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介绍了汽轮机叶片可靠性的基本概念和评价指标,单个叶片、整级叶片的失效判据和失效模型,以及叶片寿命数据的统计分析方法.给出了汽轮机典型叶片可靠性分析和预测实例.
This paper introduces the basic concepts and evaluation indexes of steam turbine blade reliability, the failure criterion and failure model of single blade and whole blade, as well as the statistic analysis method of blade life data, gives examples of the reliability analysis and prediction of steam turbine blade.