PPDS 5: For viscosity h of the gas at low pressures (p < 600 kPa)
h = a
0×Tr
/ {1 + a
1×(
Tr - 1)
×
Tra2}
1/6; where
Tr =
T/Tc and
Tc is the critical temperature.
Evaluation Results:
The example is for fitted thermal conductivities for the saturated liquid phase of pentane.