11 May 1987 Infrared Thermography Study And Digital Thermal Image Processing For Solar Collectors In Irrigation
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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.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ghislain Destobbeleire, "Infrared Thermography Study And Digital Thermal Image Processing For Solar Collectors In Irrigation", Proc. SPIE 0780, Thermosense IX: Thermal Infrared Sensing for Diagnostics and Control, (11 May 1987); doi: 10.1117/12.940494; https://doi.org/10.1117/12.940494
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