Solar drying of sweet pepper and garlic using the tunnel greenhouse drier

摘要

A new low cost design for a forced convection greenhouse drier, the Tunnel Greenhouse Drier, has been built and tested. Its main parts are: a plastic greenhouse cover containing a Drying tunnel made with transparent plastic walls; a line of carts with several stacked trays Containing the product and moved manually inside the tunnel and an electrical fan that moves The hot air from the greenhouse into the tunnel.