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Proceedings Paper

Visualization and study of heat diffusion in glass by a compact schlieren system
Author(s): Adrian Petris; Carmen Popa; Dragos Popa; Valentin I. Vlad
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Paper Abstract

The experimental study of heat diffusion in glass by a compact schlieren system is presented. The schlieren system has been set up with a single transverse mode laser diode as light source. We have used a plane thermal source (a heated metal plate) to generate thermal fields in a plane glass plate sitting perpendicular to the thermal source. The schlieren images were recorded using a CCD camera and a video recorder connected to a PC. A specific software did a further digital image processing. The experimental results have been checked against a theoretical model of the heat diffusion in an infinite medium at a strong and short thermal excitation by a plane thermal source. A good agreement between experimental and theoretical results was found, up to some differences between the experimental conditions and the theoretical hypotheses, which validate this method as a quantitative one in such experiments.

Paper Details

Date Published: 29 June 2001
PDF: 6 pages
Proc. SPIE 4430, ROMOPTO 2000: Sixth Conference on Optics, (29 June 2001); doi: 10.1117/12.432890
Show Author Affiliations
Adrian Petris, Institute of Atomic Physics (Romania)
Carmen Popa, Univ. Politehnica Bucharest (Romania)
Dragos Popa, Univ. Politehnica Bucharest (Romania)
Valentin I. Vlad, Institute of Atomic Physics (Romania)

Published in SPIE Proceedings Vol. 4430:
ROMOPTO 2000: Sixth Conference on Optics
Valentin I. Vlad, Editor(s)

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