한국항공우주학회지 (Journal of the Korean Society for Aeronautical & Space Sciences)

  • 제50권4호
  • /
  • Pages.277-285
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  • 2022
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  • 1225-1348(pISSN)
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  • 2287-6871(eISSN)
한국항공우주학회 (The Korean Society for Aeronautical and Space Sciences)
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액체로켓 기반 2단형 소형발사체의 스테이징 및 임무설계

Staging and Mission Design of a Two-Staged Small Launch Vehicle Based on the Liquid Rocket Engine Technology

  • Seo, Daeban (Future Launcher R&D Program Office, Korea Aerospace Research Institute) ;
  • Lee, Junseong (Future Launcher R&D Program Office, Korea Aerospace Research Institute) ;
  • Lee, Keejoo (Future Launcher R&D Program Office, Korea Aerospace Research Institute) ;
  • Park, Jaesung (Future Launcher R&D Program Office, Korea Aerospace Research Institute)
  • 투고 : 2022.01.21
  • 심사 : 2022.03.21
  • 발행 : 2022.04.01
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초록

뉴스페이스 시대를 대표하는 소형위성 분야에서 발사기회에 대한 수요가 크게 증가하고 있다. 이를 위한 소형위성 전용 발사서비스를 합리적인 가격에 제공하는 것은 많은 스타트업 기업들이 추구하는 새로운 비즈니스 모델이 되고 있으며, 여기에는 저비용 부품과 대량생산, 최적화된 제작 공정이 결합된 비용 절감을 위한 혁신적인 솔루션들이 요구되고 있다. 이러한 흐름 속에서 우리나라에서도 한국항공우연구원에서 제3차 우주개발 진흥 기본계획에 따라 누리호를 통해 개발된 액체로켓엔진 기술을 기반으로 2단형 소형발사체 개발에 대비하여 핵심기술 및 비용절감 기술들을 개발하기 위한 선행기술 연구에 착수하였다. 본 논문에서는 소형위성을 위한 혁신적이며 가격 경쟁력을 가지는 것을 목표로 하는 2단형 소형발사체의 개념을 소개하고, 스테이징 설계 및 2단형 발사체의 전기체 구성안을 포함한 임무설계 결과를 기술하였다.

There has been significant increase in demand of launch opportunities from the small satellite sector that represents the new space era. Providing smallsat-dedicated launch service at an affordable price is a new business model many startup companies have pursued, which requires innovative solutions for cost reduction in combination of low cost components, volume production and optimized manufacturing. We set out a preceding study at KARI to develop a suite of critical and cost-cutting technologies in preparation for a two-staged small launch vehicle development, based on the liquid rocket engine technologies developed from the Nuri program in accordance with the 3rd master plan for national space development. In this work, we introduce the concept of a two-staged small launch vehicle that aims to be innovative and cost competitive for small satellites, and describe mission design results including staging as well as overall vehicle configuration of the launch vehicle.

키워드

과제정보

본 연구는 2단형 소형발사체 선행기술 개발 과제의 지원을 받아 수행되었습니다.

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