Dabiri, D. and Gharib, M. (1991) Digital particle image thermometry: The method and implementation. Experiments in Fluids, 11 (2-3). pp. 77-86. ISSN 0723-4864. https://resolver.caltech.edu/CaltechAUTHORS:20130919-120040820
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Abstract
A computerized flow visualization technique capable of automatically quantifying the temperature field in a two-dimensional cross section of a flow field is described. The temperature sensors used are fast-response temperature-sensitive micro-encapsulated liquid crystal particles. Illuminating the flow by a thin sheet of white light, the reflected colors from the liquid-crystal particles were captured through a 3-chip video color camera and stored onto a videotape for subsequent data processing. The temperature field was obtained through an automatic color-temperature calibration scheme in HSI rather than RGB space, thus allowing for data processing of approximately one-third the time of RGB processing. The technique is finally applied to the study of a heated vortex-ring and some preliminary results are discussed.
Item Type: | Article | ||||||
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Additional Information: | © 1991 Springer-Verlag. Received July 1, 1990. This work is sponsored by the Defense Advanced Research Project Agency-ACMP through the URI program under contract number DARPA/ACMP N00014-86-k-0758. The authors would like to thank Mr. Alex Weigand for his assistance in the heated vortex-ring experiment. | ||||||
Group: | GALCIT | ||||||
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Issue or Number: | 2-3 | ||||||
Record Number: | CaltechAUTHORS:20130919-120040820 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20130919-120040820 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 41412 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Tony Diaz | ||||||
Deposited On: | 19 Sep 2013 19:46 | ||||||
Last Modified: | 03 Oct 2019 05:48 |
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