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Proceedings Paper

Single-sided thermal diffusivity imaging in composites with a shuttered thermographic inspection system
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Paper Abstract

A measurement configuration is discussed where shutters are placed in front of the imager and the flash lamps. Proper timing for the opening and closing of the shutters eliminates a direct interaction between the imager and flash lamps for a single sided measurement, enabling accurate measurement of the thermal response of a specimen. The time dependence of the thermal response is analyzed to produce an image of the effective diffusivity of the specimen.

Paper Details

Date Published: 15 March 2002
PDF: 9 pages
Proc. SPIE 4710, Thermosense XXIV, (15 March 2002); doi: 10.1117/12.459604
Show Author Affiliations
William P. Winfree, NASA Langley Research Ctr. (United States)
Joseph N. Zalameda, Army Research Lab. (United States)

Published in SPIE Proceedings Vol. 4710:
Thermosense XXIV
Xavier P. Maldague; Andres E. Rozlosnik, Editor(s)

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