Three-dimensional Numerical Simulation on Hydraulic Resistance Coefficient of Surge Chamber in Multi-unit Hydropower Plant
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Abstract:
The flow pattern of surge chamber shared by the multi-unit hydropower plant is very complex. Determination of the hydraulic loss coefficient by the model experiments is time-consuming and expensive. In this paper, the FLUNT software was applied to conduct numerical simulation of the hydraulic resistance coefficient of a surge chamber shared by the multi-unit hydropower plant under the combined operation conditions of two typical working conditions and different number of units. The numerical simulation results were compared with those obtained from the physical model experiments, which suggested that the numerical method is feasible to determine the hydraulic resistance coefficient of a surge chamber shared by the multi-unit hydropower plant.
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