3.4.2 dranchuk_purvis_robinson - Dranchuk-Purvis-Robinson equation of state

z = dranchuk_purvis_robinson(ppr, tpr)

Computes the compressebility factor using the Dranchuk-Purvis-Robinson method using the pseudo-reduced pressure and temperature.

Arguments

ppr

Pseudo-reduced pressure .

tpr

Pseudo-reduced temperature .

Returns Compressebility factor .

Possible Errors

Dranchuk-Purvis-Robinson unknown amount of arguments

The given number of arguments is unknown.