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Atmosphere: 20000
US Standard Atmosphere 1976 — atmospheric properties by altitude from sub-sea to high altitude including temperature, pressure, density, viscosity, speed of sound, mean free path, and gravity
| altitude m | altitude ft (ft) | density kg m3 (kg/m3) | density lb ft3 (lb/ft3) | dynamic viscosity Pa s (Pa*s) | gamma (dimensionless) | geometric altitude m (m) | gravity m s2 (m/s2) | kinematic viscosity m2 s (m2/s) | mean free path m (m) | model | pressure Pa (Pa) | pressure atm (atm) | pressure bar (bar) | pressure psi (psi) | speed of sound ft s (ft/s) | speed of sound m s (m/s) | temperature C | temperature F | temperature K | thermal conductivity W mK (W/mK) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20,000 | 65,823.9 | 0.088035 | 0.00555 | 0.000014 | 1.4 | 20,063.1 | 9.745039 | 0.000161 | 0.000001 | US STD 1976 | 5,474.8887 | 0.054033 | 0.055293 | 0.80196 | 968.0761 | 295.0696 | -56.5 | -69.7 | 216.65 | 0.019505 |
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