Thermophysical Properties of He

Density

48.75 P(atm)/T(K) [kg/m3]

Heat Capacity

5192 [J/kg-K]

Thermal Conductivity

2.5 x 10-3 T0.72 [W/m-K]

Dynamic Viscosity

3.2 x 10-7 T0.72 [kg/m-s]

Prandtl number

~0.667

Nusselt number (turbulent)

0.018 Re0.8