航天推进技术研究院主办
Bai Dong'an.Research on the turbo-pump performance under ultra--low operation condition[J].Journal of Rocket Propulsion,2008,34(03):13-16.
涡轮泵超低工况性能研究
- Title:
- Research on the turbo-pump performance under ultra--low operation condition
- Keywords:
- turbo-pump; variable conditions; performance research
- 分类号:
- V434.21
- 文献标志码:
- A
- 摘要:
- 对于泵压式变推力发动机和先进的冲压发动机,需要涡轮泵变工况工作,涡轮 泵变工况性能是该类发动机研究的一个重点。结合上面级验证性发动机试车,对游机涡轮泵 变工况的性能和稳定性进行分析研究。通过泵全流量特性试验和汽蚀试验,得出泵能够在额 定流量点25%处稳定工作的结论。对涡轮工况变化后的燃气参数、入口压力、出口压力及效 率进行分析.认为涡轮也能够稳定工作。给出了游机涡轮泵可以参加验证性试车的结论,并 得到了发动机试车的验证。
- Abstract:
- The capability of turbo-pump working in variable conditions is required and important for pump—pressurized variable thrust rocket engine and ramjet propulsion.Combining with a test of the upper stage rocket engine,the performance and stability of the turbo-pump at low condition are studied in this paper.Through the full flow characteristic and cavitation tests of pump,it is con— eluded that the pump can work stably in 25%rated flow condition.The analyses of gas parameter, inlet pressure,outlet pressure and efficiency of turbo under varied conditions indicated that the turbo can also work stably.The conclusions made above age verified by engine test.
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备注/Memo
收稿日期:2008一OI一14;修回日期:2008—03—20。 作者简介:白东安(1966一),男。研究员,研究领域为液体火箭发动机涡轮泵设计。