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    A Note on the Empirical Constant in the Kolmogorov-Prandtl Eddy-Viscosity Expression

    Source: Journal of Fluids Engineering:;1975:;volume( 097 ):;issue: 003::page 386
    Author:
    W. Rodi
    DOI: 10.1115/1.3447325
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The transport equation for the Reynolds stress is simplified to yield the Kolmogorov-Prandtl eddy viscosity expression, and the conditions are studied under which the empirical factor cμ in this expression can be a constant. By reference to experimental data, it is shown that these conditions are not generally satisfied. The measured variation of cμ is given for various thin shear layers. Those flows are identified, which can be calculated with a constant value of cμ .
    keyword(s): Eddies (Fluid dynamics) , Viscosity , Stress , Shear (Mechanics) , Equations AND Flow (Dynamics) ,
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      A Note on the Empirical Constant in the Kolmogorov-Prandtl Eddy-Viscosity Expression

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    http://yetl.yabesh.ir/yetl1/handle/yetl/87643
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    contributor authorW. Rodi
    date accessioned2017-05-08T22:58:54Z
    date available2017-05-08T22:58:54Z
    date copyrightSeptember, 1975
    date issued1975
    identifier issn0098-2202
    identifier otherJFEGA4-26873#386_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/87643
    description abstractThe transport equation for the Reynolds stress is simplified to yield the Kolmogorov-Prandtl eddy viscosity expression, and the conditions are studied under which the empirical factor cμ in this expression can be a constant. By reference to experimental data, it is shown that these conditions are not generally satisfied. The measured variation of cμ is given for various thin shear layers. Those flows are identified, which can be calculated with a constant value of cμ .
    publisherThe American Society of Mechanical Engineers (ASME)
    titleA Note on the Empirical Constant in the Kolmogorov-Prandtl Eddy-Viscosity Expression
    typeJournal Paper
    journal volume97
    journal issue3
    journal titleJournal of Fluids Engineering
    identifier doi10.1115/1.3447325
    journal fristpage386
    journal lastpage389
    identifier eissn1528-901X
    keywordsEddies (Fluid dynamics)
    keywordsViscosity
    keywordsStress
    keywordsShear (Mechanics)
    keywordsEquations AND Flow (Dynamics)
    treeJournal of Fluids Engineering:;1975:;volume( 097 ):;issue: 003
    contenttypeFulltext
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