A simple method to use solar energy is to heat water or air with the help of a flat plate collector. The temperature of energy collection, for actual use, by this method is limited to about 65°C, thereby, limiting the scope of their applicability. It is known that 80% of the process heat required in many industries e.g., textile, drugs and pharmaceuticals, sugar, dairy and dairy products, breweries, agricultural products etc., is below 150°C. If the temperature of solar energy collection can be increased to this limit, it can make a major breakthrough in the application of solar energy.
KeywordsFresnel Lens Solar Concentrator Parabolic Trough Parabolic Dish Compound Parabolic Concentrator
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