Calculation of Thermal Pressure Coefficient of R11, R13, R14, R22, R23, R32, R41, and R113 Refrigerants by 𝑝𝑉𝑇 Data

Table 6

Comparison of (𝜕𝑝/𝜕𝑇)_𝜌 among the calculated and experimental values for R13 at 300 K [1, 6, 18, 30].

𝑝/MPa	𝜌/mol⋅L^−1	(𝜕𝑝/𝜕𝑇)𝜌(MPa⋅K^−1)
		TPC^Helmholtz	TPC^(1)	TPC^(2)	TPC^(3)
8.0000	10.0570	0.3095	0.5114	0.4231	0.3317
9.0000	10.2590	0.3295	0.5393	0.4434	0.3490
10.0000	10.4330	0.3476	0.5643	0.4614	0.3645
11.0000	10.5870	0.3642	0.5870	0.4776	0.3786
12.0000	10.7260	0.3796	0.6081	0.4925	0.3917
13.0000	10.8520	0.3940	0.6276	0.5061	0.4038
14.0000	10.9680	0.4075	0.6460	0.5189	0.4152
15.0000	11.0750	0.4203	0.6633	0.5309	0.4260
16.0000	11.1750	0.4324	0.6797	0.5421	0.4362
17.0000	11.2700	0.4440	0.6956	0.5530	0.4461
18.0000	11.3580	0.4550	0.7106	0.5631	0.4554
19.0000	11.4430	0.4656	0.7252	0.5729	0.4645
20.0000	11.5230	0.4757	0.7392	0.5823	0.4732
21.0000	11.5990	0.4854	0.7526	0.5912	0.4816
22.0000	11.6720	0.4948	0.7657	0.5999	0.4898
23.0000	11.7420	0.5038	0.7784	0.6082	0.4977
24.0000	11.8090	0.5125	0.7907	0.6163	0.5054
25.0000	11.8740	0.5208	0.8027	0.6242	0.5129
26.0000	11.9360	0.5290	0.8143	0.6317	0.5202
27.0000	11.9970	0.5368	0.8258	0.6391	0.5274
28.0000	12.0550	0.5444	0.8369	0.6463	0.5343
29.0000	12.1120	0.5517	0.8479	0.6533	0.5412
30.0000	12.1660	0.5587	0.8584	0.6600	0.5478
31.0000	12.2200	0.5657	0.8689	0.6667	0.5544
32.0000	12.2720	0.5723	0.8792	0.6732	0.5609