Shear viscosity of hydrogen and helium fluids at extended regions of temperatures and pressures

I. Ali; S. M. Osman; R. N. Singh

doi:10.1016/j.jnnfm.2003.12.004

Shear viscosity of hydrogen and helium fluids at extended regions of temperatures and pressures

I. Ali, S. M. Osman, R. N. Singh

Physics

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

Shear viscosities of hydrogen (H₂) and helium (He) fluids are investigated at extended regions of temperature and pressure using an improved equation of state, in which the the long-range attractive forces are incorporated into the formalism via the double Yukawa (DY) potential fitted to the empirical H₂ and He potentials. Quantum effects, which become paramount at low temperatures, are taken into account through a first-order quantum correction based on the Wigner-kirkwood expansion. The dimerization of H₂ is treated as a hard convex body for which an equation of state can be derived based on the scaled particle theory.

Original language	English
Pages (from-to)	79-84
Number of pages	6
Journal	Journal of Non-Newtonian Fluid Mechanics
Volume	120
Issue number	1-3
DOIs	https://doi.org/10.1016/j.jnnfm.2003.12.004
Publication status	Published - Jul 1 2004

Keywords

Double Yukawa
Equation of state
Hard convex body
Helium
Hydrogen
Viscosity

ASJC Scopus subject areas

Fluid Flow and Transfer Processes

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Ali, I., Osman, S. M., & Singh, R. N. (2004). Shear viscosity of hydrogen and helium fluids at extended regions of temperatures and pressures. Journal of Non-Newtonian Fluid Mechanics, 120(1-3), 79-84. https://doi.org/10.1016/j.jnnfm.2003.12.004

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AU - Osman, S. M.

AU - Singh, R. N.

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KW - Viscosity

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