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    Study on the Applicability of URANS, Large Eddy Simulations, and Hybrid Large Eddy Simulations/RANS Models for Prediction of Hydrodynamics of Cyclone Separator

    Source: Journal of Fluids Engineering:;2021:;volume( 144 ):;issue: 003::page 31501-1
    Author:
    Jakkala, Sai Guruprasad
    ,
    Vengadesan, S.
    DOI: 10.1115/1.4052050
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Cyclone separators are an integral part of many industrial processes. A good understanding of the flow features is paramount to efficiently use them. The turbulent fluid flow characteristics are modeled using unsteady Reynolds-averaged Navier–Stokes (URANS), large eddy simulations (LES), and hybrid LES/Reynolds–averaged Navier–Stokes (RANS) turbulent models. The hybrid LES/RANS approaches, namely, detached eddy simulation (DES), delayed detached eddy simulation (DDES), and improved delayed detached eddy simulation (IDDES) based on the k−ω SST RANS approaches are explored. The study is carried out for three different inlet velocities (v = 8, 16.1, and 32 m/s). The results from hybrid LES/RANS models are shown to be in good agreement with the experimental data available in the literature. Reduction in computational time and mesh size are the two main benefits of using hybrid LES/RANS models over the traditional LES methods. The Reynolds stresses are observed in order to understand the redistribution of turbulent energy in the flow field. The velocity profiles and vorticity quantities are explored to obtain a better understanding of the behavior of fluid flow in cyclone separators.
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      Study on the Applicability of URANS, Large Eddy Simulations, and Hybrid Large Eddy Simulations/RANS Models for Prediction of Hydrodynamics of Cyclone Separator

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4284776
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    contributor authorJakkala, Sai Guruprasad
    contributor authorVengadesan, S.
    date accessioned2022-05-08T09:08:35Z
    date available2022-05-08T09:08:35Z
    date copyright10/14/2021 12:00:00 AM
    date issued2021
    identifier issn0098-2202
    identifier otherfe_144_03_031501.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4284776
    description abstractCyclone separators are an integral part of many industrial processes. A good understanding of the flow features is paramount to efficiently use them. The turbulent fluid flow characteristics are modeled using unsteady Reynolds-averaged Navier–Stokes (URANS), large eddy simulations (LES), and hybrid LES/Reynolds–averaged Navier–Stokes (RANS) turbulent models. The hybrid LES/RANS approaches, namely, detached eddy simulation (DES), delayed detached eddy simulation (DDES), and improved delayed detached eddy simulation (IDDES) based on the k−ω SST RANS approaches are explored. The study is carried out for three different inlet velocities (v = 8, 16.1, and 32 m/s). The results from hybrid LES/RANS models are shown to be in good agreement with the experimental data available in the literature. Reduction in computational time and mesh size are the two main benefits of using hybrid LES/RANS models over the traditional LES methods. The Reynolds stresses are observed in order to understand the redistribution of turbulent energy in the flow field. The velocity profiles and vorticity quantities are explored to obtain a better understanding of the behavior of fluid flow in cyclone separators.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleStudy on the Applicability of URANS, Large Eddy Simulations, and Hybrid Large Eddy Simulations/RANS Models for Prediction of Hydrodynamics of Cyclone Separator
    typeJournal Paper
    journal volume144
    journal issue3
    journal titleJournal of Fluids Engineering
    identifier doi10.1115/1.4052050
    journal fristpage31501-1
    journal lastpage31501-12
    page12
    treeJournal of Fluids Engineering:;2021:;volume( 144 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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