Analysis of results of experimental investigation of turbine cascades is carried out. It is showed that the nature of the influence of negative incidences on profile losses can be determined by the streamline of the inlet part of the airfoil at design mode. The conditions are revealed, under which, at moderate incidences, incidence losses are negative, zero, and positive. Geometric parameters of cascades with favorable and unfavorable streamline are defined, and recommendations for choosing the optimal inlet metal angle in the designed cascades are refined.


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    Title :

    Influence of Incidence on Streamlines and Profile Losses of Turbine Cascades


    Additional title:

    Russ. Aeronaut.


    Contributors:

    Published in:

    Russian Aeronautics ; 66 , 2 ; 332-342


    Publication date :

    2023-04-01


    Size :

    11 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English