Experiences using laser Doppler vibrometers at Chernobyl Nuclear Power Plant

Leonid K. Yarovoi; Lubomir I. Robur; Georg Siegmund; Dmitry Tushev

doi:10.1117/12.386717

22 May 2000 Experiences using laser Doppler vibrometers at Chernobyl Nuclear Power Plant

Leonid K. Yarovoi, Lubomir I. Robur, Georg Siegmund, Dmitry Tushev

Proceedings Volume 4072, Fourth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (2000) https://doi.org/10.1117/12.386717
Event: 4th International Conference on Vibration Measurement by Laser Techniques, 2000, Ancona, Italy

Abstract

The implementation of laser vibrometers into various branches of industry solves complex technical problems as well as raising the authority of laser vibrometry as unique measurement tool. From this point of view, the nuclear industry is an interesting and attractive application field with specific and rigorous exploitation conditions of measuring systems. The objective of this work was to evaluate all advantages and disadvantages of the laser Doppler vibrometry with respect to nuclear power plant (NPP) equipment examination. The Chernobyl NPP is the ideal place for these purposes. The diagnostic ability on different Chernobyl NPP systems (e.g. third power unit main circulators, bearing shaft of fifth turbo-generator and various pipelines) has been demonstrated using laser Doppler vibrometers. The measurements performed by laser vibrometers were checked by standard Chernobyl NPP vibration measurement tools. The laser Doppler vibrometers (CLV, Polytec GmbH and LDV, Kiev University) have been tested and have shown full functionality in NPP zone at 0.5 sievert/hour radiation levels, high electromagnetic fields (magnetic component up to 5 kA/m) and significant vibrations.

Citation Download Citation

Leonid K. Yarovoi, Lubomir I. Robur, Georg Siegmund, and Dmitry Tushev "Experiences using laser Doppler vibrometers at Chernobyl Nuclear Power Plant", Proc. SPIE 4072, Fourth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 May 2000); https://doi.org/10.1117/12.386717

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