Effects of the combustor width on propagation characteristics of rotating detonation waves

Wang, Zhicheng; Wang, Ke; Li, Qingan; Zhu, Yiyuan; Zhao, Minghao; Fan, Wei

doi:10.1016/j.ast.2020.106038

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Operation Boundary Of Liquid Kerosene/hot Air Rotating Deton...1

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Cited by 27 publications

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“…On the other hand, the combustion chamber's width does not match detonation wave cell size well. According to Wang's investigation, combustor widths have great influence on propagation modes of detonation waves [49]. The stability of detonation waves can be reduced when combustor widths decrease.…”

Section: Operation Boundary Of Liquid Kerosene/hot Air Rotating Deton...mentioning

confidence: 99%

Investigation of Rotating Detonation Fueled by Liquid Kerosene

Zhou

Song

et al. 2022

Energies

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The performance of rotating detonation engines (RDEs) is theoretically better than that of traditional aero engines because of self-pressurization. A type of swirl injection scheme is introduced in this paper for two-phase detonation. On the one hand, experiments are performed on continuous rotating detonation of ternary “kerosene, hydrogen and oxygen-enriched air” mixture in an annular combustor. It is found that increasing the mass fraction of hydrogen can boost the wave speed and the stability of detonation waves’ propagation. One the other hand, characteristics of kerosene–hot air RDE is investigated for engineering application. Some unstable phenomena are recorded, such as changes of the number of detonation waves, low-frequency oscillations, and sporadic detonation.

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Section: Operation Boundary Of Liquid Kerosene/hot Air Rotating Deton...mentioning

confidence: 99%