Natural and forced air convection operation in a direct solar dryer assisted by photovoltaic module for drying of green onion

•A direct solar dryer self-sufficient in energy was developed with PV module.•Drying kinetics of green onions under natural and forced convection were evaluated.•The drying air convection controlled the constant rate period.•Colorimetic analysis were performed on green onions after solar drying.•The...

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Veröffentlicht in:	Solar energy 2021-05, Vol.220, p.24-34
Hauptverfasser:	Hidalgo, Letícia Ferraresi, Candido, Mariana Nascimento, Nishioka, Karina, Freire, José Teixeira, Vieira, Gustavo Nakamura Alves
Format:	Artikel
Sprache:	eng
Schlagworte:	Color Colorimetry Convection Convection cooling Coolers Drying Efficiency Electric power Energy analysis Energy consumption Energy distribution Food drying Forced convection Free convection Modules Onions Photovoltaic Photovoltaic cells Photovoltaics Solar dryers Solar drying Solar energy Straight lines Transport phenomena
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