항공우주시스템공학회지 (Journal of Aerospace System Engineering)

  • 제9권2호
  • /
  • Pages.34-40
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  • 2015
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  • 1976-6300(pISSN)
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  • 2508-7150(eISSN)
항공우주시스템공학회 (The Society for Aerospace System Engineering)
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8톤급 다단연소 사이클 로켓엔진 연소기 혼합헤드 설계

Design of Mixing Head Part of Combustion Chamber for 8tonf Class Staged Combustion Cycle Rocket Engine

  • 김동기 (한국항공우주연구원 발사체엔진팀) ;
  • 하성업 (한국항공우주연구원 발사체엔진팀) ;
  • 문일윤 (한국항공우주연구원 발사체엔진팀) ;
  • 문인상 (한국항공우주연구원 발사체엔진팀)
  • Kim, Dongki (Rocket Engine Team, Korea Aerospace Research Institute(KARI)) ;
  • Ha, Seong up (Rocket Engine Team, Korea Aerospace Research Institute(KARI)) ;
  • Moon, Il yoon (Rocket Engine Team, Korea Aerospace Research Institute(KARI)) ;
  • Moon, Insang (Rocket Engine Team, Korea Aerospace Research Institute(KARI))
  • 투고 : 2015.04.21
  • 심사 : 2015.06.26
  • 발행 : 2015.06.30
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초록

Staged combustion cycle engines are well known to have high combustion efficiencies and specific impulse. In this study, design of mixing head part of combustion chamber for 8tonf class staged combustion cycle rocket engine (ES-08) was performed. Structural stability of the mixing head part of the combustion chamber is very important design factor because it is loaded by high temperature and high pressure of fuel and oxidizer as well as by thrust load simultaneously. Uniformity of flow distributions of the propellants to the injectors is also important factor. First, a basic configuration for the ES-08 mixing head part was designed on the basis of the structural design requirements. And then, the structural analyses were performed on the basic configuration as well as some of reinforced configurations. As the structural analyses results, the most stable configuration was selected for the ES-08 mixing head part. In order to examine the uniformity of the flow distributions of the propellants through the manifold of the mixing head, flow analysis was performed based on the selected configuration. The results of the flow analysis showed that the fuel and the oxidizer were uniformly supplied to the injector.

키워드

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