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Information Journal Paper

Title

VALIDATING OF SSIIM 3D MODEL FOR FLOW FIELD SIMULATION IN A U SHAPE CHANNEL BEND WITH INTAKE

Writers

GHORBANI KH. | VALIZADEH E.

Pages

 Start Page 197 | End Page 214

Abstract

 The purpose of this study is to evaluate the SSIIM 3D mathematical for simulation of complex flow patterns. For this purpose, the flow field was simulated in a U shape channel bend with intake. Application of numerical model is necessary to reduce costs and to better understand the phenomena. In this paper, flow field in a U shape channel bend that lateral intake is located in outer bank at position 115° of channel bend 45 degree DIVERSION ANGLE is simulated by SSIIM 3D model. Numerical model has good ability to predict the streamline, velocity profile and flow pattern with an average error of approximately 3.84% but there are differences near bed, inner wall and outer wall and the average error is 9.63%. This defect is due to using k-e model. Further, prediction of SECONDARY FLOW vectors is not in good agreement with observed data in main channel but the flow pattern at different cross-section has good accuracy in branch channel.

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