Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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Development Trends of Reusable Launch Vehicles

재사용 발사체 개발 동향

  • Dongho Yun (Interdisciplinary Program in Space System, Seoul National University) ;
  • Hyeontaek Jo (Department of Aerospace Engineering, Seoul National University) ;
  • Youngbin Yoon (Department of Aerospace Engineering, Seoul National University)
  • Received : 2022.12.02
  • Accepted : 2023.02.13
  • Published : 2023.04.30
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Abstract

Recently, many launch vehicles have been developed using reuse technology to secure competitiveness in the launch vehicle market. In this paper, to analyze the global development trend of reusable launch vehicles that have been actively developed recently, we investigated reusable launch vehicles that have been developed and are currently under development, and analyzed the development trend of reusable launch vehicles by country. As a result, it was confirmed that a number of reusable launch vehicles used methane as fuel, utilized 3D printing technology, and used vertical landing technology after launch. In order to secure competitiveness in the rapidly changing launch vehicle market, it is considered appropriate to focus research capabilities on the core technologies of reusable launch vehicles identified earlier.

최근 많은 발사체가 재사용 기술을 활용해 개발되어 발사체 시장에서 경쟁력을 확보하고 있다. 본 논문에서는 최근 활발하게 진행되고 있는 재사용 발사체의 세계적 개발 동향을 분석하고자, 개발되어 운용 중이거나 현재 개발 중인 재사용 발사체에 대해 조사하고, 국가별 개발 추세를 정리해 재사용 발사체 개발 동향을 분석하였다. 그 결과 다수의 재사용 발사체가 메탄을 연료로 사용하고, 3D 프린팅 기술을 활용했으며, 발사 후 수직 착륙 기술을 사용했음을 확인했다. 빠르게 변화하는 발사체 시장에서 경쟁력 확보를 위해 앞서 확인한 재사용 발사체 핵심기술에 연구 역량을 집중하는 것이 적절한 것으로 판단된다.

Keywords

Acknowledgement

본 연구는 서울대학교 미래혁신연구원과 연계된 2022년 정부(과학기술정보통신부)의 재원으로, 한국연구재단 스페이스챌린지사업(2021M1A3B8075809)의 지원과 한국연구재단의 지원(NRF-2021R1A2C2003759), 그리고 서울대학교 항공우주신기술연구소의 지원을 받아 수행된 결과입니다.

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