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http://dx.doi.org/10.5139/JKSAS.2009.37.1.001

Accurate and Robust Computations of Gas-Liquid Two-Phase Flows Part 1: Development of Shock-Stable Two-Phase Schemes  

Ihm, Seung-Won (서울대학교 기계항공공학부 대학원)
Kim, Chong-Am (서울대학교 기계항공공학부, 항공우주신기술연구소)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.37, no.1, 2009 , pp. 1-16 More about this Journal
Abstract
In this paper, we introduce two-phase versions of RoeM and AUSMPW+ schemes. Both schemes are originally developed for the gas dynamic problems, and have shown superior accuracy, efficiency and robustness. A new shock discontinuity sensing term is derived from the mixture equation of state, which is commonly used in the RoeM and AUSMPW+ schemes for the stable numerical flux calculation. The developed two-phase versions of the schemes are applied to several liquid-gas, large property discrepancy two-phase test problems, including several shock stability test problems. The results show that both schemes maintain the merits exhibited in gas dynamic problems even in two-phase flows.
Keywords
Compressible Two-Phase Flow; Shock Stability; RoeM; AUSMPW+;
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Times Cited By KSCI : 1  (Citation Analysis)
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