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액체-액체 핀틀 분사기 적용 연소장치 개발 사례 분석

Analysis on the Research and Development Cases of Combustion Devices with Liquid-Liquid Pintle Injector

  • Hwang, DoKeun (Combustion Chamber Team, Korea Aerospace Research Institute) ;
  • Ryu, Chulsung (Combustion Chamber Team, Korea Aerospace Research Institute) ;
  • Kwon, Sejin (Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology)
  • 투고 : 2020.07.23
  • 심사 : 2020.12.08
  • 발행 : 2020.12.31

초록

본 연구에서 액체-액체 핀틀 분사기가 적용된 연소장치의 연구개발 사례 조사를 통해 핀틀 분사기 및 연소장치의 설계 기초자료를 제공하고자 하였다. 자료 분석 결과로 엔진 추력에 따른 연소실 및 핀틀 분사기 규격, 고효율 분사기의 형상을 확인할 수 있었다. 그밖에 핀틀팁 열손상 방지 기구와 소재, Face-shutoff 핀틀 분사기 구현 방법, 중심추진제 선정 기준 등을 정리하여 초기 핀틀 분사기 적용 연소실 설계의 기초자료로 활용하고자 한다.

This study aims to provide basic design data for a pintle injector and its combustion device through case study on the research and development of combustion devices to which a liquid-liquid pintle injector was applied. From data analysis, it was possible to provide the initial dimension of the combustion chamber and pintle injector based on the engine thrust, and the geometric characteristics of the high-efficiency injector. In addition, the pintle tip heat damage prevention mechanism and materials, face-shutoff pintle injector implementation method, and central propellant selection criteria were summarized. Theses results will be used as basic data for the design criteria of an initial pintle injector combustion device.

키워드

과제정보

본 연구는 한국항공우주연구원의 항공우주기술시드사업(FR20M26)의 지원을 통해 수행되었습니다.

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