Instantaneous velocity field measurement of objects in coaxial rotation using digital image velocimetry

Young Chung Cho; Hongwoo Park

doi:10.1117/12.23345

1 January 1991 Instantaneous velocity field measurement of objects in coaxial rotation using digital image velocimetry

Young Chung Cho, Hongwoo Park

Author Affiliations +

Proceedings Volume 1346, Ultrahigh- and High-Speed Photography, Videography, Photonics, and Velocimetry '90; (1991) https://doi.org/10.1117/12.23345
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

The instantaneous velocity fields of time-dependent flows, or of a collection of objects moving with spatially varying velocities, can be measured by means of digital image velocimetry (DIV). DIV overcomes several shortcomings of such existing techniques as laser-speckle or particle-image velocimetry. Attention is presently given to numerically generated images representing objects in uniform motion which are then used for the experimental validation of DIV.

Citation Download Citation

Young Chung Cho and Hongwoo Park "Instantaneous velocity field measurement of objects in coaxial rotation using digital image velocimetry", Proc. SPIE 1346, Ultrahigh- and High-Speed Photography, Videography, Photonics, and Velocimetry '90, (1 January 1991); https://doi.org/10.1117/12.23345

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