Gases absolute dynamic viscosité
Reference data et engineering information about gases absolute dynamic viscosité pour gases et compressed air applications.
gasesabsolutedynamicviscosityTableau de données
Overview
Dynamic viscosity of common gases at atmospheric pressure. Gas viscosity increases with temperature (unlike liquids, where viscosity decreases with temperature).
Data Table
15 lignes
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 |
Source: engineeringtoolbox.com
Notes
- Values are at standard conditions unless otherwise noted
- Always verify values for critical applications