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Proceedings Paper

Optical analysis of particle image velocimetry data
Author(s): Patrick V. Farrell; D. Goetsch
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Paper Abstract

An optical technique for analyzing particle image velocimetry data has been demonstrated on a variety of particle patterns from actual flows and from similar translate diffuser experiments. The technique uses point-by-point illumination of the particle image and two subsequent 2D FFTs to produce an autocorrelation pattern of the particles from which the particle displacement is determined. The dynamic range in the technique''s configuration is about 30:1, with reasonably good processor speed.

Paper Details

Date Published: 1 November 1990
PDF: 10 pages
Proc. SPIE 1404, ICALEO '89: Optical Methods in Flow and Particle Diagnostics, (1 November 1990); doi: 10.1117/12.34955
Show Author Affiliations
Patrick V. Farrell, Univ. of Wisconsin-Madison (United States)
D. Goetsch, Univ. of Wisconsin-Madison (United States)


Published in SPIE Proceedings Vol. 1404:
ICALEO '89: Optical Methods in Flow and Particle Diagnostics
Marshall B. Long, Editor(s)

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