Dry Air and Water Vapor - Density and Specific Volume - Imperial Units
Density and specific volume of dry air and water vapor at temperatures ranging 225 to 900 degF (107 to 482 degC)
Density and specific volume of dry air and water vapor at temperatures ranging 225 to 900 oF (107 to 482oC) are indicated below.
Values are for atmospheric pressure - 29.96 inches Mercury (760 mm Mercury, 14.696 psia, 1.0333 kg/cm2, 101.33 kPa).
Temperature | Dry Air | Water Vapor | |||
---|---|---|---|---|---|
(oF) | (oC) | Specific Volume (ft3/lb) | Density (lb/ft3) | Specific Volume (ft3/lb) | Density (lb/ft3) |
225 | 107 | 17.2 | 0.0581 | 27.7 | 0.0361 |
250 | 121 | 17.8 | 0.0562 | 28.7 | 0.0349 |
275 | 135 | 18.5 | 0.0541 | 29.7 | 0.0337 |
300 | 149 | 19.1 | 0.0524 | 30.8 | 0.0325 |
325 | 163 | 19.7 | 0.0508 | 31.8 | 0.0314 |
350 | 177 | 20.3 | 0.0493 | 32.7 | 0.0306 |
375 | 191 | 21.0 | 0.0476 | 33.8 | 0.0296 |
400 | 204 | 21.6 | 0.0463 | 34.8 | 0.0287 |
450 | 232 | 22.8 | 0.0439 | 36.8 | 0.0272 |
500 | 260 | 24.1 | 0.0415 | 38.8 | 0.0258 |
600 | 316 | 26.6 | 0.0376 | 42.9 | 0.0233 |
700 | 371 | 29.1 | 0.0344 | 46.9 | 0.0213 |
800 | 427 | 31.6 | 0.0316 | 21.0 | 0.0196 |
900 | 482 | 34.1 | 0.0293 | 55.0 | 0.0182 |
- T(oF) = [T(oC)](9/5) + 32
- 1 ft3/lbm = 1728 in3/lbm = 7.48 US gal/lbm = 62.43 liter/kg = 0.062 m3/kg
- 1 lb/ft3 = 16.018 kg/m3 = 0.016 g/cm3
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