Let us examine the transport peoperties, are constants then
Property | Unit | ![]() | Air | Water | Oil | Hg |
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | 0.5 | 1.2 | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
k | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
Pr | 0.95 | 0.71 | 7 | 5000 | 0.029 |
where is the kinematic viscosity,
is the thermal diffusivity and Pr is Prandtl number.