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First Thermal and Fluids Engineering Summer Conference

ISSN: 2379-1748
ISBN: 978-1-56700-430-4

SIMULATION METHODS OF TWO-PHASE FLOW BASED ON A HYPERBOLIC TWO-FLUID MODEL

DOI: 10.1615/TFESC1.cmd.013060
pages 501-503

Moon-Sun Chung
Korea Institute of Energy Research, 152 Gajeong-ro, Yuseong-gu, Daejeon 305-343, Korea

Sung-Jae Yi
Korea Atomic Energy Research Institute, Duckjin-dong, Yuseong-gu, Daejeon, Korea


KEY WORDS: two-phase flow, two-fluid model, upwind scheme, pressure wave, kinematic wave

Abstract

Numerous upwind schemes have been developed for simulating high speed, single-phase flows and some of them proved to be very successful. However, all of these numerical schemes cannot be applied easily for two-phase flow problems due to the complexity which is relating to the interfacial phenomena between two phases of fluid. Further, we need to find an optimal numerical scheme in order to adopt the most suitable upwind method to the hyperbolic two-fluid model for two-phase flows. For these reasons, we have to compare some candidates by solving some wave propagation problems before we implement into a computer code. In this study, we will compare two upwind schemes and analyze their advantages and disadvantages.

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