Dish Solar Cooker It is a concentrating type parabolic dish solar cooker with aperture diameter of 1.4 meter and focal length 0.28 meter. The reflecting material used for fabrication of this cooker is anodized aluminum sheet which has a reflectivity of over 75%. 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 40% can meet the needs of 10 to 15 people and can be used from one hour after sunrise to one hour before sunset on clear days. Dish solar cooker is being fabricated and promoted in the country by a few manufacturers/ suppliers. The cooker can be easily dismantled and assembled by anybody and thus may be nicely packed and transported anywhere in the country. The cookeris user friendly as the place of vessel to be kept for cooking is at a level which is convenient for the people to use. The cooker could be useful for individuals in rural as well as urban areas and also for small establishments like dhabas, tea shops, etc. on road sides.
it can save up to 10 LPG cylinders/year on full use at small establishments.