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    An Extended Eddy-Preserving Scheme for Strong Vortical Flows

    Source: Journal of Fluids Engineering:;2020:;volume( 142 ):;issue: 006
    Author:
    Yang, Liu
    ,
    Jiang, Yao
    ,
    Nadarajah, Siva
    DOI: 10.1115/1.4045982
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The eddy-preserving limiter has been demonstrated to outperform the conventional van Albada limiter for monotone upstream-centered schemes for conservation laws (MUSCL) for vortical flows. It reduces the dissipation by inactivating the conventional van Albada limiter in the interpolation of velocity components on the swirl plane of the vortex. In this work, we extend the limiter for the interpolation of pressure since a minimum pressure often exists along the axis of a free vortex. Three-dimensional vortex advection cases are employed to demonstrate the effects of the novel scheme. An extended eddy-preserving limiter scheme has been demonstrated to further improve the preservation of the pressure extrema. Finally, the scheme is applied to flow through a draft tube and the numerical results are compared against experimental data.
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      An Extended Eddy-Preserving Scheme for Strong Vortical Flows

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4273214
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    contributor authorYang, Liu
    contributor authorJiang, Yao
    contributor authorNadarajah, Siva
    date accessioned2022-02-04T14:13:21Z
    date available2022-02-04T14:13:21Z
    date copyright2020/02/24/
    date issued2020
    identifier issn0098-2202
    identifier otherfe_142_06_061501.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4273214
    description abstractThe eddy-preserving limiter has been demonstrated to outperform the conventional van Albada limiter for monotone upstream-centered schemes for conservation laws (MUSCL) for vortical flows. It reduces the dissipation by inactivating the conventional van Albada limiter in the interpolation of velocity components on the swirl plane of the vortex. In this work, we extend the limiter for the interpolation of pressure since a minimum pressure often exists along the axis of a free vortex. Three-dimensional vortex advection cases are employed to demonstrate the effects of the novel scheme. An extended eddy-preserving limiter scheme has been demonstrated to further improve the preservation of the pressure extrema. Finally, the scheme is applied to flow through a draft tube and the numerical results are compared against experimental data.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAn Extended Eddy-Preserving Scheme for Strong Vortical Flows
    typeJournal Paper
    journal volume142
    journal issue6
    journal titleJournal of Fluids Engineering
    identifier doi10.1115/1.4045982
    page61501
    treeJournal of Fluids Engineering:;2020:;volume( 142 ):;issue: 006
    contenttypeFulltext
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