Numerical Simulation of Long and Short Blade Francis Turbine under Sand Water Condition

China Rural Water and Hydropower ›› 2019 ›› (9) : 220-223.

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The Partical two-phase flow model was used to calculate the three-phase turbulent flow of the full-flow channel in the small-flow working condition of long-segment mixed-flow turbine of the high-salt river high-head hydropower station. The calculation results show that the low pressure zone of the runner is mainly concentrated in the blade exit area. The lowest pressure occurs at the back of the long blade near the exit. The sediment volume fraction of the head and tail of the long and short blades is high. The sandstone volume fraction is the largest, which is consistent with the sediment wear in the front exit area of the actual power plant.

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Long and short blade / Francis turbine / sandy water / Internal flow / numerical simulation

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. Numerical Simulation of Long and Short Blade Francis Turbine under Sand Water Condition. China Rural Water and Hydropower. 2019, 0(9): 220-223

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Received	Revised	Published
2019-03-18	2019-04-16	2019-09-15
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2020-01-02

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