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    Large-Eddy Simulation of Turbulent Sheared Convection

    Source: Journal of the Atmospheric Sciences:;1988:;Volume( 046 ):;issue: 008::page 1106
    Author:
    Sykes, R. I.
    ,
    Henn, D. S.
    DOI: 10.1175/1520-0469(1989)046<1106:LESOTS>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: A series of large-eddy simulators of free and sheared convective flow between moving flat plates is presented. Results for free convection are compared with laboratory data. The ratio of friction velocity to the convective velocity sale,u*/w*,is identified as an important parameter in sheared convective flow determining the formation of longitudinal rolls. Rolls are found for u*/w* ≥ 0.35, with aspect ratio decreasing as this parameter increases. It is shown that, in this regime, two-dimensional simulations with a proper choice of roll orientation and turbulence length-scale can produce correct velocity variances and roll aspect ratio.
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      Large-Eddy Simulation of Turbulent Sheared Convection

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4156238
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    contributor authorSykes, R. I.
    contributor authorHenn, D. S.
    date accessioned2017-06-09T14:28:54Z
    date available2017-06-09T14:28:54Z
    date copyright1989/04/01
    date issued1988
    identifier issn0022-4928
    identifier otherams-20052.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4156238
    description abstractA series of large-eddy simulators of free and sheared convective flow between moving flat plates is presented. Results for free convection are compared with laboratory data. The ratio of friction velocity to the convective velocity sale,u*/w*,is identified as an important parameter in sheared convective flow determining the formation of longitudinal rolls. Rolls are found for u*/w* ≥ 0.35, with aspect ratio decreasing as this parameter increases. It is shown that, in this regime, two-dimensional simulations with a proper choice of roll orientation and turbulence length-scale can produce correct velocity variances and roll aspect ratio.
    publisherAmerican Meteorological Society
    titleLarge-Eddy Simulation of Turbulent Sheared Convection
    typeJournal Paper
    journal volume46
    journal issue8
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/1520-0469(1989)046<1106:LESOTS>2.0.CO;2
    journal fristpage1106
    journal lastpage1118
    treeJournal of the Atmospheric Sciences:;1988:;Volume( 046 ):;issue: 008
    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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