Density and Heat Capacity of Liquids from Speed of Sound

Table 9

The average absolute deviation (AAD) in the transcritical domain.

Substance	AAD, %
	IBVP-1	IBVP-2	IBVP-1	IBVP-2
	Ar	0.0003	0.0003	0.0418	0.0367
N2	0.0005	0.0016	0.0346	0.1078
CO2	0.0029	0.0032	0.2815	0.2264
CH4	0.0016	0.0046	0.0955	0.2178
Average	0.0013	0.0024	0.1134	0.1472