Instrumentation noise control

Input(s)

$\mathrm{P}_{\mathrm{a}}$: Pressure of Sound Measured (psi)

$\mathrm{P}_{\mathrm{o}}$: Reference Pressure (psi)

Output(s)

$\mathrm{dB}$: Decibel $(\mathrm{dB})$

Formula(s)

$$ \mathrm{dB}=20 * \log \left(\frac{\mathrm{P}_{\mathrm{a}}}{\mathrm{P}_{\mathrm{o}}}\right) $$

Reference(s)

John M. Campbell, Gas Conditioning and Processing, Campbell Petroleum Series, Oklahoma, 1992, Vol. 1, Page: 297.