TECHNICAL PAPERS: Experimental Techniques

Three-Dimensional Visualization and Measurement of Temperature Field Using Liquid Crystal Scanning Thermography

[+] Author and Article Information
P. M. Lutjen, D. Mishra, V. Prasad

Department of Mechanical Engineering, State University of New York at Stony Brook, Stony Brook, NY 11794-2300

J. Heat Transfer 123(5), 1006-1014 (Jan 08, 2001) (9 pages) doi:10.1115/1.1370514 History: Received February 01, 2000; Revised January 08, 2001
Copyright © 2001 by ASME
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(a) Top view of the experimental setup; (b) schematic of experimental arrangement.
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Hue versus temperature relationship for two separate calibration experiments
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Hue versus temperature at three Z locations in the narrow range calibration
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Temperature fields obtained from numerical calculations: (d) is the diagonal plane.
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Distribution of local Nusselt number on hot wall obtained from the numerical results (the y and z-axis are marked in the units of cm)
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Reconstruction of experimental temperature field for Ra=3.7×104 (d) and (e) are the diagonal planes
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Comparison of numerical and experimental median temperature value
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Local distribution of Nusselt number on (a) hot wall and (b) cold wall




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