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Atmosphere: 21000
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) | gravity m s2 (m/s2) | kinematic viscosity m2 s (m2/s) | model | pressure Pa (Pa) | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 21,000 | 68,897.64 | 0.075715 | 0.004727 | 0.000014 | 9.742176 | 0.000188 | US STD 1976 | 4,728.9423 | 0.047289 | 0.685876 | 970.1536 | 295.7028 | -55.5691 | -68.0245 | 217.5809 | 0.019583 |
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