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A survey on dissipation energy in a stepped spillway combined with stilling basin-step using Fluent numerical model

Publish Year: 1394
Type: Conference paper
Language: English
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CEWE01_003

Index date: 5 December 2015

A survey on dissipation energy in a stepped spillway combined with stilling basin-step using Fluent numerical model abstract

Stepped spillway includes several steps from the crest to the toe. The steps of stepped spillway could cause to decrease the energy with making energy distribution in the longitude mode and also to reduce the outcome speed. The aim of this study was to stimulate the stepped spillway combined with stilling basin-step using Fluent model and the turbulent superficial flow using RNG.K-Ԑ. . The free surface of the flow was monitored by VOF model. The velocity and the depth of the flow were measured by tail water depth by the numerical model and then the dissipated energy was calculated along the spillway. The results indicated that the stilling basin- step complex may cause energy dissipation increment in the stepped spillway. Also, the numerical model was suggested as an effective method to predict the circular and complicated flows in the stepped spillways.

A survey on dissipation energy in a stepped spillway combined with stilling basin-step using Fluent numerical model Keywords:

A survey on dissipation energy in a stepped spillway combined with stilling basin-step using Fluent numerical model authors

Arman Safari

Management of Agriculture GARMSAR, Master of Hydraulic Structures, Islamic Azad University Olum Tahghighat Tehran branch

Afsaneh Alibeygi

Management of Agriculture GARMSAR, Irrigation Engineering , Ferdowsi University of Mashhad

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