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    Investigation of Flow Phenomena in a Transonic Fan Rotor Using Laser Anemometry

    Source: Journal of Engineering for Gas Turbines and Power:;1985:;volume( 107 ):;issue: 002::page 427
    Author:
    A. J. Strazisar
    DOI: 10.1115/1.3239743
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Several flow phenomena, including flow field periodicity, rotor shock oscillation, and rotor shock system geometry have been investigated in a transonic low aspect ratio fan rotor using laser anemometry. Flow periodicity is found to increase with increasing rotor pressure rise and to correlate with blade geometry variations. Analysis of time-accurate laser anemometer data indicates that the rotor shock oscillates about its mean location with an amplitude of 3–4 percent of rotor chord. The shock surface is nearly two-dimensional for levels of rotor pressure rise at and above the peak efficiency level but becomes more complex for lower levels of pressure rise. Spanwise shock lean generates radial flows due to streamline deflection in the hub-to-shroud streamsurface.
    keyword(s): Flow (Dynamics) , Lasers , Rotors , Shock (Mechanics) , Pressure , Geometry , Radial flow , Oscillations , Blades , Deflection AND Chords (Trusses) ,
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      Investigation of Flow Phenomena in a Transonic Fan Rotor Using Laser Anemometry

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/99842
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    • Journal of Engineering for Gas Turbines and Power

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    contributor authorA. J. Strazisar
    date accessioned2017-05-08T23:20:12Z
    date available2017-05-08T23:20:12Z
    date copyrightApril, 1985
    date issued1985
    identifier issn1528-8919
    identifier otherJETPEZ-26618#427_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/99842
    description abstractSeveral flow phenomena, including flow field periodicity, rotor shock oscillation, and rotor shock system geometry have been investigated in a transonic low aspect ratio fan rotor using laser anemometry. Flow periodicity is found to increase with increasing rotor pressure rise and to correlate with blade geometry variations. Analysis of time-accurate laser anemometer data indicates that the rotor shock oscillates about its mean location with an amplitude of 3–4 percent of rotor chord. The shock surface is nearly two-dimensional for levels of rotor pressure rise at and above the peak efficiency level but becomes more complex for lower levels of pressure rise. Spanwise shock lean generates radial flows due to streamline deflection in the hub-to-shroud streamsurface.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleInvestigation of Flow Phenomena in a Transonic Fan Rotor Using Laser Anemometry
    typeJournal Paper
    journal volume107
    journal issue2
    journal titleJournal of Engineering for Gas Turbines and Power
    identifier doi10.1115/1.3239743
    journal fristpage427
    journal lastpage435
    identifier eissn0742-4795
    keywordsFlow (Dynamics)
    keywordsLasers
    keywordsRotors
    keywordsShock (Mechanics)
    keywordsPressure
    keywordsGeometry
    keywordsRadial flow
    keywordsOscillations
    keywordsBlades
    keywordsDeflection AND Chords (Trusses)
    treeJournal of Engineering for Gas Turbines and Power:;1985:;volume( 107 ):;issue: 002
    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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