航天推进技术研究院主办
LI Qiang,WANG Ju-jin.Analysis of performance sensitivity of hydrogen peroxide/kerosene staged-combustion engine[J].Journal of Rocket Propulsion,2013,39(05):35-40.
补燃循环过氧化氢/煤油发动机性能敏感性分析
- Title:
- Analysis of performance sensitivity of hydrogen peroxide/kerosene staged-combustion engine
- 文章编号:
- 1672-9374(2013)05-0035-06
- 分类号:
- V434-34
- 文献标志码:
- A
- 摘要:
- 针对补燃循环过氧化氢/煤油发动机性能的敏感性,采用敏感性分析方法对影响发动机性能的内外因素进行分析和评估,得到了发动机推力和混合比对不同影响因素的敏感性。研究结果表明,预燃室汽蚀管和涡轮喷嘴有效流通面积、涡轮效率和过氧化氢泵效率对发动机推力影响最大,煤油汽蚀管和过氧化氢主汽蚀管有效流通面积、煤油泵扬程和过氧化氢泵扬程对混合比影响最大。对发动机性能影响较大的因素,在工程实践中应当给予重点关注。
- Abstract:
- Aiming at the performance sensitivity of hydrogen peroxide/kerosene staged-combustion engine, the sensitivity analysis method was used to analyze and evaluate the influence of internal and external factors on the engine performance. The performance sensitivity of engine thrust and mixture ratio corresponding to the influence factors was obtained. The results show that pre-burner venturi flow area, turbine nozzle area, turbine efficiency and hydrogen peroxide pump efficiency have great effect on engine thrust; kerosene venturi flow area, hydrogen peroxide main venturi flow area, kerosene and hydroxide pump head have great effect on engine mixture ratio. In the actual engineering project, more attention should be paid to the factors that greatly affect the engine performance.
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备注/Memo
收稿日期:2013-04-24;修回日期:2013-08-24
基金项目:国家863项目(2009AA706309)
作者简介:李强(1981—),男,高级工程师,博士,研究领域为液体火箭发动机