Crossover equation of state for the thermodynamic properties of mixtures of methane and ethane in the critical region

We present an equation of state for the thermodynamic properties of mixtures of methane and ethane in the critical region that incorporates the crossover from singular thermodynamic behavior near the locus of vapor-liquid critical points to regular thermodynamic behavior outside the critical region....

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Veröffentlicht in:	International Journal of Thermophysics 1996-07, Vol.17 (4), p.909-944
Hauptverfasser:	POVODYREV, A. A, JIN, G. X, KISELEV, S. B, SENGERS, J. V
Format:	Artikel
Sprache:	eng
Schlagworte:	02 PETROLEUM 03 NATURAL GAS 40 CHEMISTRY BINARY MIXTURES Condensed matter: structure, mechanical and thermal properties CRITICAL PRESSURE CRITICAL TEMPERATURE EQUATIONS OF STATE Equations of state of gases Equations of state of specific substances Equations of state, phase equilibria, and phase transitions Ethane Exact sciences and technology Liquid-vapor transitions METHANE Physics Specific phase transitions THERMODYNAMIC PROPERTIES
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Beschreibung
Zusammenfassung:	We present an equation of state for the thermodynamic properties of mixtures of methane and ethane in the critical region that incorporates the crossover from singular thermodynamic behavior near the locus of vapor-liquid critical points to regular thermodynamic behavior outside the critical region. The equation of state yields a satisfactory representation of the thermodynamic-property data for the mixtures in a large range of temperatures and densities.
ISSN:	0195-928X 1572-9567
DOI:	10.1007/BF01439196