NUMERICAL STUDY OF TURBULENT FLOW PATTERN AND QUALITATIVE INVESTIGATION ON SEDIMENT TRANSPORT AND EROSION PHENOMENON AT LATERAL INTAKE IN RIVER

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SAFARZADEH GENDESHMIN A.; SALEHI NEYSHABOURI A.A.

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Journal: MODARES TECHNICAL AND ENGINEERING Year:2006 | Volume:- | Issue:25 Page(s): 1-17

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Title

NUMERICAL STUDY OF TURBULENT FLOW PATTERN AND QUALITATIVE INVESTIGATION ON SEDIMENT TRANSPORT AND EROSION PHENOMENON AT LATERAL INTAKE IN RIVER

Author(s)

SAFARZADEH GENDESHMIN A. | SALEHI NEYSHABOURI A.A. | Issue Writer Certificate

Keywords

LATERAL INTAKEQ2

TURBULENT FLOWQ2

SECONDARY FLOWQ3

NUMERICAL SOLUTIONQ2

SHEAR STRESSQ2

FLUENTQ2

Abstract

Numerical solution of TURBULENT FLOW at a 90-degree diversion in a straight channel with rectangular cross-section, using FLUENT software, and investigation of 3D flow pattern and distribution of wall SHEAR STRESS in main and branch channels are the principal goals of this paper. Computations have been done for different discharge ratios and turbulence has been modeled using two closure models:standard k- e model and k-w model of Wilcox. Numerical modeling results have been compared with available experimental results and velocity profiles along the main and branch channels have been investigated. The strength of SECONDARY FLOW along the branch channel has been studied and the effect of discharge ratio on this phenomenon and the relationship between this phenomenon and the circulation zone along the branch channel has been investigated. The wall SHEAR STRESS contours have been plotted and variation of this parameter at the bed planes of main and branch channel have been studied. It is found that both turbulence models used accurately predict velocity profiles in the main channel but in the branch channel, the k-w model performs better than the k-e. Numerical modeling results showed that there is another separation zone at upstream corner of LATERAL INTAKE inlet. This zone has an opposite rotating direction with respect to the main separation zone.

Cites

COMPARISON OF RSM AND LES TURBULENCE MODELS ON SHARP BEND

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APA: Copy

SAFARZADEH GENDESHMIN, A., & SALEHI NEYSHABOURI, A.A.. (2006). NUMERICAL STUDY OF TURBULENT FLOW PATTERN AND QUALITATIVE INVESTIGATION ON SEDIMENT TRANSPORT AND EROSION PHENOMENON AT LATERAL INTAKE IN RIVER. MODARES TECHNICAL AND ENGINEERING, -(25), 1-17. SID. https://sid.ir/paper/25037/en

Vancouver: Copy

SAFARZADEH GENDESHMIN A., SALEHI NEYSHABOURI A.A.. NUMERICAL STUDY OF TURBULENT FLOW PATTERN AND QUALITATIVE INVESTIGATION ON SEDIMENT TRANSPORT AND EROSION PHENOMENON AT LATERAL INTAKE IN RIVER. MODARES TECHNICAL AND ENGINEERING[Internet]. 2006;-(25):1-17. Available from: https://sid.ir/paper/25037/en

IEEE: Copy

A. SAFARZADEH GENDESHMIN, and A.A. SALEHI NEYSHABOURI, “NUMERICAL STUDY OF TURBULENT FLOW PATTERN AND QUALITATIVE INVESTIGATION ON SEDIMENT TRANSPORT AND EROSION PHENOMENON AT LATERAL INTAKE IN RIVER,” MODARES TECHNICAL AND ENGINEERING, vol. -, no. 25, pp. 1–17, 2006, [Online]. Available: https://sid.ir/paper/25037/en

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