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AGA REPORT #8 P2

Thermodynamic Properties of Natural Gas and Related Gases GERG–2008 Equation of State

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Organization: AGA
Publication Date: 1 April 2017
Status: active
Page Count: 60
scope:

Part 2 presents information for computation of thermodynamic properties, including compressibility factors, densities, and speeds of sound, of natural gas and related gases, for gaseous states, vapor-liquid equilibrium states, and liquid states, based on the GERG-2008 equation of state [1,2]. It also improves upon the performance of the AGA 8 DETAIL equation [3] for gas-phase properties, especially at high pressures and low temperatures. The ranges of temperature, pressure, and composition for which the GERG-2008 equation of state applies are much wider than the AGA 8 DETAIL equation. Uncertainty estimations for different compositions, pressures, and temperatures are given. With the availability of vapor-liquid equilibrium and liquid state calculations, Part 2 enables the calculation of dew points, bubble points, and the critical point.

Document History

AGA REPORT #8 P2
April 1, 2017
Thermodynamic Properties of Natural Gas and Related Gases GERG–2008 Equation of State
Part 2 presents information for computation of thermodynamic properties, including compressibility factors, densities, and speeds of sound, of natural gas and related gases, for gaseous states,...

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