Photovoltaic based forced convection solar tunnel dryer for pineapple
2024
BK Bala | MD Hossain | MRA Mondol
Study was conducted to investigate the performance of the solar tunnel drier for drying of pineapple under Bangladesh conditions. The drier consisted of a transparent UV stabilized plastic covered flat plate collector and a drying tunnel. The driver was arranged to supply hot air directly into the drying tunnel using two d.c. fans powered by a 40 W solar cell module. The temperature of drying air at the collector outlet varied from 23°C to 40°C and the pineapple could be dried within 3-4 days compared to 4-5 days needed for natural sun drying. The drier could be used in rural areas where there is no supply of electricity from grid.
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