NUMERICAL SIMULATION OF FLOW IN RECTANGULAR DEAD ZONES IN IRRIGATION CHANNEL USING STAR-CCM+ MODEL

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BANEJAD H.; NOZARI H.; GHAEMIZADEH F.

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Paper Information

Journal: IRRIGATION AND DRAINAGE STRUCTURES ENGINEERING RESEARCH Year:2017 | Volume:18 | Issue:69 Page(s): 31-44

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Title

NUMERICAL SIMULATION OF FLOW IN RECTANGULAR DEAD ZONES IN IRRIGATION CHANNEL USING STAR-CCM+ MODEL

Author(s)

BANEJAD H. | NOZARI H. | GHAEMIZADEH F. | Issue Writer Certificate

Keywords

FLOW PATTERNQ1

TURBULENCE INTENSITYQ1

TURBULENCE MODELQ1

TWO-REGION MODELQ1

Abstract

Lateral dead zone Studies are very important because the flow turbulence specifications in this situation are not fully known yet. Also in a series of lateral dead zones, their placement, number and size have different effect on the flow pattern. In this study, an attempt was made to determine the ability of STAR-CCM + in three-dimensional simulating of flow in series of rectangular ateral dead zone. For this purpose, the results of an experimental model was used. STAR-CCM+ was calibrated to determine the most suitable turbulence models and in order to validate, resuts, the data obtained from transverse fluctuations along the width of channel was used. data . The results showed that accelerating the flow in the main channel more flow separation and increase the flow velocity gradient near the upstream corner of dead zone. With the entry into dead zone, average flow velocity reduces and low-velocity zone appears as a circular area. Analyzing the flow pattern showed that in simulation of turbulence distribution RANS 2-end order model has a better efficiency in comparison with RANS 1-end order model. Finally the LES model showed the highest efficiency in the flow simulation.

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APA: Copy

BANEJAD, H., NOZARI, H., & GHAEMIZADEH, F.. (2017). NUMERICAL SIMULATION OF FLOW IN RECTANGULAR DEAD ZONES IN IRRIGATION CHANNEL USING STAR-CCM+ MODEL. IRRIGATION AND DRAINAGE STRUCTURES ENGINEERING RESEARCH , 18(69 ), 31-44. SID. https://sid.ir/paper/261342/en

Vancouver: Copy

BANEJAD H., NOZARI H., GHAEMIZADEH F.. NUMERICAL SIMULATION OF FLOW IN RECTANGULAR DEAD ZONES IN IRRIGATION CHANNEL USING STAR-CCM+ MODEL. IRRIGATION AND DRAINAGE STRUCTURES ENGINEERING RESEARCH [Internet]. 2017;18(69 ):31-44. Available from: https://sid.ir/paper/261342/en

IEEE: Copy

H. BANEJAD, H. NOZARI, and F. GHAEMIZADEH, “NUMERICAL SIMULATION OF FLOW IN RECTANGULAR DEAD ZONES IN IRRIGATION CHANNEL USING STAR-CCM+ MODEL,” IRRIGATION AND DRAINAGE STRUCTURES ENGINEERING RESEARCH , vol. 18, no. 69 , pp. 31–44, 2017, [Online]. Available: https://sid.ir/paper/261342/en

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