An attempt is made to summarize the state of rotary wing flow fields. The theory is traced from its origin as a momentum theory estimate of average interference, through simple vortex theory, to its present status where it is indispensible in calculating blade loads. A comparison of the theory with flow measurements are presented. The modern efforts toward using more detailed digital methods to obtain blade load distribution are described.


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    Title :

    A brief survey of rotary wing induced-velocity theory


    Contributors:

    Conference:

    Seminar on Aerodyn. of V/STOL Aircraft and Helicopters ; 1978 ; University Park, PA, United States


    Publication date :

    1978-06-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :