煤油/空气三管脉冲爆震发动机共用尾喷管研究

李建中; 王家骅; 唐豪; 潘波

煤油/空气三管脉冲爆震发动机共用尾喷管研究

1.
南京航空航天大学能源与动力学院, 南京 210016
2.
总参谋部陆航研究所直升机与发动机研究室, 北京 101114

基金项目: 国家自然科学基金(50776045);南京航空航天大学科研创新基金(Y0802-021)

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出版历程
- 收稿日期: 2007-05-17
- 修回日期: 2007-09-18
- 刊出日期: 2008-05-28

Investigation on common nozzle of triple-tube pulse detonation engine with kerosene/air

1.
College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
2.
PAL Headquarter of the General Staff Army Research Institute, Beijing 101114, China

摘要

摘要: 探索脉冲爆震-涡扇组合发动机的可行性,建立了煤油/空气三管气动阀式脉冲爆震发动机PDE试验系统,设计、加工了收敛型尾喷管和收敛-扩张型尾喷管,在三个内径100mm,长2000mm的爆震管内获得了充分发展的爆震波,成功实现总工作频率30Hz稳定时序工作,研究了三管PDE各爆震管之间爆震燃烧特性的相互影响规律.三管PDE安装共用尾喷管能够提高爆震室内压力,提高三管PDE的工作性能.研究结果为研制多管脉冲爆震发动机原理样机提供了理论依据.
- 航空、航天推进系统 /
- 脉冲爆震-涡扇组合发动机(PDTE) /
- 脉冲爆震发动机(PDE) /
- 爆震燃烧 /
- 多管 /
- 气动阀
Abstract: To explore the feasibility of pulse detonation-turbofan combined engine(PDTE), a whole test system of kerosene/air triple-tube aero-valve pulse detonation engine(PDE) was established.Aconverging nozzle and a converging-diverging nozzle were designed.Within detonation tube of 100 mm in inner diameter and 2000 mm in length,triple-tube PDEcould be operated at 30 Hz in total frequency,and the fully-developed detonation waves were successfully achieved.The effect of interaction among detonation tubes on detonation combustion properties of triple-tube pulse detonation engine was investigated.Because the detonation pressure in tube of triple-tube PDEwith common nozzle was raised,the performance of triple-tube pulse detonation engine was improved.The results lay a basis for preliminary design of practical multi-tube pulse detonation engine.
- aerospace propulsion system /
- pulse detonation-turbofan combined engine(PDTE) /
- pulse detonation engine(PDE) /
- detonative combustion /
- multi-tube /
- aero-valve

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参考文献(10)

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