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Experimental Research on a Long-Duration Operation of a Rotating Detonation Engine

  • J. NishimuraEmail author
  • K. Ishihara
  • K. Goto
  • K. Matsuoka
  • J. Kasahara
  • A. Matsuo
  • I. Funaki
  • H. Mukae
  • K. Yasuda
  • D. Nakata
  • K. Higashino
  • H. Moriai
Conference paper

Abstract

Detonation engines have higher thermal efficiency than conventional engines. It is capable of shortening the combustor since the combustion process of detonation completes in quite a short time. Therefore, many researches on detonation engines have been conducted around the world. An RDE can be used as a kick rocket motor for deep-space exploration. However, there are some problems to be solved prior to the practical use of an RDE. One of the most critical problems is heat-transfer problem. High heat load in the combustor is expected. Thus, it is necessary to evaluate the heat-transfer characteristics of an RDE. To realize the space use of an RDE, we conducted long-duration combustion tests and vacuum tests. We succeed in 6-second and 10-second operations of an RDE using C/C composites. And from the vacuum tests, thrust performance is evaluated. We achieved 272 s of specific impulse under the low back pressure of 22.0 kPa.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • J. Nishimura
    • 1
    Email author
  • K. Ishihara
    • 1
  • K. Goto
    • 1
  • K. Matsuoka
    • 1
  • J. Kasahara
    • 1
  • A. Matsuo
    • 2
  • I. Funaki
    • 3
  • H. Mukae
    • 4
  • K. Yasuda
    • 4
  • D. Nakata
    • 4
  • K. Higashino
    • 4
  • H. Moriai
    • 5
  1. 1.Nagoya UniversityNagoyaJapan
  2. 2.Keio UniversityYokohamaJapan
  3. 3.JAXA Institute of Space and Astronautical ScienceSagamiharaJapan
  4. 4.Muroran Institute of TechnologyMuroranJapan
  5. 5.Mitsubishi Heavy Industries, Ltd.KomakiJapan

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