Abstract
A conservative finite-volume method is employed for simulations of two-phase flows with a two-fluid model using separate conservation equations for each fluid. The mathematical model is based on ensemble- and phase-averaged transport equations and a set of simple constitutive laws for interfacial phenomena. The equation system is solved iteratively and in a segregated manner with the IPSA and PEA algorithms developed by Spalding [7]. The method is verified by comparison with analytical solutions and experimental data for one-dimensional steady and unsteady two-phase flows. A formal solution error estimation procedure based on extrapolation techniques is employed to assess the numerical accuracy of the results.
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