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Title: Viscosity of methane, hydrogen, and four mixtures of methane and hydrogen from -100/sup 0/C to 0/sup 0/C at high pressures

Journal Article · · J. Chem. Eng. Data; (United States)
DOI:https://doi.org/10.1021/je60071a010· OSTI ID:6715682

Rice University used the absolute capillary method to measure the viscosity of methane, hydrogen, and mixtures (nominally 20, 40, 60, and 80% hydrogen) at 0, -50, -75, and -100/sup 0/C at pressures from 4 up to 450 to 500 atm. The maximum probable error of the calculated viscosity is estimated to be 0.5%. The viscosity data were fit by the least-squares method to give 1.193 +- 0.034 for the Hagenbach factor for the kinetic correction in the vicosity formula. The residual-viscosity concept was obeyed within +- 1% except for hydrogen and the 80% hydrogen mixture. The deviations for these are attributed to first-order quantum effects.

OSTI ID:
6715682
Journal Information:
J. Chem. Eng. Data; (United States), Vol. 21
Country of Publication:
United States
Language:
English