摘要
应用正交设计方法,基于计算机仿真计算,对二硝酰胺铵(ADN)推力器的催化床长度及直径、燃烧室长度等结构参数进行了优化。以推力器推力为评价指标,利用极差分析法以及方差分析法分析了仿真优化计算结果,研究了上述结构参数对推力器性能的影响,得到催化床长度为21 mm、燃烧室长度为11.25 mm以及催化床直径为10 mm时为最优参数水平组合,与原机型对比,推力提高4.35%,并对比了优化后的ADN推力器和原机型ADN推力器内的工作过程,为ADN推力器的优化设计提供了参考。
The catalytic bed length and diameter,and combustion chamber length of ammonium dinitramide（ADN） thruster were optimized based on the orthogonal experiment method.The effects of the structural parameters mentioned above on thrust were studied by using range analysis and square difference analysis.And also the influence law on the performance of the thruster was obtained.Through these methods,the optimal parameter combination was got when the catalytic bed length was 21 mm,the combustion chamber length was 11.25 mm and the catalytic bed diameter was10 mm.Further the thrust was increased by 4.35% compared with the original performance.By comparing the differences of work process between the optimized ADN thruster and the original ADN thruster,the referential basis for the optimization design of ADN thrusters was provided.
出处
《载人航天》
CSCD
2015年第3期309-314,共6页
Manned Spaceflight
关键词
ADN推力器
仿真计算
结构参数
优化
ADN thruster
simulation calculation
structural parameter
optimization
