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Journal of Flow Visualization and Image Processing

Published 4 issues per year

ISSN Print: 1065-3090

ISSN Online: 1940-4336

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.6 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.6 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00013 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.14 SJR: 0.201 SNIP: 0.313 CiteScore™:: 1.2 H-Index: 13

Indexed in

HIGH-SPEED COLOR INTERFEROMETRY

Volume 11, Issue 4, 2004, 11 pages
DOI: 10.1615/JFlowVisImageProc.v11.i4.50
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ABSTRACT

This paper presents the improvements brought by ONERA in differential and absolute color interferometry. When the optical technique produces differential measurements, a polarized white light source and one or two Wollaston prisms are used. High-speed interferograms of the flow downstream of a circular base are recorded with a camera at 35,000 frames per second with a 750 nanosecond exposure time for each frame. Unfortunately, as the optical technique yields differential measurements, it is necessary to integrate the data, which results in some inaccuracy in the measurements. Our latest work has thus led us to develop true color real-time holographic interferometry, which allows a direct observation through a reference hologram and makes it possible to take an ultra-high-speed movie of the interferogram of a changing phenomenon. High-speed interferograms have been obtained around a circular cylinder. Using color in this technique is primordial because it combines the advantages of differential interferometry with those of monochromatic holographic interferometry. Color holographic interferometry generates the achromatic fringe and also provides absolute data throughout the entire field of observation. Results show that this technique is an efficient tool for analyzing and characterizing unsteady aerodynamic wake flows in a large field and it could well be the basis for a method of analyzing unsteady 3D flows.

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