Journal of Aerospace System Engineering (항공우주시스템공학회지)

The Society for Aerospace System Engineering (항공우주시스템공학회)
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A Study on Means of Compliance for Lightning Protection in the System and Structure of Air Vehicles

비행체 시스템과 구조물의 낙뢰 보호 적합성 입증방법에 관한 고찰

  • Received : 2020.03.09
  • Accepted : 2020.03.24
  • Published : 2020.03.31
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Abstract

The average probability of a lightning strike to transport aircraft operating in airline service has been estimated to be approximately one strike in every year (or one strike per 1,000 through 20,000 flight hours). The important thing is not the probability of a lightning strike to aircraft, but the fact that aircraft is struck by lightning. Therefore, lightning protection design for aircraft should be qualified and compliance with airworthiness standards related to lightning protection must be substantiated in the process of certification. In this paper, I studied means of compliance for lightning protection through analysis of some test cases, including the KC-100 airplane that firstly obtained civil type certificate in Korea. Based on this paper, it will be also necessary to study on the effect of lightning for space launch vehicles.

항공사에서 운용되는 수송급 항공기는 평균적으로 연 1회(또는 1,000~20,000 비행시간 당 1회) 낙뢰에 피격되는 것으로 추정된다. 그러나 피격 확률이 중요한 것이 아니라 항공기가 낙뢰에 피격된다는 사실이 중요하다. 그러므로 인증 과정에서 항공기의 낙뢰보호설계가 검증되고 낙뢰 관련 감항기준에 대한 적합성이 입증되어야 한다. 본 논문에서는 우선적으로 우리나라 최초로 민간 형식증명을 획득한 KC-100 비행기 및 일부 시험 사례 분석을 통해 낙뢰에 대한 적합성 입증방법을 고찰하였다. 향후 본 논문을 바탕으로 우주발사체에 대한 낙뢰 영향성도 고찰해 볼 필요가 있다.

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References

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