calcul des paramètres de l'équation de wilson. analyse comparative des représentations d'équilibres liquide-vapeur isothermes par les modèles de wilson et nrtl computing parameters in the wilson equation. comparatrice analysis of representations of isothermal liquid-vapor equilibria by wilson and nrtl models
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ID: 129210
2006
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Abstract
Un programme de calcul des paramètres de l'équation de Wilson est mis au point. II utilise une méthode itérative de minimisation des écarts sur la pression et la composition de vapeur ou sur chaque grandeur prise séparément. Les méthodes utilisées sont testées sur neuf équilibres liquide-vapeur isothermes de mélanges binaires à déviations positives ou négatives. Les écarts moyens entre les valeurs expérimentales : - de la pression; - de la composition de la vapeur; - de l'enthalpie libre d'excès; et les valeurs calculées à partir des paramètres de Wilson sont comparés à ceux obtenus d'après le modèle NRTL.
A program has been developed for computing the parameters in the Wilson equation. It uses an iterative method of minimizing the differences in pressure and steam composition or in each magnitude token separately. The methods used are tried out on nine isothermal liquid-vapor equilibria of binary mixtures with positive or negative deviations. The mean differences between experimental values of the : - pressure; - vapor composition; - excess free enthalpy; and values computed from Wilson parameters are compared with those obtained from an NRTL model.
A program has been developed for computing the parameters in the Wilson equation. It uses an iterative method of minimizing the differences in pressure and steam composition or in each magnitude token separately. The methods used are tried out on nine isothermal liquid-vapor equilibria of binary mixtures with positive or negative deviations. The mean differences between experimental values of the : - pressure; - vapor composition; - excess free enthalpy; and values computed from Wilson parameters are compared with those obtained from an NRTL model.
| Reference Key |
h.2006oilcalcul
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|---|---|
| Authors | ;Desplanches H.;Chevalier J. L.;Llinas R. |
| Journal | addiction (abingdon, england) |
| Year | 2006 |
| DOI |
10.2516/ogst:1975034
|
| URL | |
| Keywords | Keywords not found |
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