变截面脉冲爆震火箭发动机实验研究 |
| |
引用本文: | 严宇,范玮,严传俊,李建玲,秦红强.变截面脉冲爆震火箭发动机实验研究[J].气动实验与测量控制,2009(4):7-10. |
| |
作者姓名: | 严宇 范玮 严传俊 李建玲 秦红强 |
| |
作者单位: | 西北工业大学动力与能源学院,陕西西安710072 |
| |
基金项目: | 国家自然科学基金(50976094),教育部新世纪优秀人才计划资助(NCET-04-0960)和2008年西北工业大学本科毕业设计(论文)重点扶持项目 |
| |
摘 要: | 在8Hz频率下,以煤油为燃料,氧气为氧化剂,当量比为1.0的条件下,进行了变截面脉冲爆震火箭发动机的实验研究,其中包括等截面发动机,扩张型发动机,收敛型发动机,扩张一收敛型以及收敛一扩张型发动机。总结出了发动机横截面积变化影响爆震波传播的一些规律,得到了横截面积变化对发动机平均推力的影响。
|
关 键 词: | 脉冲爆震火箭发动机 变截面 爆震波 平均推力 |
Experimental investigation of the pulse detonation rocket engines with variable cross-section |
| |
Authors: | YAN Yu FAN Wei YAN Chuan-jun LI Jian-ling QIN Hong-qiang |
| |
Institution: | (School of Power and Engine, Northwestern Polytechnical University, Xi' an 710072, China) |
| |
Abstract: | The pulse detonation rocket engine(PDRE) with variable cross-section was investigated using kerosene as fuel and oxygen as oxidizer at the equivalence ratio 1.0 and the working frequency of 8Hz, including constant cross-section engine, divergent engine, convergent engine, divergent-convergent engine and con- vergent-divergent engine. The effect of cross-section change on the propagation process of detonation in the pulse detonation rocket engine was studied. We could also obtain the effect of cross-section change on the average thrust of engines. |
| |
Keywords: | pulse detonation rocket engine (PDRE) variable cross-section detonation wave average thrust |
本文献已被 维普 等数据库收录! |