Accoustic
Properties for
Gases-
|
Gases
|
Velocity, Longitudinal
|
Density
(g/cm3)
|
Acoustic Impedance
g/cm2-sec
x105
|
|
cm/µs
|
in/µs
|
|
Air 0°
C (25 ATMs.)
|
.0332
|
.0131
|
N/A
|
N/A
|
|
Air 0°
C (50 ATMs.)
|
.0335
|
.0132
|
N/A
|
N/A
|
|
Air 0°
C (100 ATMs.)
|
.0351
|
.0138
|
N/A
|
N/A
|
|
Air 20°
C
|
.0344
|
.0135
|
N/A
|
N/A
|
|
Air 100°
C
|
.0386
|
.0152
|
N/A
|
N/A
|
|
Air 500°
C
|
.0553
|
.0218
|
N/A
|
N/A
|
|
Ammonia
|
.0415
|
.0163
|
N/A
|
N/A
|
|
Argon
|
.0319
|
.0126
|
1.78x10-3
|
.000568
|
|
|
|
|
|
|
|
Carbon Monoxide
|
.0337
|
.0133
|
N/A
|
N/A
|
|
Carbon Dioxide
|
.0258
|
.0102
|
N/A
|
N/A
|
|
Carbon Disulfate
|
.0189
|
.0074
|
N/A
|
N/A
|
|
Chlorine
|
.0205
|
.0081
|
N/A
|
N/A
|
|
Ethylene
|
.0314
|
.0124
|
N/A
|
N/A
|
|
Helium
|
.0970
|
.0382
|
.179 x 10-3
|
.000174
|
|
Hydrogen
|
.1280
|
.0504
|
.09 x 10-3
|
.000115
|
|
Methane
|
.0430
|
.0169
|
.74 x 10-3
|
.000318
|
|
Neon
|
.0430
|
.0169
|
.90 x 10-3
|
.000387
|
|
Nitric Oxide
|
.0325
|
.0128
|
N/A
|
N/A
|
|
Nitrogen (0° C)
|
.0330
|
.013
|
1.25 x 10-3
|
.000413
|
|
Nitrogen (20° C)
|
.0350
|
.0138
|
1.16 x 10-3
|
.000406
|
|
Nitrous Oxide
|
.0262
|
.0103
|
N/A
|
N/A
|
|
Oxygen (0° C)
|
.0316
|
.0124
|
1.42 x 10-3
|
.000449
|
|
Oxygen (20° C)
|
.0328
|
.0129
|
1.32 x 10-3
|
.000433
|
Data compiled by Xactex Corporation. Sources of original data are unknown.
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