... equation, which implicitly uses the fundamental thermodynamic correlations predicting fugacity and chemical potential. 34 © BHR Group 2012 Multiphase 8 For a system of many components, the Rachford-Rice equation cannot be solved algebraically, only solved by minimizing an objective function. With the two...

... cell, in a pipeline. This pipeline segment must then be joined with other pipeline segments upstream and downstream of it to form a ‘steady-state’ model for the pipeline. objective function simple model drift-flux model small perturbation equation reference frame superficial velocity...