Property value estimation for inhaled therapeutic binary gas mixtures: He, Xe, N2O, and N2 with O2

Medical Gas Research

Table 2 He-O₂ property values at 20°C and 1 atm.

He Mole Fraction	ρ (kg/m³)	μ × 10⁵ (kg/s-m)	λ (n m)	k (W/m-K)	c_p (J/kg-K)	$D_{H_{2} O}$ × 10⁵ (m²/s)	$D_{C O_{2}}$ × 10⁵ (m²/s)
0	1.330	2.029	70.561	0.026	917.5	2.551	1.573
0.05	1.272	2.040	72.547	0.029	945.5	2.641	1.632
0.10	1.214	2.051	74.673	0.032	976.1	2.739	1.695
0.15	1.156	2.063	76.954	0.035	1009.8	2.844	1.764
0.20	1.098	2.074	79.409	0.039	1047.1	2.957	1.838
0.25	1.039	2.086	82.057	0.043	1088.6	3.080	1.919
0.30	0.981	2.097	84.924	0.047	1135.0	3.214	2.007
0.35	0.923	2.109	88.038	0.051	1187.3	3.359	2.104
0.40	0.865	2.120	91.432	0.055	1246.6	3.519	2.210
0.45	0.807	2.131	95.148	0.060	1314.4	3.694	2.328
0.50	0.748	2.141	99.235	0.066	1392.8	3.888	2.459
0.55	0.690	2.149	103.751	0.071	1484.4	4.103	2.606
0.60	0.632	2.156	108.773	0.077	1592.9	4.343	2.772
0.65	0.574	2.161	114.393	0.084	1723.4	4.613	2.960
0.70	0.516	2.162	120.735	0.091	1883.3	4.919	3.175
0.75	0.457	2.158	127.959	0.099	2084.0	5.268	3.424
0.78	0.422	2.152	132.807	0.104	2230.9	5.503	3.593
0.79	0.411	2.150	134.522	0.106	2285.5	5.585	3.653
0.80	0.399	2.147	136.291	0.108	2343.2	5.671	3.715
0.85	0.341	2.127	146.059	0.117	2690.8	6.140	4.060
0.90	0.283	2.092	157.788	0.128	3181.5	6.694	4.477
0.95	0.225	2.037	172.409	0.139	3926.4	7.359	4.988
1.0	0.166	1.952	191.912	0.152	5192.4	8.169	5.632

ISSN: 2045-9912