A comparative study between Helmholtz and entropy scaling approaches for viscosity of natural gas mixtures based on the GERG-2008 equation of state

Theran-Becerra, Oscar I.; Benelli, Federico E.; Cismondi-Duarte, Martín

doi:10.1016/j.fluid.2023.113906

Fluid Phase Equilibria

2023

DOI: 10.1016/j.fluid.2023.113906

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A comparative study between Helmholtz and entropy scaling approaches for viscosity of natural gas mixtures based on the GERG-2008 equation of state

Oscar I. Theran-Becerra,

Federico E. Benelli,

Martín Cismondi-Duarte

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Viscosity Measurements on Natural Gas: Re-evaluation

Herrmann,

Vogel

2023

Int J Thermophys

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Previous experimental viscosity data for natural gas, published by Schley et al. (Int J Thermophys 25:1623, 2004) and originally obtained using a vibrating-wire viscometer in the temperature range between 260 K and 320 K, were re-evaluated after an improved re-calibration. For this purpose, a new reference value for the viscosity of argon at 298.15 K and at zero density, proposed by Vogel et al. (Mol Phys 108:3335, 2010) and further updated by Hellmann (Private communication, University of the Federal Armed Forces Hamburg, Hamburg, 2020), was applied. In addition, the density computed from the measured temperatures and pressures was determined using the equation of state by Kunz and Wagner (J Chem Eng Data 57:3032, 2012) instead of employing a calculation according to the International Standard ISO 12213 nowadays out of date.

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Viscosity Measurements on Natural Gas: Re-evaluation

Herrmann,

Vogel

2023

Int J Thermophys

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A comparative study between Helmholtz and entropy scaling approaches for viscosity of natural gas mixtures based on the GERG-2008 equation of state

Cited by 1 publication

References 71 publications

Viscosity Measurements on Natural Gas: Re-evaluation

Viscosity Measurements on Natural Gas: Re-evaluation

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