Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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Technology Trends in Additively Manufactured Small Rocket Engines for Launcher Applications

발사체 소형엔진용 적층제조 기술 동향

  • Lee, Keum-Oh (Future Launcher R&D Program Office, Korea Aerospace Research Institute) ;
  • Lim, Byoungjik (Future Launcher R&D Program Office, Korea Aerospace Research Institute) ;
  • Kim, Dae-Jin (Turbopump Team, Korea Aerospace Research Institute) ;
  • Hong, Moongeun (Launcher Propulsion Control Team, Korea Aerospace Research Institute) ;
  • Lee, Keejoo (Future Launcher R&D Program Office, Korea Aerospace Research Institute)
  • Received : 2019.12.02
  • Accepted : 2020.03.10
  • Published : 2020.04.01
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Abstract

Additively manufactured, small rocket engines are perhaps the focal activities of space startups that are developing low-cost launch vehicles. Rocket engine companies such as SpaceX and Rocket Lab in the United States, Ariane Group in Europe, and IHI in Japan have already adopted the additive manufacturing process in building key components of their rocket engines. In this paper on technology trends, an existing valve housing of a rocket engine is chosen as a case study to examine the feasibility of using additively manufactured parts for rocket engines.

저비용 발사체를 개발 중인 많은 스타트업들이 소형 로켓 엔진을 확보하기 위해 적층제조 기법을 개발 중이다. 또한, 미국의 SpaceX, Rocket Lab 등을 비롯하여, 유럽의 Ariane Group, 일본의 IHI와 같은 엔진 제작업체들은 로켓 엔진의 주요부품에 적층제조를 채택하여 생산하고 있다. 본 논문에서는 적층제작기법의 타당성을 조사하기 위해서 기존 로켓 엔진의 밸브 하우징을 적층제조 하는 사례연구 결과를 소개한다.

Keywords

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