| An active evaporative cooling device for storage of fruits and vegetables was developed and evaluated. The cooling device was developed to improve the shelf life of fruits and vegetables. It consists of an inner wall (aluminum of 0.6 mm thickness), external wall (galvanized steel of 1mm thickness), one suction fan, water pump and three trays. The walls were lagged by polyurethane of 25 mm, and three trays. Water distribution network contains two water tanks of 20 litres capacity each, a PVC pipe of 25 mm diameter for conveying water, a 0.5 hp pump for circulating water from the tank to the overhead reservoir and a floated switch for controlling the pump. Water is discharged from the overhead tank through a tap and drains through a jute bag which serves as... |
