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Non-Contact Blade Vibration Information System BeSSI

  • M. Gloger
  • M. Jung
Conference paper
Part of the International Centre for Mechanical Sciences book series (CISM, volume 352)

Abstract

By the use of two electric sensors in the casing above the rotating blades’ tip the vibrational deflection of all blades of a wheel can be measured. The system, well proved for temporary measurements in model turbines as well as in steam and gas turbines, is now developed for the uninterrupted observation of the vibrational behavior of all last stage rotating blades of high power steam turbines. Operational conditions leading to life-reducing stresses will thus be made obvious and can then be avoided. If mavoidable the remaining service life of each blade is determined continuously and a warning is given before consumption of all fatigue life, i.e. before starting of a crack.

Keywords

Vibration Signal Model Turbine Remain Service Life Blade Vibration Signal Processing Unit 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Bibliography

  1. [1]
    M. Gloger, K.H. Neumann, D. Bergmann, M. Termühlen: Advanced LP Turbine Blading - A Reliable and Highly Efficient Design Presented at the 1992 IJPGC, Atlanta, GeorgiaGoogle Scholar
  2. [2]
    H. Raby: Rotor Blade Vibration Observed from the Casing. Pres. at Conf. on Methods of Transmitting Signals from Rotating Plant, Leatherhead, June 1970.Google Scholar
  3. [3]
    H. Roth: Vibrational Measurements on Turbomachine Rotor Blades with Optical Probes. Pres. at the ASME Joint Fluids Engineering Gas Turbine Conf., New Orleans, March 1980.Google Scholar
  4. [4]
    M. Gloger: Berührungslose Schaufelschwingungsmeßtechnik. VGB-Fachtagung Dampfturbinen und Dampfturbinenbetrieb 1990 Nürnberg, Essen, Nov./Dec. 1990Google Scholar

Copyright information

© Springer-Verlag Wien 1994

Authors and Affiliations

  • M. Gloger
    • 1
  • M. Jung
    • 1
  1. 1.Siemens AGMülheimGermany

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