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Feasibility study of three-dimensional PIV by correlating images of particles within parallel light sheet planes

Raffel, M. and Gharib, M. and Ronneberger, O. and Kompenhans, J. (1995) Feasibility study of three-dimensional PIV by correlating images of particles within parallel light sheet planes. Experiments in Fluids, 19 (2). pp. 69-77. ISSN 0723-4864.

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One approach to obtain information about the out-of-plane velocity component from PIV recordings is to analyze the height of the peak in the correlation plane. This value depends on the portion of paired particle images, which itself depends on the out-of-plane velocity component and on other parameters. To circumvent problems with other influences (e.g. background light, amount and size of images), images from another light sheet plane parallel to the first one were also captured for peak height normalization. Our experimental results show the feasibility of an out-of-plane velocity estimation by analyzing images of particles within parallel light sheets by spatial cross-correlation.

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Additional Information:© 1995 Springer-Verlag. Received: 26 October 1994; Accepted: 22 January 1995. The authors would like to thank DLR for supporting Markus Raffel's and Olaf Ronneberger's visit to Caltech (Center for Quantitative Visualisation), and the Office of Naval Research through the URI grant ONR-URI-N00014-92-J-1610. Dr. Alexander Weigand's generous offer of his experimental set-up and stimulating discussions with Dr. Jerry Westerweel and Dr. Thomas Roesgen are greatly appreciated. Special thanks also to Dr. Christian Willert for his advice regarding the modifications to the DPIV software.
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Office of Naval Research (ONR-URI)N00014-92-J-1610
Issue or Number:2
Record Number:CaltechAUTHORS:20130913-144242100
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ID Code:41328
Deposited By: Tony Diaz
Deposited On:16 Sep 2013 21:07
Last Modified:03 Oct 2019 05:48

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