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    Small Diameter Film Cooling Holes: Wall Convective Heat Transfer

    Source: Journal of Turbomachinery:;1986:;volume( 108 ):;issue: 002::page 283
    Author:
    G. E. Andrews
    ,
    M. Alikhanizadeh
    ,
    A. A. Asere
    ,
    C. I. Hussain
    ,
    M. S. Khoshkbar Azari
    ,
    M. C. Mkpadi
    DOI: 10.1115/1.3262049
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The wall heat transfer resulting from small diameter holes drilled at 90 deg through gas turbine combustion chamber and turbine blade walls is considered. Available information is briefly reviewed and shown to generally omit the hole approach surface heat transfer and to relate only to the internal hole heat transfer. Experimental techniques are described for the determination of the overall heat transfer in a metal plate with a large number of coolant holes drilled at 90 deg. The results are compared with conventional short-tube internal heat transfer measurements and shown to involve much higher heat transfer rates and this mainly resulted from the additional hole approach flow heat transfer.
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      Small Diameter Film Cooling Holes: Wall Convective Heat Transfer

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/101841
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    • Journal of Turbomachinery

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    contributor authorG. E. Andrews
    contributor authorM. Alikhanizadeh
    contributor authorA. A. Asere
    contributor authorC. I. Hussain
    contributor authorM. S. Khoshkbar Azari
    contributor authorM. C. Mkpadi
    date accessioned2017-05-08T23:23:41Z
    date available2017-05-08T23:23:41Z
    date copyrightOctober, 1986
    date issued1986
    identifier issn0889-504X
    identifier otherJOTUEI-28578#283_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/101841
    description abstractThe wall heat transfer resulting from small diameter holes drilled at 90 deg through gas turbine combustion chamber and turbine blade walls is considered. Available information is briefly reviewed and shown to generally omit the hole approach surface heat transfer and to relate only to the internal hole heat transfer. Experimental techniques are described for the determination of the overall heat transfer in a metal plate with a large number of coolant holes drilled at 90 deg. The results are compared with conventional short-tube internal heat transfer measurements and shown to involve much higher heat transfer rates and this mainly resulted from the additional hole approach flow heat transfer.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleSmall Diameter Film Cooling Holes: Wall Convective Heat Transfer
    typeJournal Paper
    journal volume108
    journal issue2
    journal titleJournal of Turbomachinery
    identifier doi10.1115/1.3262049
    journal fristpage283
    journal lastpage289
    identifier eissn1528-8900
    treeJournal of Turbomachinery:;1986:;volume( 108 ):;issue: 002
    contenttypeFulltext
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