航天推进技术研究院主办
[1]孙海雨,刘志让.火药起动系统对发动机起动性能的影响分析[J].火箭推进,2012,38(04):32-37.
SUN Hai-yu,LIU Zhi-rang.Influence of gunpowder start system on starting performance of liquid rocket engines[J].Journal of Rocket Propulsion,2012,38(04):32-37.
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SUN Hai-yu,LIU Zhi-rang.Influence of gunpowder start system on starting performance of liquid rocket engines[J].Journal of Rocket Propulsion,2012,38(04):32-37.
火药起动系统对发动机起动性能的影响分析
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
38
期数:
2012年04期
页码:
32-37
栏目:
研究与设计
出版日期:
2012-08-15
- Title:
- Influence of gunpowder start system on starting performance of liquid rocket engines
- 文章编号:
- 1672-9374(2012)04-0032-06
- 分类号:
- V430-34
- 文献标志码:
- A
- 摘要:
- 针对采用火药起动器起动的泵压开式循环液体火箭发动机，对其起动系统进行了分析和研究。建立了液体火箭发动机火药起动器计算模型和起动系统燃气管路流场计算模型。将所建立的起动系统模型应用于发动机系统仿真，对发动机火药起动过程进行仿真，分析了起动系统中火药起动器参数和燃气管路参数对发动机起动性能的影响，确定了主要影响参数和影响规律。火药起动器火药药柱内径、火药药柱长度以及燃气管路火药起动器喷管喉部直径为强影响因素；燃气管路涡轮喷嘴喉部直径和管路出口直径在确保发动机火药起动主要工况段燃气管路流场流态为额定工况流态的前
- Abstract:
- Aiming at the pumping pressure open cycle liquid rocket engine which is started by solid start cartridge (SSC), the performance of the start system is studied in this paper. The simulated model of SSC in the start system and the numerical model of the powder gas pipeline were established to simulate the process of gunpowder start. The influence of SSC and gas pipeline parameters on start performance of engine is analyzed to ensure the main influence parameters and regular patterns. It is found that the powder quantity of SSC and the diameter of the first throat in the powder gas pipeline are the most effective factors to the engine's start characteristic. The diameter of the powder gas pipeline's second throat and the diameter of the powder gas pipeline's outlet are the least ones in the case of that the powder gas pipeline's flow field keeps rated condition. The simulated result of the start system was proven in engine hot tests.
参考文献/References:
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备注/Memo
收稿日期：2011-11-13；修回日期：2012-02-15
基金项目：国家“863”项目（2008AA7050406)
作者简介：孙海雨（1983—），男，工程师，研究领域为液体火箭发动机总体设计
更新日期/Last Update:
1900-01-01