高温高压超声速气液两相流场数值模拟

芮守祯; 邢玉明; 梁材

高温高压超声速气液两相流场数值模拟

1.
北京航空航天大学航空科学与工程学院,北京 100191
2.
中国船舶重工集团公司第713研究所, 郑州 450015

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出版历程
- 收稿日期: 2010-07-02
- 修回日期: 2010-08-25
- 刊出日期: 2011-05-28

Numerical simulation of gas-liquid two-phase flow in high temperature and high pressure supersonic cross flow

1.
School of Aeronautics Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
2.
The 713th Research Institute, China Shipbuilding Industry Corporation, Zhengzhou 450015, China

摘要

摘要: 采用欧拉-拉格朗日方法对燃气-蒸汽发射动力装置内高温高压超声速燃气中横向喷雾的气液两相流进行了数值模拟研究,气相采用RK(Runge-Kutta)-AUSM+(advection upstream splitting method+)格式求解Navier-Stokes方程,液相应用颗粒轨道模型,两相之间的耦合通过在气相各守恒方程中添加源项来实现.针对不同的喷水孔径、喷水压差以及水气质量比进行了数值模拟计算,分析了各种条件下的液滴蒸发情况以及对气相流场和能量输出的影响,为燃气-蒸汽发射动力装置的设计优化和能量调节技术提供了理论依据.
- 超声速 /
- 喷雾 /
- 蒸发 /
- 两相流 /
- 数值模拟
Abstract: An Euler-Lagrange method was used to describe gas-liquid two-phase flow in high temperature and high pressure supersonic cross flow of gas-steam launching system.The gas phase flow field was simulated by solving the Navier-Stokes equations using RK (Runge-Kutta)-AUSM+ (advection upstream splitting method+) scheme.A particle trajectory model was used to represent the liquid phase.The source terms were added to the gas phase conservation equations to simulate the coupling of two-phase.Several applications were calculated to analyze the droplet evaporation and the influence on gas flow field and energy output.The conclusions are useful to design and optimize the gas-steam launching system and energy regulation.
- supersonic /
- spray /
- evaporation /
- two-phase flow /
- numerical simulation

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参考文献(13)

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