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Study on the numerical simulation of bird strike for composite container of external auxiliary fuel tank for rotorcraft

회전익항공기 외부 보조연료탱크용 복합재 컨테이너 조류충돌 수치모사 연구

  • Received : 2017.05.10
  • Accepted : 2017.07.07
  • Published : 2017.07.31

Abstract

In urgent situations such as crashes, the integrity of an aircraft's fuel tank is directly related to the survivability of the crew. Thus, an external auxiliary fuel tank should be robust against bird strikes. In this study, a numerical analysis was carried out using impact analysis software to analyze the influence of bird strike on a composite container for an external auxiliary fuel tank. The structure was modeled as a shell element, and the fluid and bird were modeled by the particle method. The behavior of the internal fluid was also examined. The maximum stress, deformation, and strain of the composite container were also calculated.

Keywords

Auxiliary Fuel Tank;Bird Strike;Composite Container;FEM(Finite Element Method);SPH(Smoothed Particle Hydrodynamics)

Acknowledgement

Grant : 헬기 항속거리 확장용 보조연료탱크 시스템 개발

Supported by : 산업통상자원부

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