【摘要】 从载荷谱、转轮材料以及疲劳寿命估算方法等几个方面,收集和分析国内外在混流式水轮机转轮疲劳寿命研究方面取得的成果资料,提出转轮的动应力的计算和转轮材料的腐蚀疲劳特性的获取方法,是目前开展混流式水轮机转轮疲劳寿命研究方面两个有意义的课题。更多还原

【Abstract】 Texts and research results about fatigue life of Francis turbine runner are collected and analyzed,the load spectrum,material and the methods of estimating fatigue-life are involved.It is put forward that computing the dynamic stress of runner and obtaining the corrosion-fatigue characteristics of material of runner are the most significative tasks for research on the fatigue life of a Francis turbine runner.更多还原