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Xilong Yin

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Numerical Investigation of Flow and Structural Characteristics of a Large High-Head Prototype Pump–Turbine during Turbine Start-Up

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By Xilong Yin, Xingxing Huang, Shaozheng Zhang, Huili Bi
| MDPI
3.1. Pump–Turbine Flow Model In this study, a prototype pump–turbine unit with a high water head is studied. Figure 3 shows the full three-dimensional fluid domain calculation model, which includes stay vanes, runner, guide vanes, the spiral case, balance pipes, and the draft tube. The rated head of the PT unit is 545 m, the rated speed is 428.6 r/min, the rated output at the rated head is 357.1 MW. There are 11 blades in the runner, 20 stay vanes, and 20 guide vanes in the pump–turbine unit.
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