DISH TYPE SOLAR COOKER

It is a concentrating type parabolic dish solar cooker useful for homes & small establishments. A typical dish solar cooker has an aperture diameter of 1.4 meter and focal length 0.28 meters. The reflecting material used for fabrication of this cooker is anodized aluminum sheet, which has a reflectivity of over 80%. The tracking of the cooker is manual and thus has to be adjusted in 15 to 20 minutes during cooking time. It has a delivering power of about 0.6 KW, which can boil 2 to 3 liters of water in half an hour. The temperature achieved at the bottom of the vessel could be around 350 to 400o C, which is sufficient for roasting, frying and boiling. The cooker having a thermal efficiency of around 50% can meet the needs of around 15 people and can be used from one hour after sunrise to one hour before sunset on clear days. It can be easily dismantled and assembled by anybody and thus may be nicely packed and transported anywhere in the country. The cooker is user friendly as the place of vessel to be kept for cooking is at a level, which is convenient for the people to use.
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