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Volume 32 Issue 08
Aug.  2006
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Journal of Beijing University of Aeronautics and Astronautics  > 2006  >  32(08): 903-907.
Wang Dawei, Miao Xuewen, Hong Jieet al. Reliability lifetime analysis of the turbine blade of turbofan engine[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(08): 903-907. (in Chinese)
Citation: Wang Dawei, Miao Xuewen, Hong Jieet al. Reliability lifetime analysis of the turbine blade of turbofan engine[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(08): 903-907. (in Chinese)
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Reliability lifetime analysis of the turbine blade of turbofan engine

  • School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 18 Oct 2005
  • Publish Date: 31 Aug 2006
    Abstract
  • The loading spectrum is the foundation on which the life analysis of the aeroengine structure is discussed. The life usage consumption of turbine operating blade of some typical missile turbofan engine was predicted by working data processing. The life consumption models was established on which the working data was processed and the loading spectrum of the aeroengine was gained.Distribution of life consumption of the blade was discussed by the Weibull distribution model, and based on which reliability anglicizing models was established. The reliability methods of calculating the usage life by using the middle rank of incomplete life data in the statistical field were introduced. The life of the engine gradually develops with the increases of the reliability growth. Considering the time effect of the sample, the dynamic Weibull distribution model embodies the reliability growth of this engine. The analytical methods were used to estimate the engine′s reliability at research stage.

     

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  • [1] Choukairi F F, Barrault J. Use of a statisical approach to verity the cumulative damage laws in fatigue[J]. Int J Fatigue,1993 [2] 高镇同.疲劳可靠性[M].北京:北京航空航天大学出版社,2000 Gao Zhentong.Fatigue and reliability [M].Beijing:Beijing University of Aeronautics and Astronautics Press,2000(in Chinese) [3] 宋兆泓.发动机寿命研究[M].北京:航空工业出版社,1987 Song Zhaohong. Life analysis for aeroengine[M]. Beijing:Aviation Industry Press,1987(in Chinese) [4] Chou P C,Harry Miller.Maximun likelibood estimation of a two segment weibull distribution for fatigue life .ADTM STP1981,1981 [5] Abernethy R B.威布尔分析手册[M]. 北京:北京航空航天大学出版社,1992 Abernethy R B.Weibull analysis handbook[M]. Beijing:Beijing University of Aeronautics and Astronautics Press,1992(in Chinese) [6] 孔瑞莲.航空发动机可靠性工程[M].北京:航空工业出版社,1995. Kong Ruilian.Reliability engineering for aeroengine[M].Beijing:Aviation Industry Press,1995(in Chinese) [7] Misra K B.Relibility analysis and prediction[M].Amsterdam:Elsevier,1992
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