Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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A Study on the Characteristics of Lightning Detection over the Naro Space Center

나로우주센터 상공의 낙뢰 발생 특성 연구

  • Kim, Hong-Il (Flight Safety Technology Division, NARO Space Center, Korea Aerospace Research Institute) ;
  • Choi, Eun-Ho (Flight Safety Technology Division, NARO Space Center, Korea Aerospace Research Institute) ;
  • Suh, Sung-Ho (Flight Safety Technology Division, NARO Space Center, Korea Aerospace Research Institute) ;
  • Seo, Seong-Gyu (Department of Civil and Environmental Engineering, Chonnam National University)
  • 김홍일 (한국항공우주연구원 나로우주센터 비행안전기술부) ;
  • 최은호 (한국항공우주연구원 나로우주센터 비행안전기술부) ;
  • 서성호 (한국항공우주연구원 나로우주센터 비행안전기술부) ;
  • 서성규 (전남대학교 대학원 건설.환경공학과)
  • Received : 2022.03.03
  • Accepted : 2022.06.30
  • Published : 2022.07.31
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Abstract

The latest aerospace technology is important for the stable flight of a launch vehicle, but weather conditions on the day of launch are also one of the essential factors for successful launch campaign. If a launch vehicle is directly struck while preparing to take off from the launch pad on the day of launch or the electronic device are damaged by induced current during flight of the launch vehicle, this means launch failure and can lead to enormous national loss. Therefore, for a successful launch campaign, it is necessary to analyze the lightning detection characteristics of the Naro Space Center. In this study, the seasonal factors of the lightning that occurred over the Naro Space Center from 2003 to 2017, the influence of the polarity, and the correlation with the lightning intensity was confirmed. As a result, there was a high probability of intensive occurrence of multiple lightning strikes in summer, and a high proportion of positive (+) lightning strikes in winter. Lastly, in the distribution of the number of lightning strikes, an average of 2.0 to 2.5 negative (-) lightning strikes occurs in the coastal regions of the South and West Seas when one flash happens.

Keywords

Acknowledgement

본 연구는 한국항공우주연구원의 "우주센터 2단계 사업(FR22C00)" 의 지원으로 수행되었습니다.

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