带导流片的三维环形驻涡燃烧室的数值分析  

Numerical Analysis of Three-dimensional Annular Trapped Vortex Combustor With Inducer

作　　者：俞骏 刘景源 YU Jun;LIU Jingyuan(School of Aircraft Engineering,Nanchang Hangkong University,Nanchang 330063,China)

机构地区：[1]南昌航空大学飞行器工程学院

出　　处：《弹箭与制导学报》2018年第1期55-60,共6页Journal of Projectiles,Rockets,Missiles and Guidance

基　　金：国家自然科学基金项目(11102079,11562012)资助

摘　　要：为研究带导流片的三维环形驻涡燃烧室(TVC)的性能,对不同导流片结构参数下TVC的速度大小及旋涡分布、出口温度分布、总压损失系数、燃烧效率进行了数值研究。结果表明,引入导流片的三维环形TVC,能够形成较好的双旋涡结构,增强掺混及火焰稳定,改善出口温度分布均匀性,提高燃烧效率。导流片结构参数在c/H1=0.2、e/B=0.2、b/L=0.1时燃烧室凹腔旋涡较大、燃烧效率较高(97.97%)、总压损失系数较低(3.95%)以及出口温度分布较为均匀。In order to study the performance of three dimensional annular trapped vortex combustor (TVC) with inducer,the velocity of TVC,the vortex distribution,the outlet temperature distribution,the total pressure loss coefficient and the combustion efficiency under different inducer structural parameters were analyzed numerically.The results show that introducing three dimensional annular TVC with inducer can form a better double vortex structure,enhance mixing and flame stability,improve the uniformity of outlet temperature distribution and improve combustion efficiency.When the structural parameters of the inducer are c/H 1=0.2,e/B =0.2 and b/L =0.1,the combustion chamber cavity has larger swirl,higher combustion efficiency (97.97%),lower total pressure loss coefficient (3.95%) and uniform outlet temperature distribution.

关 键 词：驻涡燃烧室 导流片 总压损失系数 燃烧效率 数值模拟 

分 类 号：V231.2[航空宇航科学与技术—航空宇航推进理论与工程]