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Study on Turbopump-Gas Generator Open-Loop Coupled Test

터보펌프-가스발생기 개회로 연계시험 연구

  • Kim, Seung-Han (Dept. of Rocket Engine, Korea Aerospace Research Institute) ;
  • Nam, Chang-Ho (Dept. of Rocket Engine, Korea Aerospace Research Institute) ;
  • Kim, Cheul-Woong (Dept. of Rocket Engine, Korea Aerospace Research Institute) ;
  • Moon, Yoon-Wan (Dept. of Rocket Engine, Korea Aerospace Research Institute) ;
  • Seol, Woo-Seok (Dept. of Rocket Engine, Korea Aerospace Research Institute)
  • 김승한 (한국항공우주연구원 발사체엔진팀) ;
  • 남창호 (한국항공우주연구원 발사체엔진팀) ;
  • 김철웅 (한국항공우주연구원 발사체엔진팀) ;
  • 문윤완 (한국항공우주연구원 발사체엔진팀) ;
  • 설우석 (한국항공우주연구원 발사체엔진팀)
  • Received : 2009.12.28
  • Accepted : 2010.03.16
  • Published : 2010.05.01

Abstract

Turbopump-gas generator open-loop coupled tests are performed during the development of a 30tonf-LOx/Kerosene rocket engine. In the turbopump-gas generator open-loop tests, the propellants to gas generator are supplied from the outlets of turbopump, while the gas exhausted from the gas generator is vented out to the atmosphere, instead of being used to turbine driving. This paper presents the objectives, procedure, and results of the open-loop coupled test, in addition to a schematic representation of the test apparatus and the operating conditions for the test facility system and control system. The results of turbopump-gas generator open-loop coupled test confirm chill-down procedure, startup characteristics, nominal operability and smooth shutdown of the open-loop coupled Test Plant in test conditions simulating engine system operation environment.

30톤급 액체산소/케로신 액체로켓엔진개발의 중간단계로 터보펌프-가스발생기 개회로 연계시험이 수행되었다. 터보펌프-가스발생기 개회로 연계시험은 엔진시스템 작동 모사 환경 시험으로서 가스발생기로의 추진제는 터보펌프 출구를 통해 공급되지만, 가스발생기 출구 가스는 터빈 구동에 이용되지 않고 외부로 배출된다. 터보펌프-가스발생기 개회로 연계시험 목적, 시험설비 구성, 제어시스템의 작동 조건, 시험 수행 절차, 연계시험기의 구성 형태, 개회로 연계시험 결과가 제시되었다. 터보펌프-가스발생기 개회로 연계시험 결과, 연계시험기의 예냉 절차와 시동 특성, 정격 작동성 및 안정적인 종료 특성이 액체로켓 엔진시스템 작동 환경 모사 조건에서 확인되었다.

Keywords

References

  1. Kim Seung-Han, Han Young-Min, Seong-Hyeon Seo, Il-Yoon Moon, Kwang-Jin Lee, Jong-Kyu Kim, Ju-Young Song, In-Tae Kim, Woo-Seok Seol and Soo-Yong Lee, 2004, “Development of 1.5MW Full-scalle Gas Generator for Liquid Rocket Engine,” the Fifth symposium on Space Launch Vehicle, pp. 74-81.
  2. Kim Seung-Han, Nam Chang-Ho, Kim Cheol-Woong and Seol Woo-Seok, 2006, “Design of Turbopump+Gas Generator Coupled Test,” Proceedings of the 2006 KSPE(Korean Society of Propulsion Engineers) Fall Conference, pp. 196-200.
  3. Kim Seung-Han, Nam Chang-Ho, Kim Cheol-Woong, Moon Yoonwan and Seol Woo-Seok, 2008, “Turbopump+Gas Generator Cold Flow Test,” Proceeding of the 2008 KSAS Fall Conference, pp. 863-866.
  4. Kim Seung-Han, Nam Chang-Ho, Kim Cheol-Woong, Moon Yoonwan and Seol Woo-Seok, 2008, “Turbopump+Gas Generator Startup Simulation Cold Flow Test," Proceeding of the 2008 KSAS Fall Conference, pp. 859-862.
  5. Kim Seung-Han, Nam Chang-Ho, Kim Cheol-Woong and Seol Woo-Seok, 2006, “Turbopump+Gas Generator Open-loop Coupled Test,” Proceedings of the 2008 KSPE(Korean Society of Propulsion Engineers) Fall Conference, pp. 125-128.