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Economic analysis of hybrid solar dryer for ginger drying

Drying is an important post-harvest preservation technique of spices. As drying is an energy intensive process, accessibility to good drying methods is essential for the economical betterment of the farmers. Solar energy based drying techniques offer better return on investment to farmers. Developed hybrid solar drying system can be used for drying various agricultural products like spices, fruits and vegetables. The dryer has been coupled to an electric air heater having an auto controlling facility and blackened surface of absorber for improved drying efficiency. In the present work, the experimental study has been conducted for the natural convective mode for ginger drying has been carried out. An economic analysis and feasibility of a hybrid solar dryer was carried out and discussed with techno-economic evaluation of the developed system. | Economic analysis of hybrid solar dryer for ginger drying