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Tuesday, 24 June 2014

Solar Heaters

Solar Heaters Points : Solar Heaters, Solar Flat Plate Collector, Parabolic Reflector Through with solar radiation, water or some fluid can intense by use a flat plate aerial or a parabolic reflector.
Solar water heating method has several applications in domestic with industrial sectors. Such systems can give hot water for dissimilar applications in industries directly or while boiler feed and also hotels and canteens. Solar Flat Plate Collector Absorber plate generally is metallic and is generally coated black to absorb extra thermal energy. Tubes, passages or channels integral by collector take water, air or other work fluid. Insulation must be providing at back with at sides to minimize heat losses. Generally, glass wool is use as insulate material. A visible cover up (generally glass) must be providing on top. This cover will allow energy as of sun on to metal plate as it is at a shorter wavelength. As radiation strike the plate, a part of energy is reveal back to cover. While radiation is at a advanced wavelength, it not go out to air. Instead, cover will imitate the energy reverse to absorber plate and thus amplify heat transfer. If there is no see-through cover, the reproduce energy would have be lost. It the flow fluid is water, the hot water can be collect in a tank and re-circulated. Small water circulate pump can too be introduce at inlet side of collector. Such a system gives a enhanced effect due to better heat transmit.
Parabolic Reflector Parabolic reflector is extremely polished metallic surface are use as reflector. Reflector will usually have a parabolic form so the sun rays signal the profile will be reflect on its central point, if a tube moving a fluid is reserved along focal line, the fluid will be intense to a extremely elevated temperature.

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