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Proceedings Paper

In-plane displacement measurements at tip speeds of more than 260m s -1
Author(s): Richard W. T. Preater; Robin C. Swain
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Paper Abstract

This paper discusses the measurement of in-plane displacements on discs driven at high rotational speeds using an optical technique called Electronic Speckle Pattern Interferometry (ESPI). Some of the basic theory concerning rotating components is discussed followed by an explanation of how interference fringes are generated on the test specimen. The interpretation of the fringes and method of analysis using a well established fringe analysis technique based on the two dimensional Fourier transform is then discussed. The extracted data is compared with mathematical models in the results section.

Paper Details

Date Published: 15 February 1993
PDF: 13 pages
Proc. SPIE 1756, Interferometry: Applications, (15 February 1993); doi: 10.1117/12.140793
Show Author Affiliations
Richard W. T. Preater, City Univ. (United Kingdom)
Robin C. Swain, City Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 1756:
Interferometry: Applications
Ryszard J. Pryputniewicz; Gordon M. Brown; Werner P. O. Jueptner, Editor(s)

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