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

The Korean Society for Aviation and Aeronautics (한국항공운항학회)
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A Study on Failure Rate Prediction of Aircraft Gas Turbine Engine Turbine Blade

항공기 가스터빈엔진 터빈블레이드의 고장률 예측에 관한 연구

  • 김천용 (세한대학교 항공정비학과) ;
  • 최세종 (한서대학교 항공융합학부 항공정비전공)
  • Received : 2019.10.28
  • Accepted : 2019.12.03
  • Published : 2019.12.31
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Abstract

The purpose of this study is to suggest a method for the efficient preventive maintenance of aircraft gas turbine engine turbine blades. For this study, the types and characteristics of gas turbine engines and its turbine blades were studied, the turbine blade defect types that caused an In-Flight Shut Down(IFSD) were analyzed, the blade failure rate according to the blade life cycle was analyzed through the Weibull distribution, one of the statistical techniques. Through these research results, it is possible to supplement the problems of the life cycle management and maintenance method of the turbine blade, and to suggest the measures to strengthen the preventive maintenance of the turbine blade. In this analysis, when total cycle of turbine blade exceeds 18,000 cycles, the failure rate is over 98%, and then the special management measures are required.

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References

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