Phase Behavior and Physical Parameters of Natural Gas Mixture with

Table 1

Optimized parameters of the new α-function proposed by Saffari (3).

Substance	range	Optimized parameters
		CO2	0.72–1	0.0056	0.0881	1.4928
N2	0.52–1	0.0033	−0.0031	0.8180
methane	0.48–1	0.0039	0.0473	0.8514
ethane	0.30–1	0.0047	0.0359	1.0638
propane	0.26–1	0.0050	0.1010	1.3640
i-butane	0.28–1	0.0052	0.0730	1.4200
n-butane	0.33–1	0.0054	0.0780	1.4205
i-pentane	0.25–1	0.0060	0.0885	1.5626
n-pentane	0.31–1	0.0059	0.0872	1.5624
hexane	0.36–1	0.0072	0.1731	1.8759