Advanced Power Generation Systems

Appendix B

Thermophysical Properties

Table B.1

Thermodynamic Properties of Selected Substances

Substance	R	TPT	TPP	ΔHfus	NBP	ΔHboil	Pc	Tc	vc	Zc	ω	a	b
Hydrogen	4124	13.96	73.59	454.5	20.37	448.7	12.96	33.15	0.0336	3.135	− 0.2187	26,785	0.0165
Para-hydrogen	4124	13.8	70.41	432.5	20.27	446.6	12.86	32.94	0.0327	3.228	− 0.2186	26,670	0.0165
Oxygen	259.8	54.36	1.463	243	90.19	213.2	50.43	154.6	0.00217	3.661	0.0222	149,769	0.0198
Nitrogen	296.8	63.15	125.2	215.5	77.36	199.2	33.96	126.2	0.00280	3.936	0.0372	148,225	0.0240
Helium	2077	1	1	1	4.222	20.7	2.275	5.195	0.01196	3.967	− 0.385	3751	0.0147
Neon	412	24.56	432	88.16	27.11	85.77	26.8	44.49	0.00188	3.62	− 0.037	23,345	0.0107
Argon	208.1	83.81	688.9	172.2	87.3	169.4	48.63	150.7	0.00161	4.002	− 0.002	147,587	0.0200
Xenon	63.32	161.4	827.6	96.72	164.9	95.87	58.4	289.7	0.001	3.142	0.0036	454,364	0.0320
Fluorine