Full scale propeller tests are extremely expensive and limited by the availability of large high speed tunnels. The use of models is an alternative, and considerable experience has been obtained from recent British programmes involving small models, the design and construction of which, including the use of composite materials, are discussed. A series of performance tests carried out on a model in a variable density tunnel at flight Mach. numbers, with measurements errors of less than plus/minus 1.0 % provided some observation of the influence of Reynolds number. The lowerspeed results, compared with full scale tunnel data, after correction for scale effects, showed very close agreement. Samples of results from another comparative test programme are included showing similar agreement both aerodynamic and acoustic.


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    Title :

    Techniques of model propeller testing


    Additional title:

    Verfahren zur Modellerprobung von Luftschrauben


    Contributors:
    Boss, R.M. (author)

    Published in:

    Publication date :

    1983


    Size :

    10 Seiten, 12 Bilder, 2 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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