Gases

Density (kg/m³)

Specific Heat Ratio

Kinematic Viscosity (10⁻⁶ m²/s)

Prandtl Number

Diffusion Coefficient in Air (cm²/s)

Air

0.95

1.40

15.7

0.71

0.204

SF₆

4.85

1.09

2.47

0.90

0.097