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Quantitative flow visualization - Toward a comprehensive flow diagnostic tool

delete2006-01-24
delete3
PRE
AI
M
M. Gharib *
F
Francisco Pereira
D
Dana Dabiri
D
Darius Modarress
DOI：10.1111/j.1749-6632.2002.tb04546.xdelete
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Abstract

Abstract

En 中文
Quantitative flow visualization has many roots and has taken several approaches. The advent of digital image processing has made it practical to extract useful information from every kind of flow image. In a direct approach, the image intensity or color (wavelength or frequency) can be used as an indication of concentration, density and temperature field, or gradients of these scalar fields in the flow.(1) For whole-field velocity measurement, the method of choice for experimental fluid mechanicians has been digital particle image velocimetry (DPIV). This paper presents a novel approach to extend the DPIV technique from a planar method to a full three-dimensional volume mapping technique.
Keywords:
imaging
visualization
PIV
DPIV
diagnostics
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