Novel cooling system for free-standing photovoltaic panels

Journal article


Kargaran, M., Goshayeshi, H. R, Saleh, S. R., Zahmatkesh, I. and Chaer, I. (2024). Novel cooling system for free-standing photovoltaic panels. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. 46 (1), pp. 8155-8170. https://doi.org/10.1080/15567036.2024.2368492
AuthorsKargaran, M., Goshayeshi, H. R, Saleh, S. R., Zahmatkesh, I. and Chaer, I.
Abstract

Although photovoltaic (PV) technologies enjoy tremendous benefits and hold the huge potential to lower building overall energy consumption, there is a major drawback. PV efficiency is extremely sensitive to heat and significantly reduced by increasing setting temperature and solar irradiance; thereby, thermal management in PV collectors plays a significant role in generating electrical energy. Using oscillating heat pipes attached to the rear side of PV panels is considered a novel and useful approach to dissipating heat. In this study, a novel cooling system that consists of a newly designed spiral oscillating heat pipe is introduced, while DI water and 0.2 g/l graphene are used as working fluid and PV panels are located at tilt angles of 30° and 60°. The OHP efficiency is higher at 60°; however, the efficiency of PV is maximized at 30° since the panel is exposed to maximum solar irradiance. The research demonstrates that the cooling method proves highly effective, especially in the hottest time of the day and the power output improves considerably from 38 W to more than 42 W at 30°, while the value is about 39.7 W when water is used as a coolant.

KeywordsGraphene oxide; heat transfer; nanofluid; oscillating heat pipe; photovoltaic system
Year2024
JournalEnergy Sources, Part A: Recovery, Utilization, and Environmental Effects
Journal citation46 (1), pp. 8155-8170
PublisherTaylor & Francis
ISSN1556-7036
1556-7230
Digital Object Identifier (DOI)https://doi.org/10.1080/15567036.2024.2368492
Web address (URL)https://www.tandfonline.com/doi/full/10.1080/15567036.2024.2368492
Publication dates
Online26 Jun 2024
Publication process dates
Accepted08 Jun 2024
Deposited11 Jul 2024
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Open
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