Measuring and testing – Gas analysis – By vibration
Patent
1997-07-30
1999-08-03
Williams, Hezron
Measuring and testing
Gas analysis
By vibration
73 2328, G01N 900, G01N 2902, G01F 1504
Patent
active
059327936
ABSTRACT:
The instant invention relates to a method and apparatus to determine the thermodynamic properties of a gas medium without making a determination of gas composition. In the instant invention, the pressure and speed of sound of a gas medium in a vessel are determined at multiple temperature points. According to the preferred embodiment, this information may be on a single isochore. Once the physical information is determined, an interpolation routine is executed by which initial estimated parameters such as the density and the compressibility of the gas medium will converge to accurate values. From these parameters, the thermophysical properties of the gas medium may be determined.
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Beyerlein Steve
Dayton Troy
Goodwin Anthony R. H.
Savidge Jeffrey L.
Gas Research Institute
Wiggins J. David
Williams Hezron
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