Proper Numerical simulation of water surface profile over stepped spillway Using Different Solvers
Publish place: 8th National Congress On Civil Engineering
Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NCCE08_0753
تاریخ نمایه سازی: 5 مهر 1393
Abstract:
Enhancing the energy dissipation along a spillway is of great importance for more efficient design of the downstream structures. In this regard, a number of steps can be added to the spillway in order to increase the flow turbulence. By this action the dimensions of stilling basin and consequently the cost is significantly reduced. Inthis research the flow over stepped spillway and the downstream of hydraulic jump is modeled using FLUENTand FLOW-3D softwares. The water surface profile over the spillway and the hydraulic jump is then compared with that of the experimental model and good agreement is observed. The capability of FLOW-3D in allowing the air to escape through free surface is investigated by simulating a dam break problem and comparing it with theexisting experimental result. The results show that this software allows the air escape through a free surface if the Drift-flux model and gas escape model is invoked
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Authors
f hatam
Graduated student of Water Engineering Department, Shiraz University
m.m alishahi
Professor of School of Mechanical Engineering, Shiraz University
a.r Keshavarzi
Professor of Water Engineering Department, Shiraz University
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