An axial-flow fan rotor was tested with four configurations of tip-annulus-area blockage to speeds as high as 0.8 of design speed. The rotor performance with the four blockage configurations is compared with the unblocked rotor performance and with blockage configurations previously investigated. The blockage configurations enable the rotor to operate in a stable condition, to much lower flows than the unblocked rotor, with no evidence of rotating stall. The blockage configurations were effective in reducing rotor torque and weight flow but were accompanied by reductions in pressure ratio and efficiency.


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    Titel :

    Effects of four inlet and outlet tip-annulus-area blockage configurations on the performance of an axial-flow fan rotor


    Beteiligte:
    Osborn, W. M. (Autor:in) / Hager, R. D. (Autor:in)

    Erscheinungsdatum :

    01.01.1976


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :