Transport Phenomena Fundamentals, 4th Edition

Appendix F: Thermal and Transport Properties of Materials

Table F.1 Diffusion Coefficients in Gases [1,2]

Gas Pair		Diffusion Coefficient (× 105 m2/s)	Temperature (K)
Air	Benzene	0.96	298.2
Butanol	0.87	299.1
CH4	1.96	273
CO2	1.42	276.2
Ethanol	1.02	273
H2	6.11	273
H2O	2.6	298.2
n-Hexane	0.80	294
H2	Cyclohexane	3.19	288.6
D2	10.24	288.2
Ethane	5.37	298
H2O	9.15	307.1
He	11.32	298.2
n-Butane	3.61	287.9
O2	6.97	273
N2	Ethane	1.48	298
H2O	2.56	307.5
He	6.87	298
O2	Benzene	1.01	311.3
H2O	2.82	308.1
He	7.29	298
n-Hexane	0.75	288.6

Table F.2 Diffusion Coefficients in Water at Infinite Dilution [3,4]

Solute	Diffusion Coefficient (× 109 m2/s)	Temperature ...