지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 발행연도
- 2021
- 저작권
- 경상대학교 논문은 저작권에 의해 보호받습니다.
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Companies around the world are actively developing Personal Air Vehicle (PAV) to solve the serious social problem of traffic jams. Airworthiness certification for PAV is required, since it is a manned vehicle. As with aircraft, the lightning strike with strong thermal load and magnetic fields is the critical threat to the safe operation of PAV. Lightning certification issue thus remains important for PAV. Nonetheless, there are still insufficient studies on PAV-related lightning certification technologies, guidelines, and requirements.
In this study, the SAE Aerospace Recommended Practice (ARP), an international standard certification guideline recognized by the Federal Aviation Administration (FAA), was analyzed. In addition, the guideline of lightning certification was applied to PAV. The effects of lightning on different type of PAV was also analyzed based on computational methods. Two computational simulation software, COMSOL Multiphysics and CST Studio Suite, were extensively used for analysis of direct and indirect effects of lightning strike. Using COMSOL Multiphysics, the damaged area of the composite specimens of the rotor blade in PAV was evaluated through the electrical-thermal multiphysics analysis. Electric/magnetic field and surface current distribution of PAV were also analyzed using the CST Studio Suite.
In addition, a lightning strike test was conducted to check the lightning damage on composite specimens. The protection performance of each lightning protection system was then checked. Finally, the effectiveness of the computational simulation was demonstrated by comparing it with the results of lightning strike test.
In this study, the SAE Aerospace Recommended Practice (ARP), an international standard certification guideline recognized by the Federal Aviation Administration (FAA), was analyzed. In addition, the guideline of lightning certification was applied to PAV. The effects of lightning on different type of PAV was also analyzed based on computational methods. Two computational simulation software, COMSOL Multiphysics and CST Studio Suite, were extensively used for analysis of direct and indirect effects of lightning strike. Using COMSOL Multiphysics, the damaged area of the composite specimens of the rotor blade in PAV was evaluated through the electrical-thermal multiphysics analysis. Electric/magnetic field and surface current distribution of PAV were also analyzed using the CST Studio Suite.
In addition, a lightning strike test was conducted to check the lightning damage on composite specimens. The protection performance of each lightning protection system was then checked. Finally, the effectiveness of the computational simulation was demonstrated by comparing it with the results of lightning strike test.
목차
Ⅰ. 서 론 11. 연구 배경 12. 연구 목적 6Ⅱ. 본론 81. 낙뢰 현상 및 항공기 낙뢰의 특성 81) 낙뢰 현상 정의 및 우리나라 낙뢰 통계 82) 항공기 낙뢰 피격 특성 112. 회전익 항공기 낙뢰 보호 시스템 131) 낙뢰 직접 영향성 보호 시스템 132) 낙뢰 간접 영향성 보호 시스템 163. 항공기 낙뢰 인증지침 181) 항공기 낙뢰 적합성 입증절차 182) PAV 낙뢰 인증체계 수립 현황 214. PAV 낙뢰 간접 영향성 전산해석 241) PAV 개발 이력 및 해석모델 선정 242) PAV 낙뢰 초기부착지점 예측 및 피격모델 수립 273) 멀티콥터형 PAV 전기장 분포해석 결과 345. 낙뢰 피격시험 및 직접 영향성 전산해석 371) 낙뢰 피격시험 종류 및 시설선정 372) 낙뢰 시험 파형 선정 403) 복합재 낙뢰 피격시험 결과 414) 복합재 낙뢰 피격 효과 전산해석 결과 43Ⅲ. 결론 44참고 문헌 46
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