航天推进技术研究院主办
[1]梁树强,覃粒子,林震,等.高室压脉冲推力器设计与实验研究[J].火箭推进,2009,35(04):8-13.
Liang Shuqiang,Qin Lizi,Lin Zhen,et al.Design and experiment of a pulse thruster with high combustion chamber pressure[J].Journal of Rocket Propulsion,2009,35(04):8-13.
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Liang Shuqiang,Qin Lizi,Lin Zhen,et al.Design and experiment of a pulse thruster with high combustion chamber pressure[J].Journal of Rocket Propulsion,2009,35(04):8-13.
高室压脉冲推力器设计与实验研究
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
35
期数:
2009年04期
页码:
8-13
栏目:
研究与设计
出版日期:
2009-08-28
- Title:
- Design and experiment of a pulse thruster with high combustion chamber pressure
- Keywords:
- pulse thruster; design; dynamic sealing; experiment
- 分类号:
- V433.9
- 文献标志码:
- A
- 摘要:
- 为了检验高室压脉冲推力器的设计并掌握液体N20／酒精推进剂的点火燃烧规 律，进行了实验研究。可移动喷注器的动密封采用O型圈结构，推进剂的流动通道既能保证 充填时推进剂的流通，又能保证挤压时不会有回流。冷试结果表明密封效果良好。测定了系 统的热试时序，实现了稳态条件下的点火燃烧，燃烧室压力为2．58MPa。由于液体N20的饱 和蒸汽压较高，容易蒸发，积存在燃烧室内的蒸气造成点火压力峰比较高。
- Abstract:
- In order to verify the design of a pulse thruster with high combustion chamber pressure and grasp the combustion characteristic of liquid N20／alcohol，the experiments were carried out．Using O-ring as dynamic sealing of the moving injector．The propellant flow paths ensure pro— pellants flowing from manifold cavities to extrusion cavities without propellants count-flow．Accord— ing to the test results，the sealing of O-rings works well．The time sequence was measured，and the ignition was achieved．The combustion chamber pressure Was 2．58MPa．The ignition pressure peak was high because of N20 having high saturation vapor pressure．
参考文献/References:
[l]Koppel C，Gallier P．Status of a Miniaturized Pulse
Thruster Test[R]．AIAA 99—2591．
[2]Edward．Pulse Combustion Rockets for Space Propulsion
Applications[R]．AIAA 2003-1 174．
[3]王积伟，童宏甲，黄谊．液压与气压传动[M]．北京：机
械工业出版社．2005．
[4]高思秘主编．液体推进剂[M]．北京：宇航出版社，1991．
[5]贾月，张浩，李亚．一氧化二氮无毒推进剂催化分解研
究[J]．火箭推进，2008，34(3)：58—62．
[6]霍雪亮，韦迪，李路明．N20单组元推进器预热过程的
建模[J]．推进技术，2005，26(1)：80—83．
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备注/Memo
收稿日期：2009-03-26；修回日期：20019—05—15。基金项目：国家自然科学基金(50706003)。 作者简介：梁树强(1982一)，男，博士生，主要研究领域为液体火箭发动机研究。
更新日期/Last Update:
1900-01-01