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Experimental Study on Propagation Characteristics of Kerosene/Air RDE with Different Diameters

Author

Listed:
  • Shida Xu

    (Science and Technology on Plasma Dynamics Laboratory, Air Force Engineering University, Xi’an 710038, China)

  • Feilong Song

    (Science and Technology on Plasma Dynamics Laboratory, Air Force Engineering University, Xi’an 710038, China)

  • Jianping Zhou

    (Science and Technology on Plasma Dynamics Laboratory, Air Force Engineering University, Xi’an 710038, China)

  • Xingkui Yang

    (Science and Technology on Plasma Dynamics Laboratory, Air Force Engineering University, Xi’an 710038, China)

  • Peng Cheng

    (Science and Technology on Plasma Dynamics Laboratory, Air Force Engineering University, Xi’an 710038, China)

Abstract

A series of experimental tests were carried out in order to study the propagation characteristics of a liquid kerosene rotating detonation engine (RDE) with different diameters. Distinguished characteristics of spatial and temporal instability were found in the large-scale RDE due to the uneven circumferential distribution of kerosene supply pressure. As for the two counter-waves detonation system, the 500 mm-diameter RDE maintains a higher detonation wave velocity due to its longer injection recovery time. However, the 220 mm-diameter RDE can obtain a larger equivalence ratio operation range, higher specific thrust, and higher specific impulse. In addition, compared with the deflagration combustion, the detonation combustion has higher chamber pressure and thrust under the same operational conditions.

Suggested Citation

  • Shida Xu & Feilong Song & Jianping Zhou & Xingkui Yang & Peng Cheng, 2022. "Experimental Study on Propagation Characteristics of Kerosene/Air RDE with Different Diameters," Energies, MDPI, vol. 15(12), pages 1-13, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:12:p:4442-:d:841982
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    References listed on IDEAS

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    1. Jan Kindracki & Krzysztof Wacko & Przemysław Woźniak & Stanisław Siatkowski & Łukasz Mężyk, 2020. "Influence of Gaseous Hydrogen Addition on Initiation of Rotating Detonation in Liquid Fuel–Air Mixtures," Energies, MDPI, vol. 13(19), pages 1-16, September.
    2. Wu, Yuwen & Zheng, Quan & Weng, Chunsheng, 2018. "An experimental study on the detonation transmission behaviours in acetylene-oxygen-argon mixtures," Energy, Elsevier, vol. 143(C), pages 554-561.
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