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    Drag Characteristics of Extra-Thin-Fin-Riblets in an Air Flow Conduit

    Source: Journal of Fluids Engineering:;1993:;volume( 115 ):;issue: 002::page 222
    Author:
    Z. Y. Wang
    ,
    J. Jovanovic
    DOI: 10.1115/1.2910127
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: An experimental study of riblets with extra thin fins (5 μm thick) is presented. A drag reduction of 2–3 percent per quarter conduit wall is indicated when h+ is around 3–15 in a square section of air flow conduit lined with the extra-thin-fin-riblets (ETFR) on one side wall. The pressure distributions along the conduit indicate the influence of the riblet front step on the drag reduction performance in the conduit flow. The measurement methods and the detailed structure of the ETFR are also discussed.
    keyword(s): Air flow , Drag (Fluid dynamics) , Drag reduction , Fins , Pressure AND Flow (Dynamics) ,
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      Drag Characteristics of Extra-Thin-Fin-Riblets in an Air Flow Conduit

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    http://yetl.yabesh.ir/yetl1/handle/yetl/112142
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    contributor authorZ. Y. Wang
    contributor authorJ. Jovanovic
    date accessioned2017-05-08T23:41:41Z
    date available2017-05-08T23:41:41Z
    date copyrightJune, 1993
    date issued1993
    identifier issn0098-2202
    identifier otherJFEGA4-27076#222_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/112142
    description abstractAn experimental study of riblets with extra thin fins (5 μm thick) is presented. A drag reduction of 2–3 percent per quarter conduit wall is indicated when h+ is around 3–15 in a square section of air flow conduit lined with the extra-thin-fin-riblets (ETFR) on one side wall. The pressure distributions along the conduit indicate the influence of the riblet front step on the drag reduction performance in the conduit flow. The measurement methods and the detailed structure of the ETFR are also discussed.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleDrag Characteristics of Extra-Thin-Fin-Riblets in an Air Flow Conduit
    typeJournal Paper
    journal volume115
    journal issue2
    journal titleJournal of Fluids Engineering
    identifier doi10.1115/1.2910127
    journal fristpage222
    journal lastpage226
    identifier eissn1528-901X
    keywordsAir flow
    keywordsDrag (Fluid dynamics)
    keywordsDrag reduction
    keywordsFins
    keywordsPressure AND Flow (Dynamics)
    treeJournal of Fluids Engineering:;1993:;volume( 115 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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