SHERP

Numerical Simulation of Homogeneous Equilibrium Two-Phase Flows with Shock-Stable Schemes

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Authors
Ihm, Seung-Won; Hong, Seok Woo; Han, Sangho; Kim, Chongam
Issue Date
2007-06
Publisher
American Institute of Aeronautics and Astronautics
Citation
AIAA-7-4457,18th AIAA Computational Fluid Dynamics, Miami, FL, June, 2007
Abstract
In this paper, we introduce the two-phase versions of shock-stable schemes, RoeM and AUSMPW+, for the computation of compressible gas-liquid two-phase mixture flows. From the mixture EOS, we derived and evaluated a new shock discontinuity sensing term, which is commonly used in RoeM and AUSMPW+ for the stable numerical flux calculation. And the developed two-phase RoeM and AUSMPW+ are preconditioned for the simulation of all Mach number flows, which are generally of interest for many gas-liquid two-phase applications due to the large variation in a speed of sound. Developed schemes are applied on several liquid-gas, large property discrepancy two-phase test problems from highly compressible to nearly incompressible flow conditions, and the numerical results show their accurate and robust behavior for all speed two-phase flows.
Language
English
URI
http://hdl.handle.net/10371/6403
DOI
https://doi.org/10.2514/6.2007-4457
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Others_기계항공공학부
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