The focus is on an examination of rotordynamic systems which are simultaneously susceptible to limit cycle instability and subharmonic response. Characteristics of each phenomenon are determined as well as their interrelationship. A normalized, single mass rotor model is examined as well as a complex model of the high pressure fuel turbopump and the Space Shuttle Main Engine. Entrainment of limit cycle instability by subharmonic response is demonstrated for both models. The nonuniqueness of the solution is also demonstrated.


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    Title :

    Limit Cycle Vibrations in Turbomachinery


    Contributors:
    S. G. Ryan (author)

    Publication date :

    1991


    Size :

    188 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English