. 2021 Jun 21;6(26):16722–16735. doi: 10.1021/acsomega.1c00248

Table 2. Comparison of J–T Coefficients of CH₄.

		experiment	empirical formula		SRK-EOS		PR-EOS		BWRS-EOS
p (MPa)	T (K)	μ_EX (K/MPa)	μ_EF (K/MPa)	e_EF (%)	μ_SRK (K/MPa)	e_SRK (%)	μ_PR (K/MPa)	e_PR (%)	μ_BWRS (K/MPa)	e_BWRS (%)
1.0	250	6.139	6.621	7.85	7.205	17.36	6.819	11.08	6.276	2.23
	275	5.155	5.443	5.59	6.067	17.69	5.744	11.43	5.150	0.10
	300	4.354	4.518	3.77	5.147	18.21	4.874	11.94	4.285	1.58
	350	3.085	3.200	3.73	3.763	21.98	3.565	15.56	3.058	0.88
3.0	250	6.013	5.777	3.92	6.796	13.02	6.580	9.43	6.193	2.99
	275	5.012	4.896	2.31	5.657	12.87	5.474	9.22	5.048	0.72
	300	4.193	4.131	1.48	4.765	13.64	4.613	10.02	4.178	0.36
	350	2.958	2.962	0.14	3.455	16.80	3.351	13.29	2.954	0.14
5.0	250	5.710	4.898	14.22	6.204	8.65	6.138	7.50	5.942	4.06
	275	4.781	4.349	9.04	5.168	8.09	5.098	6.63	4.840	1.23
	300	3.994	3.752	6.06	4.351	8.94	4.293	7.49	4.000	0.15
	350	2.811	2.733	2.77	3.153	12.17	3.119	10.96	2.817	0.21
10.0	250	4.048	3.097	23.49	3.959	2.20	4.051	0.07	4.066	0.44
	275	3.713	3.192	14.03	3.686	0.73	3.748	0.94	3.736	0.62
	300	3.244	2.920	9.99	3.249	0.15	3.306	1.91	3.236	0.25
	350	2.353	2.214	5.91	2.443	3.82	2.504	6.42	2.384	1.32
15.0	250	2.043 ± 0.01	2.649	29.03	2.036	0.00	2.095	2.05	2.083	1.46
	275	2.389	2.553	6.86	2.299	3.77	2.361	1.17	2.360	1.21
	300	2.327	2.358	1.33	2.239	3.78	2.307	0.86	2.285	1.80
	350	1.854	1.789	3.51	1.833	1.13	1.915	3.29	1.822	1.73
17.5	275	1.82 ± 0.03	2.397	29.57	1.788	0.61	1.837	0.00	1.846	0.00
17.5	300	1.91 ± 0.03	2.166	11.65	1.828	2.77	1.889	0.00	1.874	0.32
20.0	300	1.544 ± 0.023	2.011	28.33	1.489	2.10	1.538	0.00	1.536	0.00
20.0	350	1.398 ± 0.021	1.445	1.83	1.346	2.25	1.418	0.00	1.350	1.96
e_ave				9.43		8.03		5.89		1.07

Table 2. Comparison of J–T Coefficients of CH4.