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Numerical simulation of three dimensional turbulent flow in suddenly expanded rectangular duct

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Abstract

In this paper, to simulate the three dimensional turbulent flow in suddenly expanded rectangular duct numerically, the SIMPLEC algorithm is employed to solve the incompressible Navier-Stokes equation with k-ɛ turbulence model. The numerical results show well the three dimensional turbulent flow field in the rectangular duct behind the sudden expansion cross-section, and agree fairly well with the experimental result of the length of the main circumfluence. The numerical method of this paper can be applied to numerical analysis of this kind of turbulent flow.

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Authors and Affiliations

  1. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, 200072, Shanghai, P. R. China

    Guo Jiahong

  2. Queen's University, K7L, 3N6, Canada

    Xu Hongyi

Authors
  1. Guo Jiahong
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  2. Xu Hongyi
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Communicated by Cai Shutang

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Jiahong, G., Hongyi, X. Numerical simulation of three dimensional turbulent flow in suddenly expanded rectangular duct. Appl Math Mech 17, 365–372 (1996). https://doi.org/10.1007/BF00193800

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  • DOI: https://doi.org/10.1007/BF00193800

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