An Application of Torsional Wave Analysis to Turbogenerator Rotor Shaft Response

[+] Author and Article Information
R. Bogacz, T. Szolc

Institute of Fundamental Technological Research of the Polish Academy of Sciences, Warsaw, Poland

H. Irretier

Institute of Mechanics of the Kassel University, Kassel, Germany

J. Vib. Acoust 114(2), 149-153 (Apr 01, 1992) (5 pages) doi:10.1115/1.2930243 History: Received May 01, 1989; Online June 17, 2008


In this paper transient torsional vibrations of a steam turbogenerator rotor shaft system due to high speed reclosing of the electric network are investigated. The analysis is performed using torsional elastic wave theory applied to a continuous model in the form of a stepped shaft. Wave solutions of the equations of motion are used in order to determine dynamic torsional elastic moments and vibratory angular velocities in cross-sections of the turbine shafts. The results are illustrated in the form of graphs.

Copyright © 1992 by The American Society of Mechanical Engineers
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