氣體 绝對 動态 粘度
參考 數据 與 工程 information about 氣體 绝對 動态 粘度 用于 氣體 與 壓缩 空氣 applications.
gasesabsolutedynamicviscosity數據表
Overview
Dynamic viscosity of common gases at atmospheric pressure. Gas viscosity increases with temperature (unlike liquids, where viscosity decreases with temperature).
Data Table
15 行
Gas | Formula | Viscosity at 20°C(10⁻⁵ Pa·s) | Viscosity at 0°C(10⁻⁵ Pa·s) | Viscosity at 100°C(10⁻⁵ Pa·s) |
|---|---|---|---|---|
| Air | — | 1.81 | 1.71 | 2.17 |
| Nitrogen | N₂ | 1.76 | 1.66 | 2.14 |
| Oxygen | O₂ | 2.04 | 1.92 | 2.44 |
| Carbon dioxide | CO₂ | 1.47 | 1.37 | 1.86 |
| Carbon monoxide | CO | 1.76 | 1.66 | 2.13 |
| Hydrogen | H₂ | 0.89 | 0.84 | 1.08 |
| Helium | He | 1.96 | 1.86 | 2.34 |
| Methane | CH₄ | 1.09 | 1.03 | 1.32 |
| Ammonia | NH₃ | 1.02 | 0.93 | 1.31 |
| Sulfur dioxide | SO₂ | 1.27 | 1.17 | 1.64 |
| Nitrogen dioxide | NO₂ | 1.46 | 1.37 | 1.84 |
| Neon | Ne | 3.13 | 2.97 | 3.73 |
| Argon | Ar | 2.23 | 2.1 | 2.71 |
| Propane | C₃H₈ | 0.81 | 0.75 | 1.06 |
| Butane | C₄H₁₀ | 0.73 | 0.68 | 0.96 |
來源: engineeringtoolbox.com
Notes
- Values are at standard conditions unless otherwise noted
- Always verify values for critical applications