Lemmon, E.
and Starling, K.
(2003),
Speed of Sound and Other Related Thermodynamic Properties Calculated From the AGA8 Detail Characterization Method, Proceedings of the AGA 2003 Operations & Engineering Conference, Orlando, FL, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=831870
(Accessed October 9, 2025)
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Speed of Sound and Other Related Thermodynamic Properties Calculated From the AGA8 Detail Characterization Method
Published
Author(s)
, K. E. Starling
Abstract
The AGA8 Detail Characterization Method allows for the calculation of the compressibility factor (or pressure) for a natural gas mixture given known conditions of density and temperature. Iterative procedures can be used to calculate the density when the pressure and temperature are known. Other therm-odynamic properties such as the speed of sound, heat capacities, enthalpies,entropies can be calculated from the AGA8 model if it is expressed in terms of its Helmholtz energy counterpart. In addition equations for the ideal gas heat capacity are required for each of the constituents in the mixture. All required equations andcoefficients are outlined here.Proceedings Title
Proceedings of the AGA 2003 Operations & Engineering Conference
Conference Dates
April 28, 2003
Conference Location
Orlando, FL
Conference Title
AGA s 2003 Operations & Engineering Conference
Pub Type
Conferences
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Keywords
AGA8, compressibility factor, natural gas, speed of sound, thermodynamic properties
Citation
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Created November 19, 2003, Updated June 2, 2021