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How solar cookers work

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Most solar cookers work on the basic principle: Sunlight is converted to heat energy, that is retained for cooking. Below is the basic science for solar panel cookers and solar box cookers. Another style of solar cooker is a parabolic solar cooker. They typically require more frequent reorientation to the sun, but will cook more quickly at higher temperatures, and can fry foods. Evacuated tube solar cookers use a highly insulated double-wall glass tube for the cooking chamber, and do not require large reflectors.

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Most solar cookers work on the basic principle: Sunlight is converted to heat energy, that is retained for cooking. Below is the basic science for solar panel cookers and solar box cookers. Another style of solar cooker is a parabolic solar cooker. They typically require more frequent reorientation to the sun, but will cook more quickly at higher temperatures, and can fry foods. Evacuated tube solar cookers use a highly insulated double-wall glass tube for the cooking chamber, and do not require large reflectors. File:Solar Cooking basics, SCI 2004, pg. 1, 12-9-14.png A solar cooker needs an outdoor location that is sunny for several hours and protected from strong wind, and where food will be safe. Solar cookers don't work at night or on cloudy days, though during the best months for cooking, many foods can be cooked under intermittent clouds or a light haze, as long as food is put out early and there is definitely more sun than not overall. File:Solar Cooking basics, SCI 2004, pg. 2, 12-19-14.png * Parabolic solar cookers use a bowl-shaped reflector to focus the light more directly onto the cookpot, usually from below, and typically do not require a greenhouse enclosure to retain the heat. They can also fry and broil foods.