-- Physical Property for Ar.

rho_g,    POLY_L, -1, -1, 10.0, 5000.0, 486.83015197669, -- Mw * 101325/R
mu_g,     CONST,   2.125e-5
specht_g, CONST, 520.3292280374246
thc_g,    CONST,   0.0158
diff,     CONST,   1.9365e-4, -- to Air, at 1400 K.
molar_mass, 39.948
sigma,    CONST,   0.07, -- water

