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- W2373789051 abstract "In this paper,a type of steeped spillway having sill is studied. By using the RNG k-e double-equation turbulence model,numerical simulations of the distributions of physical parameters such as water surface profile,velocity field,pressure field and energy dissipation rate in the flow field are performed, and comparisons are made between the traditional stepped spillway and the stepped spillway having sill. The results show that the sill has great effects on the water surface profile on the step,but has little effects on others. With the increase of the sill,the vortex range increases in both horizontal and vertical directions of the step. The negative pressure on the traditional stepped spillway is less than that on the stepped spillway having sill in the same position and with the increase of the sill,the negative pressure decreases and the positive pressure increases on the vertical face of step. There are all positive pressure on the upstream face and top face on the sill,and the maximum positive pressure occurs on the corner of the sill. In addition,the dissipation rate of the steeped spillway having sill is higher than that of traditional stepped spillway." @default.
- W2373789051 created "2016-06-24" @default.
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- W2373789051 date "2013-01-01" @default.
- W2373789051 modified "2023-09-28" @default.
- W2373789051 title "Numerical Simulation of the Air-Water Flow on the Steeped Spillway Having Sill" @default.
- W2373789051 hasPublicationYear "2013" @default.
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