
Wavelength
Wavelength = speed / frequency.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Speed of sound | m/s | |
| Sound level | dB | |
| Wavelength | m | |
| Frequency | Hz |