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    The Effects of Turbulence and Stator/Rotor Interactions on Turbine Heat Transfer: Part I—Design Operating Conditions

    Source: Journal of Turbomachinery:;1989:;volume( 111 ):;issue: 001::page 87
    Author:
    M. F. Blair
    ,
    R. P. Dring
    ,
    H. D. Joslyn
    DOI: 10.1115/1.3262241
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A combined experimental and analytical program was conducted to examine the effects of inlet turbulence, stator–rotor axial spacing, and relative circumferential spacing of first and second stators on turbine airfoil heat transfer. The experimental portion of the study was conducted in a large-scale (approximately 5× engine), ambient temperature, stage-and-a half rotating turbine model. The data indicate that while turbine inlet turbulence can have a very strong impact on the first stator heat transfer, its impact in downstream rows is minimal. The effects on heat transfer produced by relatively large changes in stator/rotor spacing or by changing the relative row-to-row circumferential positions of stators were very small. Analytical results consist of airfoil heat transfer distributions computed with a finite-difference boundary layer code. Data obtained in this same model for various Reynolds numbers and rotor incidence angles are presented in a companion paper (Part II).
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      The Effects of Turbulence and Stator/Rotor Interactions on Turbine Heat Transfer: Part I—Design Operating Conditions

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/106200
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    contributor authorM. F. Blair
    contributor authorR. P. Dring
    contributor authorH. D. Joslyn
    date accessioned2017-05-08T23:31:23Z
    date available2017-05-08T23:31:23Z
    date copyrightJanuary, 1989
    date issued1989
    identifier issn0889-504X
    identifier otherJOTUEI-28594#87_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/106200
    description abstractA combined experimental and analytical program was conducted to examine the effects of inlet turbulence, stator–rotor axial spacing, and relative circumferential spacing of first and second stators on turbine airfoil heat transfer. The experimental portion of the study was conducted in a large-scale (approximately 5× engine), ambient temperature, stage-and-a half rotating turbine model. The data indicate that while turbine inlet turbulence can have a very strong impact on the first stator heat transfer, its impact in downstream rows is minimal. The effects on heat transfer produced by relatively large changes in stator/rotor spacing or by changing the relative row-to-row circumferential positions of stators were very small. Analytical results consist of airfoil heat transfer distributions computed with a finite-difference boundary layer code. Data obtained in this same model for various Reynolds numbers and rotor incidence angles are presented in a companion paper (Part II).
    publisherThe American Society of Mechanical Engineers (ASME)
    titleThe Effects of Turbulence and Stator/Rotor Interactions on Turbine Heat Transfer: Part I—Design Operating Conditions
    typeJournal Paper
    journal volume111
    journal issue1
    journal titleJournal of Turbomachinery
    identifier doi10.1115/1.3262241
    journal fristpage87
    journal lastpage96
    identifier eissn1528-8900
    treeJournal of Turbomachinery:;1989:;volume( 111 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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