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    Bifurcation Analysis of Surge and Rotating Stall in Axial Flow Compressors

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    No. of downloads: 1820

    Date
    1990
    Author
    Abed, Eyad H.
    Houpt, Paul K.
    Hosny, Wishaa M.
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    Abstract
    In this paper, the surge and rotating stall post instability behaviors of anial flow compressors are investigated from a bifurcation-theoretic perspective. A sequence of local and global bifurcations of the nonlinear system dynamics is uncovered. This includes a previously unknown global bifurcation of a pair of large amplitude periodic solutions. Resulting from this bifurcation are a stable oscillation ("surge") and an unstable oscillation ("antisurge"). The latter oscillation is found to have a deciding significance regarding post-instability behavior experienced by the compressor. These results are used to reconstruct Greitzer's (1976) findings regarding the manner in which post-instability behavior depends on system parameters. Moreover, the results provide significant new insight deemed valuable in the prediction, analysis and control of stall instabilities in gas turbine jet engines.
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    http://hdl.handle.net/1903/4977
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