The study on flow field in front and at back of a Francis turbine runner is very important for the runner in its hydraulic design and characteristic improvement.
混流式水轮机转轮前后的流场研究对于转轮水力设计，改善其性能有着重要意义。
In this paper, the stresses analysis on prototype runner in power station and model runner proved that there is a linear relationship between blade stress and output of Francis turbine.
通过电站真机与模型转轮应力测试结果的分析证明，混流式转轮叶片应力与机组出力之(？)存在线性关系。
So it provided a scientific basis for fatigue study of Francis turbine runner.
为混流式转轮疲劳研究提供了科学依据。
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