Torsional vibration usually causes noticeable sound disturbances, mechanical shakings, and component fatigue problems. It exists at one or more periods of the operating range in torsional systems. Determination of critical speeds or torsional natural frequencies in a design stage makes it possible to avoid early fractures and costly repairs of the machinery. In this paper, the method for predicting speed–related excitation frequencies of complex rotating systems is discussed and the computer program is developed and tested by actual examples. The natural frequencies and mode shapes of multi–branch torsional vibration systems with one or more junction points are calculated. A user–friendly graphic interface for modeling is presented. Some practical examples are given and the results of the simulations are compared to those obtained analytically as well as those given in references.


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    Titel :

    Multi–Branch Torsional Vibration in Geared Rotating Systems


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Yao, David Y. (Autor:in) / Yuan, Qing–Ke (Autor:in) / Wang, W. G. (Autor:in)

    Kongress:

    International Truck & Bus Meeting & Exposition ; 1999



    Erscheinungsdatum :

    15.11.1999




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





    Torsional vibration of geared turbine propulsion system

    Sutton, A.D. | Engineering Index Backfile | 1953



    Practical aspects of torsional vibration in marine geared turbine propulsion units

    Powell, S.C. / Bassett, W.V. | Engineering Index Backfile | 1945


    Practical aspects of torsional vibration in marine geared turbine propulsion units

    Powell, S.C. / Bassett, W.V. | Engineering Index Backfile | 1944