THE inadequacy of existing cascade data to satisfy 2-dimensional flow criteria is discussed in this paper.It presents the results of an investigation to determine the influence of aspect ratio, boundary-layer control by means of slots and porous surfaces, Reynold’s number, and tunnel end-wall condition upon the performance of airfoils in cascades.A representative compressor blade section, the 65-(12) 10 airfoil, was tested in low-speed cascades of aspect ratios of one, two, and four with solid and with porous side walls.The authors report that 2-dimensional flow was established in porous-wall cascades of each of the three aspect ratios tested; the flow was not 2-dimensional in any of the solid-wall cascades.


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    Title :

    New Approach to Axial Compressor Cascade Testing Technique


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Pre-1964 SAE Technical Papers ; 1906



    Publication date :

    1950-01-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English