Article | REF: K535 V1

Thermodynamic constants - Thermodynamic data for fluids

Author: Jean GOSSE

Publication date: June 10, 1990

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3. Corresponding states

The principle of corresponding states enunciated by Van der Waals almost a century ago is too simple to represent all fluids solely by considering the reduced pressure p + = p /p c and the reduced temperature T + = T /T c , p c and T c being the pressure and absolute temperature at the critical point.

3.1 Acentric factor

Riedel proposed an additional dimensionless parameter α c which is related to the slope of the liquid-vapor equilibrium curve...

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Corresponding states
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