한국추진공학회지 (Journal of the Korean Society of Propulsion Engineers)

  • 제10권4호
  • /
  • Pages.1-10
  • /
  • 2006
  • /
  • 1226-6027(pISSN)
  • /
  • 2288-4548(eISSN)
한국추진공학회 (The Korean Society of Propulsion Engineers)
권호 표지

버블링을 이용한 추진기관 가압 시스템에서 극저온 추진제 변수의 결정

Determination of The Cryogenic Propellant Parameters at Pressurization of The Propulsion System Tank by Bubbling

  • 베르샤드스키 (한국항공우주연구원 해외유치과학자) ;
  • 정영석 (한국항공우주연구원 추진기관체계팀) ;
  • 임석희 (한국항공우주연구원 추진기관체계팀) ;
  • 조규식 (한국항공우주연구원 추진기관체계팀) ;
  • 조기주 (한국항공우주연구원 추진기관체계팀) ;
  • 강선일 (한국항공우주연구원 추진기관체계팀) ;
  • 오승협 (한국항공우주연구원 추진기관체계팀)
  • 발행 : 2006.12.30
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초록

본 논문에서는 극저온 추진제 탱크가 가스 헬륨(GHe) 버블링에 의해 가압될 때 극저온 추진제의 열역학 변수들에 대한 계산 방법을 제시하였다. 헬륨 분사를 이용한 액체 산소(LOX)와 액체 수소($LH_2$) 탱크의 가압 과정에서의 극저온 추진제 온도와 추진제로 용해되는 가스 헬륨의 질량을 분석하였다. 해석 결과를 통해 헬륨 버블링이 LOX와 $LH_2$의 열역학적 변수들에 어떻게 영향을 주는지 확인하였다. 제시된 계산 방법을 통해 가압 시스템으로써 헬륨 버블링의 실현 가능성과 헬륨 버블링을 이용한 가압 시스템의 최적화가 가능할 것이다.

In this paper, a calculation method of the thermodynamic parameters of cryogenic propellant is proposed when a cryogenic propellant tank is pressurized by gaseous helium(GHe) bubbling. Temperature of cryogenic propellant and mass of dissolved GHe into propellant were analyzed at the various operation of pressurization of tile liquid oxygen(LOX) and hydrogen($LH_2$) tank using helium bubbling. It was evaluated how the GHe bubbling influences to the thermodynamic parameters of LOX and $LH_2$ with results of the analysis. With the proposed calculation method, It will be able to confirm the feasibility of GHe bubbling as a pressurization system of cryogenic propellant tank and to optimize the pressurization system using GHe bubbling.

키워드

참고문헌

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