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- W4361005257 abstract "Based on the solid–liquid two-phase flow model, SST k-ω model, and Lagrangian equation model of particle motion, numerical simulations of the sediment–water flow in the injector of a large Pelton turbine were conducted. The distribution rules of pressure, velocity, erosion rate, and erosion location of the injector were obtained by analyzing the sediment–water flow characteristics and sediment erosion distribution characteristics of the injector. The results revealed that the velocity distribution trend of the water inside the cylindrical jet exhibited a nonlinear distribution, and the phenomenon of “velocity deficit” occurred at the end of the needle guide and needle tip, resulting in a decrease in the jet quality of the injector. The sediment particle diameter affected the erosion rate of the needle and erosion location of the needle and nozzle port ring. This study provided guidance for sediment erosion analysis and the prediction of the utility of large Pelton turbines." @default.
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- W4361005257 date "2023-03-27" @default.
- W4361005257 modified "2023-09-28" @default.
- W4361005257 title "Analysis of Sediment and Water Flow and Erosion Characteristics of Large Pelton Turbine Injector" @default.
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- W4361005257 doi "https://doi.org/10.3390/pr11041011" @default.
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