A frequent cause of turbomachinery blade failures is resonant response. Because of the complexity of forced response analysis, the historical method for dealing with blade forced response in the design phase is to avoid resonant conditions. Recently, forced response analysis methods have gained more interest and are now being developed for turbomachinery blades. Forced response analysis consists of three steps: flow defects, unsteady blade loads, and blade response. The purpose of this paper is to describe and assess the current state of technology, to provide examples of the current research directions, and to define research needs for each of these three steps.


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    Title :

    Recent advancements in turbomachinery forced response analyses


    Additional title:

    Fortschritte bei der Untersuchung des Resonanzverhaltens von Turboluftstrahltriebwerken


    Contributors:
    Kielb, R.E. (author) / Chiang, H.D. (author)

    Published in:

    Publication date :

    1992


    Size :

    8 Seiten, 9 Bilder, 82 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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