航天推进技术研究院主办
[1]王长辉,刘宇.塞式喷管冷流试验研究[J].火箭推进,2007,33(03):6-13.
Wang Changhui,Liu Yu.Cold flow tests of aerospike nozzles[J].Journal of Rocket Propulsion,2007,33(03):6-13.
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Wang Changhui,Liu Yu.Cold flow tests of aerospike nozzles[J].Journal of Rocket Propulsion,2007,33(03):6-13.
塞式喷管冷流试验研究
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
33
期数:
2007年03期
页码:
6-13
栏目:
研究与设计
出版日期:
2007-06-29
- Title:
- Cold flow tests of aerospike nozzles
- 分类号:
- V431
- 文献标志码:
- A
- 摘要:
- 结合试验喷管和试验数据,从高度补偿特性、底部气动特性、塞锥截短对性能的影响和塞式喷管流场等四方面,讨论了塞式喷管的性能和气动特点。试验结果表明:塞式喷管高度补偿效果明显,相对钟型喷管在低于设计高度上仍具有高性能;注入一定流量的二次流有利于提高塞式喷管性能,防止底部开闭过渡时推力较大幅度突降;底部二次流的注入使底部开闭过渡点的压比值升高,底部闭合后的压强值增大;塞式喷管型面设计不理想,将在流场中产生激波,降低塞式喷管的性能。
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更新日期/Last Update:
1900-01-01