固冲发动机燃气发生器性能分析及参数优化  

Performance Analysis and Parameter Optimization of Gas-generator on Ducted Rocket

作　　者：喻银飞 陈雄[1] 李宏文 

机构地区：[1]南京理工大学机械工程学院,江苏南京210094 [2]晋西工业集团有限责任公司,山西太原030027

出　　处：《计算机仿真》2014年第4期73-77,共5页Computer Simulation

摘　　要：在固体火箭发动机的优化设计中,针对贫氧推进剂装药参数和发动机关键性尺寸对燃气发生器性能的影响问题,提出了一种燃气发生器优化设计的方法,建立了燃气发生器性能优化模型,并采用智能优化算法一遗传算法对燃气发生器性能进行了优化计算。最后运用MATLAB仿真得到燃气发生器性能优化参数及优化结果。优化结果表明,上述设计方案可以在有限的空间约束和压强约束下使燃气发生器达到最大的燃气流量。Addressing on the problems resulting from the influences on gas generator performance by the loading parameters and key size change, an optimization design method was presented. The influences on the gas generator performance by the loading parameters and key size change were mainly analyzed in this paper. And on this basis, we established a gas generator performance optimization model. The intelligent optimization algorithm genetic algo rithm was used to optimize the performance of the gas generator. Finally, we obtained gas generator performance optimization parameters and the optimization result in the MATLAB environment. The optimization design can make the gas generator work in a state of maximum rate of flow at the restraint of space and pressure.

关 键 词：固体火箭冲压发动机 燃气发生器 优化设计 遗传算法 

分 类 号：V448.153[航空宇航科学与技术—飞行器设计]