3D Numerical Simulation of Flow through a 90 Bending Square Duct

W.L. Wei; X.J. Zhao; Y.L. Liu; X.F. Yang

doi:10.4028/www.scientific.net/AMM.170-173.3560

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 170-1733D Numerical Simulation of Flow through a 90...

3D Numerical Simulation of Flow through a 90 Bending Square Duct

Abstract:

Abstract:A computational model is implemented to investigate hydraulic characteristics of turbulent flow through a 90 bending square duct. In the numerical solution the governing equations are first transformed by using boundary-fitted coordinate to map the physical domain to a uniform transformed space, subsequently discretized by finite-volume method and collocated grid system, and solved via SIMPLEC algorithm.The flow parameters at the control surface are obtained by momentum interpolation method. The modified k-ε turbulence model is applied to close the Reynolds stresses. The 3D hydraulic characteristics of flows in a bend square duct are computed, and the comparison between numerical results and experimental data shows a very good agreement.

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Periodical:

Applied Mechanics and Materials (Volumes 170-173)

Pages:

3560-3564

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.170-173.3560

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Online since:

May 2012

Authors:

W.L. Wei, X.J. Zhao, Y.L. Liu, X.F. Yang

Keywords:

3D Model, Coordinate Transformation, Momentum Interpolation

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References

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