弹道学报Issue(3)：66-75,10.
旋转爆轰发动机燃烧室掺混特性数值研究
Numerical Simulation of Mixing Characteristics in Rotating Detonation Engine Combustor
摘要
Abstract
In order to research the mixing effect of the gas j et in the combustion of rotating detonation engine,three dimensional Euler equations were solved by high-resolution upwind flux split scheme(AUSMPW+).Based on an engine model with slot/hole inj ection mode,the effects of j etting parameters on mixing effectiveness were analyzed under the same equivalence ratio,such as different fuel inj ection position,inj ection angle,and unilateral or bilateral inj ection,inlet stagnation pressure and back pressure.As the injection position moves forward,the H2/Air mixing effect obviously improves.The change of the inj ection angle has a great influence on mixing effectiveness.Due to the large variations of the mixing uniformity with forward inj ection, the mixing effect in the first half of distance of the combustion chamber is worse than that of vertical inj ection and reverse inj ection,but it is better than the other two in the second half.For the inj ection method through unilateral and bilateral inj ection holes,the mixing effect of inj ection with holes from double side is significantly better than that of the unilateral inj ection.The mixing effectiveness is inversely related to inlet stagnation pressure,and it is proportional to back pres-sure.关键词
流体力学/旋转爆轰发动机/掺混/喷注/数值仿真Key words
fluid mechanics/rotating detonation engine/mixing/inj ection scheme/numerical simu-lation分类
军事科技引用本文复制引用
徐雪阳,武晓松,卓长飞,马虎..旋转爆轰发动机燃烧室掺混特性数值研究[J].弹道学报,2015,(3):66-75,10.基金项目
国家自然科学基金面上项目(51376091) （51376091）
国家自然科学青年基金项目(11402119) （11402119）
