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Temperature, density, specific heat, thermal conductivity, expansion coefficient, kinematic viscosity and Prandtl's number for temperatures ranging -150 - 400 oC
Common properties for air at atmospheric pressure are indicated the table below
Temperature
- t -
(oC) | Density
- -
(kg/m3) | Specific heat capacity
- cp -
(kJ/kg.K) | Thermal conductivity
- l -
(W/m.K) | Kinematic viscosity
- ν -
x 10-6 (m2/s) | Expansion coefficient
- b -
x 10-3 (1/K) | Prandtl's number
- Pr - |
|---|
| -150 |
2.793 |
1.026 |
0.0116 |
3.08 |
8.21 |
0.76 |
| -100 |
1.980 |
1.009 |
0.0160 |
5.95 |
5.82 |
0.74 |
| -50 |
1.534 |
1.005 |
0.0204 |
9.55 |
4.51 |
0.725 |
| 0 |
1.293 |
1.005 |
0.0243 |
13.30 |
3.67 |
0.715 |
| 20 |
1.205 |
1.005 |
0.0257 |
15.11 |
3.43 |
0.713 |
| 40 |
1.127 |
1.005 |
0.0271 |
16.97 |
3.20 |
0.711 |
| 60 |
1.067 |
1.009 |
0.0285 |
18.90 |
3.00 |
0.709 |
| 80 |
1.000 |
1.009 |
0.0299 |
20.94 |
2.83 |
0.708 |
| 100 |
0.946 |
1.009 |
0.0314 |
23.06 |
2.68 |
0.703 |
| 120 |
0.898 |
1.013 |
0.0328 |
25.23 |
2.55 |
0.70 |
| 140 |
0.854 |
1.013 |
0.0343 |
27.55 |
2.43 |
0.695 |
| 160 |
0.815 |
1.017 |
0.0358 |
29.85 |
2.32 |
0.69 |
| 180 |
0.779 |
1.022 |
0.0372 |
32.29 |
2.21 |
0.69 |
| 200 |
0.746 |
1.026 |
0.0386 |
34.63 |
2.11 |
0.685 |
| 250 |
0.675 |
1.034 |
0.0421 |
41.17 |
1.91 |
0.68 |
| 300 |
0.616 |
1.047 |
0.0454 |
47.85 |
1.75 |
0.68 |
| 350 |
0.566 |
1.055 |
0.0485 |
55.05 |
1.61 |
0.68 |
| 400 |
0.524 |
1.068 |
0.0515 |
62.53 |
1.49 |
0.68 |
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