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Integrative and Comparative Biology 2002 42(5):964-970; doi:10.1093/icb/42.5.964
© 2002 by The Society for Integrative and Comparative Biology
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Quantitative Flow Visualization: Toward a Comprehensive Flow Diagnostic Tool1

Mory Gharib2,1, Francisco Pereira1, Dana Dabiri1, Jay R. Hove1 and Darius Modarress1
1 Graduate Aeronautical Laboratory, California Institute of Technology, Pasadena, California

Quantitative flow visualization has many roots and has taken several approaches. The advent of digital image processing has made it possible to practically 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 fields or gradients of these scalar fields in the flow (Merzkirch, 1987). For whole-field velocity measurement, the method of choice by experimental fluid mechanicians has been the technique of 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 useful in both engineering and biological applications.


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