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Modelling of a dynamic multiphase flash: the positive flashApplication to the calculation of ternary diagrams

2004
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Computers and Chemical Engineering
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A general and polyvalent model for the dynamic simulation of a vapor, liquid, liquid-liquid, vapor-liquid or vapor-liquid-liquid stage is proposed. This model is based on the τ -method introduced as a minimization problem by Han & Rangaiah (1998) for steady-state simulation. They suggested modifying the mole fraction summation such that the same set of governing equations becomes valid for all phase regions. Thanks to judicious additional switch equations, the τ -formulation is extended to

doi:10.1016/s0098-1354(04)00146-2
fatcat:kvbuxteewjhcnhoc6hfrtileoq