多管吸气式两相脉冲爆震发动机实验
Experiment on multi-tube air-breathing two phase pulse detonation engine
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摘要: 研制了总长为1500mm,直径为200mm的6管并联吸气式两相脉冲爆震发动机实验器,在接近大气压条件下,以汽油为燃料、以空气为氧化剂成功进行了该发动机模型实验,实验中单爆震管最高工作频率达到35Hz,发动机整体最高工作频率达到210Hz.研究中发展了多管吸气式脉冲爆震发动机点火控 制策略,探索了不同点火控制策略对于发动机工作状态的影响规律,为将脉冲爆震发动 机用于工程实际提供了技术储备.Abstract: A six-tube air-breathing two phase pulse detonation engine (PDE) model has been developed with diameter of 200mm and a total length of 1500mm.Under nearly atmospheric pressure,a proof-of-principle experiment on the engine model was successfully performed by using liquid gasoline/air mixture.Each tube in the PDE model can operate at a repetition frequency up to 35Hz with all the tubes running at the same time experimentally.Therefore a frequency up to 210Hz was reached in the PDE model.Several ignition control strategies were developed for the multi-tube air-breathing PDE model. Some rules of how different ignition control strategies affect the engine operation have been explored.The results in the investigation supplied a technology preparation to bring PDE to production.
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Key words:
- multi-tube /
- air-breathing /
- two phase /
- detonation /
- engine
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