Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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Development of System Analysis Program of Liquid Rocket Engine I

액체로켓엔진 시스템 통합 해석 프로그램 개발 1

  • Lee, Sang-Bok (Department of Aerospace Engineering, Inha University) ;
  • Son, Min (Department of Aerospace Engineering, Korean Aerospace University) ;
  • Seo, Jongcheol (Department of Aerospace Engineering, Pusan National University) ;
  • Lim, Taekyu (Department of Aerospace Engineering, Inha University) ;
  • Roh, Tae-Seong (Department of Aerospace Engineering, Inha University) ;
  • Koo, Jaye (School of Mechanical and Aerospace Engineering, Korean Aerospace University) ;
  • Kim, Kuisoon (Department of Aerospace Engineering, Pusan National University)
  • Received : 2012.11.30
  • Accepted : 2013.05.22
  • Published : 2013.08.01
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Abstract

The system analysis and design program of the liquid rocket engine has been developed for preliminary conceptual design process. The program analyzes the engine system and obtains optimal design variables by optimization methods such as genetic algorithm for the higher specific impulse and thrust to weight ratio using given input parameters and requirements. For the users' convenience, the GUI has been offered. The 3-dimensional model for the visualization of results has been interconnected with the CATIA program. The results are expected to be applied to the design process of the space launch vehicle for the analysis and selection of the propulsion system.

액체로켓엔진의 초기 개념설계를 위한 시스템 통합 해석 및 설계 프로그램을 개발하였다. 개발된 프로그램은 주어진 요구조건과 입력 변수들에 대한 시스템 성능해석을 수행하고 유전 알고리즘 등의 최적화 기법을 통하여 높은 비추력과 추력중량비를 갖는 설계변수의 조합을 찾아낸다. 사용자의 편의를 위해 간단한 GUI를 구성하고 프로그램의 설계 결과는 형상 파라미터를 가시화하여 확인할 수 있도록 CATIA와 연동하여 3차원 도면으로 나타낼 수 있도록 하였다. 본 연구는 이후 우주발사체의 기본 설계에서 추진기관의 선정 및 해석 과정에 활용될 수 있을 것으로 기대된다.

Keywords

References

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