한국추진공학회지 (Journal of the Korean Society of Propulsion Engineers)

  • 제25권1호
  • /
  • Pages.19-28
  • /
  • 2021
  • /
  • 1226-6027(pISSN)
  • /
  • 2288-4548(eISSN)
한국추진공학회 (The Korean Society of Propulsion Engineers)
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기체 에틸렌/산소 Tri-arc 회전 데토네이션 엔진 실험연구

An Experimental Study of Tri-arc Rotating Detonation Engine Using Gaseous Ethylene/Oxygen

  • Lee, Eun Sung (Department of Aerospace Engineering, Pusan National University) ;
  • Han, Hyung-Seok (Department of Aerospace Engineering, Pusan National University) ;
  • Choi, Jeong-Yeol (Department of Aerospace Engineering, Pusan National University)
  • 투고 : 2020.04.25
  • 심사 : 2021.01.05
  • 발행 : 2021.02.28
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초록

회전 데토네이션 엔진(Rotating Detonation Engine, RDE)은 기계 장치나 유동이 아닌 데토네이션 파만이 연소실 벽을 따라 회전한다. 따라서 RDE 단면이 원형이어야 할 필요가 없으며 임의 단면의 닫힌 형상이 가능하다. 본 연구에서는 임의의 단면을 가지는 RDE의 한 가지 예로써 tri-arc 단면 형상의 RDE를 설계하였으며, 실험적으로 작동 및 성능 특성을 살펴보았다. 동압 센서와 고속카메라를 통하여 데토네이션 파의 회전을 확인하였으며, 오목 면과 볼록 면에서 질량 유량에 따른 데토네이션파의 특징을 알아보았다. 본 연구에서는 유량 조건에 따라 17.0 N에서 96.0 N의 추력 수준을 얻을 수 있었다.

In rotating detonation engine(RDE), only the detonation wave is moving around the outer wall of the combustor. Neither a mechanical part nor flow is rotating in RDE. Thus, the RDE cross section is not necessary to be circular, but arbitrary closed section is possible. A RDE of tri-arc cross section is designed and As an example of an arbitrary cross sectioned RDE, a RDE of tri-arc cross section is designed in this study, and operational and performance characteristics were examined experimentally. The rotation of the detonation wave is confirmed by dynamic pressure sensor and high-speed camera, while the characteristics of the detonation wave were investigated at the concave and convex surfaces. In the present study, the thrust level of 17.0 N to 96.0 N was obtained depending on the mass flow rate.

키워드

과제정보

본 논문은 정부(과학기술정보통신부)의 재원으로 한국연구재단 중견연구자지원사업 (NRF-2019R1A2C1004505) 및 한국연구재단 우주핵심기술개발사업 (NRF-2018M1A3A3A02065563)의 지원으로 작성되었습니다.

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