Get 10th International Conference on Vibrations in Rotating PDF

By Institution of Mechanical Engineers

ISBN-10: 0857094521

ISBN-13: 9780857094520

This e-book offers the papers from the tenth foreign convention on Vibrations in Rotating equipment. This convention, first held in 1976, has outlined and redefined the state of the art within the many elements of vibration encountered in rotating equipment. uncommon by means of a superb mixture of commercial and educational participation accomplished, those papers current the most recent tools of theoretical, experimental and computational rotordynamics, along the present problems with main issue within the extra improvement of rotating machines. issues are geared toward propelling ahead the criteria of excellence within the layout and operation of rotating machines.

  • Presents most modern equipment of theoretical, experimental and computational rotordynamics
  • Covers present problems with crisis within the additional improvement of rotating machines

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Read or Download 10th International Conference on Vibrations in Rotating Machinery: 11-13 September 2012, Imeche London, UK PDF

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Extra resources for 10th International Conference on Vibrations in Rotating Machinery: 11-13 September 2012, Imeche London, UK

Example text

Equation(1) can also be expressed as:   n0 n  s (, t )  sˆ(, t )   cn (t )ein  cn (t )e in    cn (t )ein where  cn (t )  aˆn  ibˆn and here  (3)   cn n  0  cn n  0 and cn   fˆ (t )  f (t )  i H  f (t ) and f (t )  s, a, b , H  denotes the Hilbert transform. (1), one obtains:    1 s (, t )    r (t ) ei  r (t )  n  ei  r (t )  n  i r (t ) ei  r (t )  n  ei  r (t )  n 2 n r Equation(4) is composed of complex exponentials, where e i  r ( t )  n   (4) , e i  r ( t )  n   , represent forward and backward traveling waves respectively (see [29]).

There are many studies concerning the prediction of dynamics of rotor systems mounted on elastic bearings in the case of a fixed support [1,2]. Some studies observed the instability of systems subjected to parametric excitations [3]. Kang et al. [4] employed the Timoshenko beam finite elements for modeling asymmetric rotor-bearing systems. Some other works concentrated on the behavior of a rotor under seismic excitations [5-7]. Subbiah et al. [8] studied the response of rotor systems under random support excitations using modal analysis methods.

13, pp. 255-270, Mar 1999. [29] P. Schmiechen and V. D. Ingenieure, Travelling-wave Speed Coincidence: VDI Verlag, 1998. [30] S. K. Mitra and Y. Kuo, Digital signal processing: a computer-based approach vol. 2: McGraw-Hill New York, 2006. [31] I. Acoustics, Speech, and S. P. S. D. S. P. Committee, Programs for digital signal processing: IEEE, 1979. [32] C. W. Lee, "A complex modal testing theory for rotating machinery," Mechanical Systems and Signal Processing, vol. 5, pp. 119-137, 1991. [33] I.

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10th International Conference on Vibrations in Rotating Machinery: 11-13 September 2012, Imeche London, UK by Institution of Mechanical Engineers

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