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Proceedings Paper

Infrared Thermography Study And Digital Thermal Image Processing For Solar Collectors In Irrigation
Author(s): Ghislain Destobbeleire
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Paper Abstract

Knowledge of real coolant fluid circulation through solar collectors is important to evaluate their performances and to describe reaction of some solars installations. Infrared thermography is a non destructive way, which can be used without modifying the studied material in operation. From a qualitative point of vue, it allows us to detect some systematic and ponctual defects into solar collectors and into some solar collector sets. Digital processing of thermal images allowed us to quantify some parameters like coolant fluid rate of flow and speed inside absorbers and to determine really irrigated surface, whence the notion of irrigation ratio. At the end of these researchs, on in situ running solar collector, one method is proposed permitting to link transparent cover surface temperature range with solar collector irrigation.

Paper Details

Date Published: 11 May 1987
PDF: 9 pages
Proc. SPIE 0780, Thermosense IX: Thermal Infrared Sensing for Diagnostics and Control, (11 May 1987); doi: 10.1117/12.940494
Show Author Affiliations
Ghislain Destobbeleire, Centre d'Etudes Techniques de l'Equipement Mediterranee (France)

Published in SPIE Proceedings Vol. 0780:
Thermosense IX: Thermal Infrared Sensing for Diagnostics and Control
Robert P. Madding, Editor(s)

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