Air altitude température
Reference data et engineering information about air altitude température pour gases et compressed air applications.
airaltitudetemperature
Overview
Air temperature and pressure at various altitudes in the International Standard Atmosphere (ISA). The troposphere (0–11 km) has a lapse rate of −6.5°C/km. Above 11 km (tropopause to 20 km), temperature remains constant at −56.5°C.
Data Table
14 lignes
Altitude(m) | Temperature(°C) | Pressure(kPa) | Density(kg/m³) |
|---|---|---|---|
| 0 | 15 | 101.325 | 1.225 |
| 500 | 11.8 | 95.461 | 1.167 |
| 1000 | 8.5 | 89.874 | 1.112 |
| 1500 | 5.3 | 84.556 | 1.058 |
| 2000 | 2 | 79.501 | 1.007 |
| 3000 | -4.5 | 70.121 | 0.909 |
| 4000 | -11 | 61.66 | 0.819 |
| 5000 | -17.5 | 54.048 | 0.736 |
| 6000 | -24 | 47.217 | 0.66 |
| 8000 | -37 | 35.651 | 0.526 |
| 10000 | -50 | 26.499 | 0.414 |
| 11000 | -56.5 | 22.699 | 0.365 |
| 15000 | -56.5 | 12.111 | 0.195 |
| 20000 | -56.5 | 5.529 | 0.089 |
Source: engineeringtoolbox.com
Notes
- Values are at standard conditions unless otherwise noted
- Always verify values for critical applications