Dry air properties table – density, viscosity and specific heat
dry air physical properties:
This table gives values of some dry air physical properties – density, specific heat and viscosity in relation to temperature and pressure.
Abbreviations:
- t – temperature
- ρ – density
- cp – specific heat
- μ – dynamic viscosity
| t [O C] | -50 | 0 | 50 | 100 | 150 | 200 | 300 | 400 |
| ρ [kg/m3] | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1 bar | 1.563 | 1.275 | 1.078 | 0.932 | 0.8226 | 0.7356 | 0.6072 | 0.517 |
| 50 bar | 83.79 | 65.20 | 53.96 | 46.25 | 40.57 | 36.18 | 29.80 | 25.37 |
| 100 bar | 175.6 | 131.4 | 107.1 | 91.13 | 79.66 | 70.92 | 58.37 | 49.71 |
| 200 bar | 340.3 | 253.7 | 205.4 | 174.3 | 152.2 | 135.6 | 111.8 | 95.41 |
| 300 bar | 449.3 | 350.8 | 288.6 | 246.7 | 216.4 | 193.4 | 160.3 | 137.4 |
| cp [kJ/kgK] | ||||||||
| 1 bar | 1.007 | 1.006 | 1.008 | 1.012 | 1.018 | 1.026 | 1.046 | 1.069 |
| 50 bar | 1.212 | 1.112 | 1.085 | 1.075 | 1.055 | 1.049 | 1.061 | 1.08 |
| 100 bar | 1.43 | 1.216 | 1.133 | 1.096 | 1.078 | 1.072 | 1.075 | 1.09 |
| 200 bar | 1.623 | 1.361 | 1.229 | 1.161 | 1.126 | 1.108 | 1.099 | 1.107 |
| 300 bar | 1.604 | 1.409 | 1.282 | 1.204 | 1.16 | 1.135 | 1.117 | 1.12 |
| μ *106[Pas] | ||||||||
| 1 bar | 14.65 | 17.2 | 19.61 | 21.82 | 23.92 | 25.85 | 29.47 | 32.76 |
| 50 bar | 16.7 | 19.42 | 20.57 | 22.59 | 24.4 | 26.4 | 29.9 | 33.1 |
| 100 bar | 18.3 | 20.2 | 21.7 | 23.4 | 25.1 | 26.9 | 30.4 | 33.5 |
| 200 bar | 22.8 | 23.6 | 24.4 | 25.6 | 26.8 | 28.5 | 31.5 | 34.7 |
| 300 bar | 28.7 | 27.8 | 27.5 | 28.1 | 28.8 | 30.1 | 33.1 | 36.1 |