Numerical Study of Flow Pattern over Free Ogee Spillway (Case Study: Nimrod Reservoir Dam)

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poormohammadi Mohammad Hossein; shojaeyan zahra

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Journal: Journal of Water Resources Engineering Year:2018 | Volume:11 | Issue:38 Page(s): 49-59

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Title

Numerical Study of Flow Pattern over Free Ogee Spillway (Case Study: Nimrod Reservoir Dam)

Author(s)

poormohammadi Mohammad Hossein | shojaeyan zahra | Issue Writer Certificate

Keywords

Flow patternQ1

Nimrod Reservoir DamQ1

SpillwayQ1

Flow-3DQ1

Turbulence ModelQ1

Abstract

Abstract Spillways are structures used for releasing the surplus floodwater in necessary conditions from storage dams. Ogee Spillway is one of the most common and simplest structures. . In this research, a three dimensional flow field over the Spillway was simulated with Flow-3D, using two Turbulence Models, namely RNG and. First, for precise prediction of hydraulic specifications of over Spillway flow, the mentioned Turbulence Models were validated using data gathered from a laboratory flume (Sivakumaran et al., 1983). Data collected from software validation showed that the RNG Turbulence Model produced better results than. In the next stage, this model was used for simulating the physical prototype of the Nimrod Reservoir Dam. The measurement factors included pressure and water surface profile. The obtained values were compared to the existing laboratory measurements. Results from the simulation were well consistent with experimental measurements. Keywords: Flow pattern, Nimrod Reservoir Dam, Spillway, Flow-3D, Turbulence Model.

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APA: Copy

poormohammadi, Mohammad Hossein, & shojaeyan, zahra. (2018). Numerical Study of Flow Pattern over Free Ogee Spillway (Case Study: Nimrod Reservoir Dam). WATER ENGINEERING, 11(38 ), 49-59. SID. https://sid.ir/paper/169481/en

Vancouver: Copy

poormohammadi Mohammad Hossein, shojaeyan zahra. Numerical Study of Flow Pattern over Free Ogee Spillway (Case Study: Nimrod Reservoir Dam). WATER ENGINEERING[Internet]. 2018;11(38 ):49-59. Available from: https://sid.ir/paper/169481/en

IEEE: Copy

Mohammad Hossein poormohammadi, and zahra shojaeyan, “Numerical Study of Flow Pattern over Free Ogee Spillway (Case Study: Nimrod Reservoir Dam),” WATER ENGINEERING, vol. 11, no. 38 , pp. 49–59, 2018, [Online]. Available: https://sid.ir/paper/169481/en

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