Extended corresponding states equation of state for natural gas systems

J. F. Estela-Uribe; J. P.M. Trusler

doi:10.1016/S0378-3812(01)00417-4

Extended corresponding states equation of state for natural gas systems

J. F. Estela-Uribe, J. P.M. Trusler

Imperial College London

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

We present an extended corresponded states model for the prediction of thermodynamic properties of natural gas systems. This model is based on shape factors expressed as generalised functions of the reduced temperature and density, the acentric factor and the critical compression factor. A single set of coefficients was optimised for 12 major components of natural gases. The extension to multicomponent systems was carried out according to the one-fluid model with temperature- and density-dependent binary interaction parameters. Compression factors and speeds of sound of natural gases were predicted with average deviations within ±0.036%.

Original language	English
Pages (from-to)	21-29
Number of pages	9
Journal	Fluid Phase Equilibria
Volume	183-184
DOIs	https://doi.org/10.1016/S0378-3812(01)00417-4
State	Published - 01 Jul 2001

Keywords

Compressibility factor
Corresponding states
Density
Equation of state
Natural gas
Speed of sound

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10.1016/S0378-3812(01)00417-4

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AU - Trusler, J. P.M.

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N2 - We present an extended corresponded states model for the prediction of thermodynamic properties of natural gas systems. This model is based on shape factors expressed as generalised functions of the reduced temperature and density, the acentric factor and the critical compression factor. A single set of coefficients was optimised for 12 major components of natural gases. The extension to multicomponent systems was carried out according to the one-fluid model with temperature- and density-dependent binary interaction parameters. Compression factors and speeds of sound of natural gases were predicted with average deviations within ±0.036%.

AB - We present an extended corresponded states model for the prediction of thermodynamic properties of natural gas systems. This model is based on shape factors expressed as generalised functions of the reduced temperature and density, the acentric factor and the critical compression factor. A single set of coefficients was optimised for 12 major components of natural gases. The extension to multicomponent systems was carried out according to the one-fluid model with temperature- and density-dependent binary interaction parameters. Compression factors and speeds of sound of natural gases were predicted with average deviations within ±0.036%.

KW - Compressibility factor

KW - Corresponding states

KW - Density

KW - Equation of state

KW - Natural gas

KW - Speed of sound

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DO - 10.1016/S0378-3812(01)00417-4

M3 - Article

AN - SCOPUS:0035384686

SN - 0378-3812

VL - 183-184

SP - 21

EP - 29

JO - Fluid Phase Equilibria

JF - Fluid Phase Equilibria

ER -

Extended corresponding states equation of state for natural gas systems

Abstract

Keywords

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