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 /pc and the reduced temperature T + = T /Tc, pc and Tc 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 p (T ) at the critical point
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Corresponding states
Interaction parameters. Generalization of the law of corresponding states
- (1) - REID (R.C.), PRAUSNITZ (J.M.), SHERWOOD (T.K.) - The properties of gases and liquids. - 688 p., bibl. nombreuses réf., New York 3e éd., McGraw Hill (*Δ) (1977).
- (2) - SVEHLA (R.A.) - Estimated viscosities and thermal conductivities of gases at high temperatures. - 119 p (contient les données )...
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