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    A New Stage Stacking Technique for Axial-Flow Compressor Performance Prediction

    Source: Journal of Engineering for Gas Turbines and Power:;1978:;volume( 100 ):;issue: 004::page 698
    Author:
    A. R. Howell
    ,
    W. J. Calvert
    DOI: 10.1115/1.3446425
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Modern through-flow solutions, with allowances for losses, etc., give good predictions around design conditions. They are more difficult to apply effectively when individual blade rows are operating under positive stall, negative stall or choke conditions, as can happen off-design in multistage axial-flow compressors of medium and high pressure ratios. A return has been made at the National Gas Turbine Establishment to stage stacking techniques to help solve the off-design performance problems. Basically a new mean radius or one-dimensional analysis has been developed with particular reference to the stall and choke conditions: corrections are then introduced for radial variations and for stage parameters such as blockage and work done factors. Examples on the use of the technique have been selected to illustrate both its success and difficulties.
    keyword(s): Compressors , Axial flow , Design , Gas turbines , High pressure (Physics) , Clearances (Engineering) , Blades AND Flow (Dynamics) ,
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      A New Stage Stacking Technique for Axial-Flow Compressor Performance Prediction

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/90964
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    • Journal of Engineering for Gas Turbines and Power

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    contributor authorA. R. Howell
    contributor authorW. J. Calvert
    date accessioned2017-05-08T23:04:41Z
    date available2017-05-08T23:04:41Z
    date copyrightOctober, 1978
    date issued1978
    identifier issn1528-8919
    identifier otherJETPEZ-26743#698_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/90964
    description abstractModern through-flow solutions, with allowances for losses, etc., give good predictions around design conditions. They are more difficult to apply effectively when individual blade rows are operating under positive stall, negative stall or choke conditions, as can happen off-design in multistage axial-flow compressors of medium and high pressure ratios. A return has been made at the National Gas Turbine Establishment to stage stacking techniques to help solve the off-design performance problems. Basically a new mean radius or one-dimensional analysis has been developed with particular reference to the stall and choke conditions: corrections are then introduced for radial variations and for stage parameters such as blockage and work done factors. Examples on the use of the technique have been selected to illustrate both its success and difficulties.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleA New Stage Stacking Technique for Axial-Flow Compressor Performance Prediction
    typeJournal Paper
    journal volume100
    journal issue4
    journal titleJournal of Engineering for Gas Turbines and Power
    identifier doi10.1115/1.3446425
    journal fristpage698
    journal lastpage703
    identifier eissn0742-4795
    keywordsCompressors
    keywordsAxial flow
    keywordsDesign
    keywordsGas turbines
    keywordsHigh pressure (Physics)
    keywordsClearances (Engineering)
    keywordsBlades AND Flow (Dynamics)
    treeJournal of Engineering for Gas Turbines and Power:;1978:;volume( 100 ):;issue: 004
    contenttypeFulltext
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