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    Boundary-Layer Control as a Means of Reducing Drag on Fully Submerged Bodies of Revolution

    Source: Journal of Fluids Engineering:;1985:;volume( 107 ):;issue: 003::page 342
    Author:
    B. Bar-Haim
    ,
    D. Weihs
    DOI: 10.1115/1.3242489
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The drag of axisymmetric bodies can be reduced by boundary-layer suction, which delays transition and can control separation. In this study, boundary-layer transition is delayed by applying a distributed suction technique. Optimization calculations were performed to define the minimal drag bodies at Reynolds numbers of 107 and 108 . The saving in drag relative to optimal bodies with non-controlled boundary layers is shown to be 18 and 78 percent, at Reynolds numbers of 107 and 108 , respectively.
    keyword(s): Drag (Fluid dynamics) , Boundary layers , Reynolds number , Suction , Separation (Technology) , Optimization AND Delays ,
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      Boundary-Layer Control as a Means of Reducing Drag on Fully Submerged Bodies of Revolution

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/100003
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    contributor authorB. Bar-Haim
    contributor authorD. Weihs
    date accessioned2017-05-08T23:20:32Z
    date available2017-05-08T23:20:32Z
    date copyrightSeptember, 1985
    date issued1985
    identifier issn0098-2202
    identifier otherJFEGA4-27014#342_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/100003
    description abstractThe drag of axisymmetric bodies can be reduced by boundary-layer suction, which delays transition and can control separation. In this study, boundary-layer transition is delayed by applying a distributed suction technique. Optimization calculations were performed to define the minimal drag bodies at Reynolds numbers of 107 and 108 . The saving in drag relative to optimal bodies with non-controlled boundary layers is shown to be 18 and 78 percent, at Reynolds numbers of 107 and 108 , respectively.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleBoundary-Layer Control as a Means of Reducing Drag on Fully Submerged Bodies of Revolution
    typeJournal Paper
    journal volume107
    journal issue3
    journal titleJournal of Fluids Engineering
    identifier doi10.1115/1.3242489
    journal fristpage342
    journal lastpage347
    identifier eissn1528-901X
    keywordsDrag (Fluid dynamics)
    keywordsBoundary layers
    keywordsReynolds number
    keywordsSuction
    keywordsSeparation (Technology)
    keywordsOptimization AND Delays
    treeJournal of Fluids Engineering:;1985:;volume( 107 ):;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
    yabeshDSpacePersian