Experimental and Numerical Study of the Performance Improvement of the Solar Dryer Equipped with PVT
Received: 25 February 2024 | Revised: 5 March 2024 | Accepted: 15 March 2024 | Online: 1 June 2024
Corresponding author: Mohamed Fterich
Abstract
This research addresses the improvement of the performance of a solar dryer equipped with a PVT unit by integrating a heat exchanger into the drying system. The results indicated that introducing a heat exchanger into the drying process had a positive impact on enhancing and raising the drying temperature by harnessing the amount of free energy dissipated after the drying operation. The absorbed energy ranged from 30 J/s to 275 J/s from the hot air emitted throughout the drying process during the day, depending on the drying temperature. This paper also discusses the influence of the drying room design on the thermal balance within the room. Consequently, four different designs for the drying room were developed and studied with the COMSOL software. The findings revealed that the design-4, which optimally places two air inlets (one at the bottom and one at the top) on one side, whereas the opposing side has a centralized air outlet, utilizing a fan to ensure effective air circulation, is the best solution in terms of thermal balance and distribution of the drying air inside the drying chamber.
Keywords:
solar dryer, PVT, solar energy, enhanced heat transfer, heat exchanger, 3D CFD simulationDownloads
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Copyright (c) 2024 Mohamed Fterich, Ahmed Saadeddine Souissi, Ezzeddinne Toutti, Hatem Bentaher
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