A compressor blade having a leading edge and a trailing edge, and a surface pattern between the leading and trailing edges, the surface pattern comprising at least one set of herringbone riblets formed of a plurality of v-shaped riblets, wherein the v-shaped riblets are spaced apart by a distance of between 200-400 μm, and have a height of between 50-120 μm.


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    Title :

    COMPRESSOR BLADE SURFACE PATTERNING



    Publication date :

    2019-10-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES / B64C AEROPLANES , Flugzeuge / F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS / F15D FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS , Strömungsdynamik, d.h. Verfahren oder Vorrichtungen zum Beeinflussen der Strömung von Gasen oder Flüssigkeiten



    COMPRESSOR BLADE SURFACE PATTERNING

    LIU QIANG / ZHONG SHAN / JOHNSON MARK et al. | European Patent Office | 2019

    Free access

    COMPRESSOR BLADE SURFACE PATTERNING

    LIU QIANG / ZHONG SHAN / JOHNSON MARK et al. | European Patent Office | 2018

    Free access



    Perturbation solutions for transonic flow on the blade-to-blade surface of compressor blade rows

    Stahara, Stephen S. / Chaussee, Denny S. / Spreiter, John R. | TIBKAT | 1978