This paper describe the blade stress state of Francis turbine in the course of starting, load rejection, stalling by analysing the field test data.
本文通过分析近期的现场测试数据,给出了混流式水轮机转轮叶片在启动、甩负荷、停机三种过渡工况下的应力状态。
The basic fatigue failure characteristics have been analyzed according to the stress analysis and simulation test under inhomogeneous swallowtail between compressor disk and blade.
分析了非均匀接触下燕尾形榫头连接的应力状态,并借助于模拟试验,提出了非均匀接触导致疲劳破坏的基本痕迹特征。
Testing research of dynamic stress in turbine blade is the key for solving the crack of runners.
开展真机转轮叶片动应力试验研究是解决大型水轮机转轮开裂的关键。
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