Application of a near-wall turbulence model to the flows over a step with inclined wall

Jong Woo Ahn; Tae Seon Park; Hyung Jin Sung

doi:10.1016/S0142-727X(96)00092-6

Application of a near-wall turbulence model to the flows over a step with inclined wall

Jong Woo Ahn, Tae Seon Park, Hyung Jin Sung

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

A nonlinear low-Reynolds-number k-ε model of Park and Sung (1995) was extended to predict the flows over a step with inclined wall, where a boundary-layer flow without separation and a separated and reattaching flow coexist. For a better prediction of the flows, a slight modification was made on the function of wall damping f_μ and the model constant C^ε1 in the ε-equation. The model performance was validated by comparing the model predictions with the experiment. It was shown that the flows over a step with inclined wall are simulated successfully with the present model.

Original language	English
Pages (from-to)	209-217
Number of pages	9
Journal	International Journal of Heat and Fluid Flow
Volume	18
Issue number	2
DOIs	https://doi.org/10.1016/S0142-727X(96)00092-6
State	Published - Apr 1997

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title = "Application of a near-wall turbulence model to the flows over a step with inclined wall",

abstract = "A nonlinear low-Reynolds-number k-ε model of Park and Sung (1995) was extended to predict the flows over a step with inclined wall, where a boundary-layer flow without separation and a separated and reattaching flow coexist. For a better prediction of the flows, a slight modification was made on the function of wall damping fμ and the model constant Cε1 in the ε-equation. The model performance was validated by comparing the model predictions with the experiment. It was shown that the flows over a step with inclined wall are simulated successfully with the present model.",

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AU - Park, Tae Seon

AU - Sung, Hyung Jin

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N2 - A nonlinear low-Reynolds-number k-ε model of Park and Sung (1995) was extended to predict the flows over a step with inclined wall, where a boundary-layer flow without separation and a separated and reattaching flow coexist. For a better prediction of the flows, a slight modification was made on the function of wall damping fμ and the model constant Cε1 in the ε-equation. The model performance was validated by comparing the model predictions with the experiment. It was shown that the flows over a step with inclined wall are simulated successfully with the present model.

AB - A nonlinear low-Reynolds-number k-ε model of Park and Sung (1995) was extended to predict the flows over a step with inclined wall, where a boundary-layer flow without separation and a separated and reattaching flow coexist. For a better prediction of the flows, a slight modification was made on the function of wall damping fμ and the model constant Cε1 in the ε-equation. The model performance was validated by comparing the model predictions with the experiment. It was shown that the flows over a step with inclined wall are simulated successfully with the present model.

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JF - International Journal of Heat and Fluid Flow

IS - 2

ER -

Application of a near-wall turbulence model to the flows over a step with inclined wall

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