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Selected papers from the Second International Forum on Expert Systems and Computer Simulation in Energy Engineering
March, 17-20, 1992, Erlangen, Germany

DOI: 10.1615/ICHMT.1992.ExpSystComputSimEnergEngin


ISBN Print: 1-56700-031-2

Two-Fluid Model Simulation of Two-Phase Flow Problems Using a Conservative Finite-Volume Method

pages 310-315
DOI: 10.1615/ICHMT.1992.ExpSystComputSimEnergEngin.510
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RESUMO

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 (1980). The method is verified by comparison with analytical solutions and experimental data for one-dimensional steady and unsteady 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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