Computations of Homogeneous-Equilibrium Two-Phase Flows with Accurate and Efficient Shock-Stable Schemes

被引：29

作者：

Ihm, Seung-Won ^{[1
]}

Kim, Chongam ^{[1
]}

机构：

[1] Seoul Natl Univ, Dept Aerosp Engn, Inst Adv Aerosp Technol, Seoul 151742, South Korea

来源：

AIAA JOURNAL | 2008年 / 46卷 / 12期

关键词：

D O I：

10.2514/1.35097

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

For accurate and efficient computations of compressible gas-liquid two-phase mixture flows, the AUSMPW+ and RoeM schemes (for which the accuracy, efficiency, and robustness have been successfully demonstrated in gas dynamics) are extended to two-phase flows at all speeds. From the mixture equations of state, a new shock-discontinuity-sensing term suitably scaled for two-phase flows is derived and its performance is validated. In addition, several numerical difficulties appearing in the development of the two-phase AUSMPW+ and RoeM schemes are analyzed and successfully cured. The two-phase AUSMPW+ and RoeM schemes are then efficiently preconditioned for the simulation of all Mach number flows by employing the existing AUSM or Harten-Lax-van Leer with contact restoration types of preconditioning strategies. Various gas-liquid two-phase flows, from highly compressible to nearly incompressible flow conditions., are tested. The numerical results show the accurate and robust behavior of the proposed schemes for all speeds or two-phase flows.

引用

页码：3012 / 3037

页数：26

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