The oven is a hot box type solar cooker that has a parallelepiped form with 1200 mm length, 975 mm width and 755 mm height the all with four rollers feet. The absorber is a half cylinder constituted with a black-painted sheet and with 1100mm length and 965 mm diameter. It has a double glass cover and two reflectors (mirrors) for concentrating beam radiation onto the bottom of the box where stones are laid to store the heat. The external wall is made with a wood board: Between the board and the absorber there is a glass wool insulation of 25 mm thickness (fig 1).

Reflector Container holder Thermocouples holder Plywood box

Fig 1: Solar oven design

2. Tests