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Air Speed Sound

Reference data and engineering information about air speed sound for acoustics applications.

airspeedsound

Overview

Engineering reference data for Air Speed Sound 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

Data Table

23 rows
Temperature - t - (oF) / Speed of Sound - c - (ft/s) data
col0
-40
-20
0
10
20
30
40
50
60
70
80
90
100
120
140
160
180
200
300
400
500
750
1000

Source: engineeringtoolbox.com

References