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

William P. Winfree; Joseph N. Zalameda

doi:10.1117/12.459604

15 March 2002 Single-sided thermal diffusivity imaging in composites with a shuttered thermographic inspection system

Proceedings Volume 4710, Thermosense XXIV; (2002) https://doi.org/10.1117/12.459604
Event: AeroSense 2002, 2002, Orlando, FL, United States

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.

Citation Download Citation

William P. Winfree and Joseph N. Zalameda "Single-sided thermal diffusivity imaging in composites with a shuttered thermographic inspection system", Proc. SPIE 4710, Thermosense XXIV, (15 March 2002); https://doi.org/10.1117/12.459604

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