| 固液混合火箭发动机仿真与优化设计 |
| |
| 引用本文： | 饶大林,郑赟韬,李新田,田辉,蔡国飙.固液混合火箭发动机仿真与优化设计[J].推进技术,2010,31(5):513-518. |
| |
| 作者姓名： | 饶大林 郑赟韬 李新田 田辉 蔡国飙 |
| |
| 作者单位： | 北京航空航天大学宇航学院,北京,100191 |
| |
| 摘 要： | 建立了固液混合火箭发动机的仿真模型和相应的单目标和多目标优化模型,编制了系统仿真程序;采用差分进化算法针对不同的优化目标对发动机的参数进行优化;针对挤压式系统建立了质量模型,在优化过程中考虑了主要部件结构质量对发动机性能的影响;针对固液发动机常用的侧面燃烧药柱编制了内弹道计算程序。以药柱几何参数、氧化剂流量、燃烧室平均工作压强和喷管扩张比等参数为设计变量,对发动机平均比冲、总质量、关机时飞行速度和密度比冲等性能参数进行优化,在Pareto分析的基础上选择了氧化剂流量、燃烧室平均工作压强和喷管扩张比对发动机性能的影响作了深入研究;最后对某型固液发动机进行了优化分析。
|
| 关 键 词： | 固液混合火箭发动机 系统仿真 内弹道 质量模型 装药设计 多目标优化 |
Simulation and optimization design of hybrid rocket motor |
| |
| RAO Da-lin,ZHENG Yun-tao,LI Xin-tian,TIAN Hui and CAI Guo-biao.Simulation and optimization design of hybrid rocket motor[J].Journal of Propulsion Technology,2010,31(5):513-518. |
| |
| Authors: | RAO Da-lin ZHENG Yun-tao LI Xin-tian TIAN Hui and CAI Guo-biao |
| |
| Institution: | RAO Da-lin,ZHENG Yun-tao,LI Xin-tian,TIAN Hui,CAI Guo-biao (School of Astronautics,Beijing Univ.of Aeronautics and Astronautics,Beijing 100191,China) |
| |
| Abstract: | The simulation model and the relevant multi-objective optimization model were established for hybrid rocket motor.A system simulation procedure was programmed.Design parameters of the system were optimized owing to different optimization objectives based on differential evolution algorithm.Weight model of gasbag pressurized system was established.Main components weights were concerned in optimization because of their influence on system performance.An interior ballistics procedure was programmed for side bu... |
| |
| Keywords: | Hybrid rocket motor System simulation Interior ballistics Weight model Grain design Multi-object optimization |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《推进技术》浏览原始摘要信息 |
| 点击此处可从《推进技术》下载免费的PDF全文 |
|
