Flow_def dry_air air
Flow_cls real_gas
prop_data refprop

MOLECULES
n_data 3
N2 X 0.7812
Ar X 0.0092
O2 X 0.2096

ATOMS
n_atom 3
O
N
Ar

END

Flow_def wet_air 
Flow_cls real_gas
prop_data refprop

MOLECULES
n_data 4
N2 X 0.7812
Ar X 0.0092
O2 X 0.2096
H2O X 0.0

ATOMS
n_atom 4
O
H
N
Ar

END

