Journal of the Korean Society for Aviation and Aeronautics (한국항공운항학회지)

The Korean Society for Aviation and Aeronautics (한국항공운항학회)
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Reliability Prediction of Hybrid Rocket Ignition System

하이브리드 로켓 점화 장치의 신뢰도 예측

  • 문근환 (한국항공대학교 대학원 항공우주 및 기계공학과) ;
  • 문희장 (한국항공대학교 항공우주 및 기계공학부) ;
  • 최주호 (한국항공대학교 항공우주 및 기계공학부) ;
  • 김진곤 (한국항공대학교 항공우주 및 기계공학부)
  • Received : 2016.11.03
  • Accepted : 2016.12.24
  • Published : 2016.12.30
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Abstract

In this study, reliability prediction of the ignition system of hybrid rocket is performed. The FMECA is preceded to the reliability prediction. To this end, the ignition system is divided into 5 components and 19 potential failure modes. The failure cause and effects are identified and criticality analysis is carried out for each failure mode, in which the criticality number is estimated using the failure rate databases. Among the numbers, the failure modes and components with higher criticality and severity are chosen and allocated with higher weighting factor. The reliability predictions are performed using the failure rate databases, from which the current ignition system is found to satisfy the target reliability.

Keywords

References

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