Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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Methane Engine Combustion Test Facility Construction and Preliminary Tests

메탄엔진 연소시험설비 구축 및 예비 시험들

  • Kang, Cheolwoong (School of Mechanical Engineering, Chungbuk National University) ;
  • Hwang, Donghyun (School of Mechanical Engineering, Chungbuk National University) ;
  • Ahn, Jonghyeon (School of Mechanical Engineering, Chungbuk National University) ;
  • Lee, Junseo (School of Mechanical Engineering, Chungbuk National University) ;
  • Lee, Dain (School of Mechanical Engineering, Chungbuk National University) ;
  • Ahn, Kyubok (School of Mechanical Engineering, Chungbuk National University)
  • Received : 2021.02.16
  • Accepted : 2021.04.06
  • Published : 2021.06.30
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Abstract

This paper deals with the construction of a combustion test facility and preliminary tests for hot-firing tests of a methane engine. First, the combustion test facility for a 1 kN-class thrust chamber using liquid oxygen/gas methane as propellants was designed and built. Before hot-firing tests, the cold-flow tests of each propellant line and the ignition tests of torch igniter/afterburner were performed to verify propellant supply stability of the combustion test facility, operation of the control and measurement system, and successful ignition. Finally, a preliminary hot-firing test was conducted to measure the combustion efficiency, heat flux, and combustion stability of a thrust chamber prototype. The constructed combustion test facility will be helpfully used for basic research and development of methane engine thrust chambers.

본 논문에서는 메탄엔진 연소시험을 위한 연소시험설비 구축과 예비 시험들을 다루었다. 먼저 액체산소/기체메탄을 추진제로 사용하는 1 kN급 연소기 연소시험설비를 설계 및 구축하였다. 연소시험 전 각 추진제 라인의 수류시험 및 토치 점화기/애프터버너의 점화시험을 통해 연소시험설비의 추진제 공급 안정성, 제어 및 계측시스템 작동, 성공적인 점화를 검증하였다. 마지막으로 예비 연소시험을 수행하여 연소기 시제품의 연소 효율, 열유속, 연소 안정성을 측정하였다. 구축된 연소시험설비는 메탄엔진 연소기 기초연구 및 개발에 유용하게 활용될 예정이다.

Keywords

Acknowledgement

본 논문은 과학기술정보통신부의 재원으로 한국연구재단의 지원(NRF-2018M1A3A3A02065683, NRF-2021M1A3B8077772)을 받아서 수행되었으며, 이에 감사드립니다. 연소시험설비 구축에 큰 공헌을 해 주신 서중규 상무님, 지상연 차장님이하 한양ENG 분들께 깊은 감사를 드립니다.

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