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    Evaluation of Alternatives for Two-Dimensional Linear Cascade Facilities

    Source: Journal of Turbomachinery:;2009:;volume( 131 ):;issue: 003::page 31001
    Author:
    Paul M. Kodzwa
    ,
    Gregory M. Laskowski
    ,
    Paul A. Durbin
    ,
    Amanda Vicharelli
    ,
    Gorazd Medic
    ,
    Christopher J. Elkins
    ,
    John K. Eaton
    DOI: 10.1115/1.2985073
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: This paper presents two low-cost alternatives for turbine blade surface heat transfer and fluid dynamics measurements. These models embody careful compromises between typical academic and full-scale turbomachinery experiments and represent a comprehensive strategy to develop experiments that can directly test shortcomings in current turbomachinery simulation tools. A full contextual history of the wide range of approaches to simulate turbine flow conditions is presented, along with a discussion of their deficiencies. Both models are simplifications of a linear cascade: the current standard for simulating two-dimensional turbine blade geometries. A single passage model is presented as a curved duct consisting of two half-blade geometries, carefully designed inlet and exit walls and inlet suction. This facility was determined to be best suited for heat transfer measurements where minimal surface conduction losses are necessary to allow accurate numerical model replication. A double passage model is defined as a single blade with two precisely designed outer walls, which is most appropriate for flow measurements. The design procedures necessary to achieve a desired flow condition are discussed.
    keyword(s): Pressure , Flow (Dynamics) , Cascades (Fluid dynamics) , Design , Blades , Heat transfer , Boundary layers , Suction , Measurement , Geometry , Simulation , Computer simulation , Airfoils AND Shapes ,
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      Evaluation of Alternatives for Two-Dimensional Linear Cascade Facilities

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    http://yetl.yabesh.ir/yetl1/handle/yetl/142154
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    contributor authorPaul M. Kodzwa
    contributor authorGregory M. Laskowski
    contributor authorPaul A. Durbin
    contributor authorAmanda Vicharelli
    contributor authorGorazd Medic
    contributor authorChristopher J. Elkins
    contributor authorJohn K. Eaton
    date accessioned2017-05-09T00:35:47Z
    date available2017-05-09T00:35:47Z
    date copyrightJuly, 2009
    date issued2009
    identifier issn0889-504X
    identifier otherJOTUEI-28755#031001_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/142154
    description abstractThis paper presents two low-cost alternatives for turbine blade surface heat transfer and fluid dynamics measurements. These models embody careful compromises between typical academic and full-scale turbomachinery experiments and represent a comprehensive strategy to develop experiments that can directly test shortcomings in current turbomachinery simulation tools. A full contextual history of the wide range of approaches to simulate turbine flow conditions is presented, along with a discussion of their deficiencies. Both models are simplifications of a linear cascade: the current standard for simulating two-dimensional turbine blade geometries. A single passage model is presented as a curved duct consisting of two half-blade geometries, carefully designed inlet and exit walls and inlet suction. This facility was determined to be best suited for heat transfer measurements where minimal surface conduction losses are necessary to allow accurate numerical model replication. A double passage model is defined as a single blade with two precisely designed outer walls, which is most appropriate for flow measurements. The design procedures necessary to achieve a desired flow condition are discussed.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleEvaluation of Alternatives for Two-Dimensional Linear Cascade Facilities
    typeJournal Paper
    journal volume131
    journal issue3
    journal titleJournal of Turbomachinery
    identifier doi10.1115/1.2985073
    journal fristpage31001
    identifier eissn1528-8900
    keywordsPressure
    keywordsFlow (Dynamics)
    keywordsCascades (Fluid dynamics)
    keywordsDesign
    keywordsBlades
    keywordsHeat transfer
    keywordsBoundary layers
    keywordsSuction
    keywordsMeasurement
    keywordsGeometry
    keywordsSimulation
    keywordsComputer simulation
    keywordsAirfoils AND Shapes
    treeJournal of Turbomachinery:;2009:;volume( 131 ):;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
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