On the Development of Defocusing Digital Particle Image Velocimetry with Full Characterization

Author: Graff, Emilio Castaño

Year: 2007

Degree: Dissertation (Ph.D.)

Advisor: Gharib, Morteza

Committee Members: Gharib, Morteza; Yang, Changhuei; Ravichandran, Guruswami; Shepherd, Joseph E.

Option: Aeronautics

DOI: 10.7907/Z9HM56F8

Abstract

Defocusing Digital Particle Image Velocimetry is the first volumetric, three-dimensional PIV method ever put into practice. This manuscript contains the details of its development, a detailed analysis of its performance (both through simulation and real measurements), and a series of experimental demonstrations of the capability of the technique. The system is capable of resolving upwards of 7,000 vectors per pair with an absolute error on the order of 0.03% of the volume size.

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