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Pnc preferred bruit criteria

Reference data et engineering information about pnc preferred bruit criteria pour acoustics applications.

pncpreferrednoisecriteria

Overview

Engineering reference data for Pnc Preferred Noise Criteria in acoustics.

Key Formulas

Speed of Sound

c=γRTc = \sqrt{\gamma R T}

Speed of sound in an ideal gas.

Sound Level

L=10log10(I/I0)L = 10 \log_{10}(I/I_0)

Decibel level.

Wavelength

λ=c/f\lambda = c / f

Wavelength = speed / frequency.

Variables

SymbolDescriptionUnit
ccSpeed of soundm/s
LLSound leveldB
λ\lambdaWavelengthm
ffFrequencyHz

References