2.1. Description of the Drying System
In this study we used an indirect solar dryer with forced convection (figure1) designed and realized by the energy
conversion research group at LENREZA laboratory, Kasdi Merbah University in southern of Algeria. The used drying
apparatus has been object of some improvements particularly the connection of the system with solar panels to
increase the temperature of the drying room.
The characteristics of photovoltaic panels are:
Maximal power :75w
Power tension :17v
Maximal electric current : 4.4 A
The main components of the drying system are mentioned as follows.
Production unit of hot air