临界 point
參考 數据 與 工程 information about 临界 point 用于 thermodynamics applications.
criticalpoint
Overview
The critical point of a substance is the temperature and pressure above which distinct liquid and gas phases do not exist.
Data Table
10 行
Substance | Critical Temperature(°C) | Critical Pressure(MPa) |
|---|---|---|
| Water | 374 | 22.06 |
| Carbon Dioxide | 31 | 7.38 |
| Methane | -82 | 4.6 |
| Ethane | 32 | 4.88 |
| Propane | 97 | 4.25 |
| Ammonia | 132 | 11.3 |
| Nitrogen | -147 | 3.39 |
| Oxygen | -119 | 5.04 |
| Hydrogen | -240 | 1.3 |
| Helium | -268 | 0.23 |
來源: engineeringtoolbox.com
Notes
- Values are at standard conditions unless otherwise noted
- Always verify values for critical applications