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Vibrations of Turbine Blades measured by Means of a Laser

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Abstract

A RELIABLE method of measuring the vibrations of the blades of a turbine while in motion is needed1. A non-contact method is clearly preferable to one involving transducers (such as strain gauges coupled to slip-rings or miniature transmitters). We have been investigating the possibility of using a laser Doppler system for such a measurement.

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References

  1. Nature, 221, 208 (1969).

  2. Botcherby, S. C. L., and Bartley-Dennis, G. A., Symp. on Lasers and the Meck. Eng., Inst. Mech. Eng., London (November 1968).

  3. Warden, M. P., Proc. IEE, 113, 997 (1966).

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Authors and Affiliations

  1. Department of Electrical and Control Engineering, University of Surrey, Guildford, Surrey

    Q. V. DAVIS & W. K. KULCZYK

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  1. Q. V. DAVIS
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  2. W. K. KULCZYK
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DAVIS, Q., KULCZYK, W. Vibrations of Turbine Blades measured by Means of a Laser. Nature 222, 475–476 (1969). https://doi.org/10.1038/222475a0

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  • DOI: https://doi.org/10.1038/222475a0

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