A new improved design of a solar dryer having capacity of 25 kg fresh food per batch, has been worked out for drying food product hygienically. Apart from solar radiation and natural convection of air currents in the dryer one more feature has been added to improve the drying of fruits and vegetables. The feature is based on simultaneous generation of electricity by a solar panel and using it for creating an induced draft of air by fans which are installed in the dryer. This dryer achieves sufficiently high chamber temperature and dries product in accelerated manner.
Bhabha Atomic Research Centre (BARC)
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