An experimental investigation is presented to determine the aerodynamic performance deficit of a 13.5 - centimeter-tip-diameter aircraft engine starter turbine. The two-phased evaluation comprised both the stator and the stage performance, and the experimental design is described in detail. Data obtained from the investigation of three honeycomb shrouds clearly showed that the filled honeycomb reached a total efficiency of 0.868, 8.2 points higher than the open honeycomb shroud, at design equivalent conditions of speed and blade-jet speed ratio. It was concluded that the use of an open honeycomb shroud caused the large performance deficit for the starter turbine. Further research is suggested to ascertain stator inlet boundary layer measurements.


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    Title :

    An experimental evaluation of the performance deficit of an aircraft engine starter turbine


    Contributors:
    Haas, J. E. (author) / Roelke, R. J. (author) / Hermann, P. (author)

    Conference:

    Aerospace Congress and Exposition ; 1980 ; Los Angeles, CA


    Publication date :

    1980-10-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English