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Tag Archives: Solar house heating

Solar energy:applications of solar energy

What is solar energy? “Solar energy is the energy coming from the sun and is used directly and indirectly.”The earth receives huge amount of energy directly from the sun each day.Solar energy at normal incidence outside the earth’s atmosphere is about 1.4 kWm-2 which is referred as solar constant.While passing through the atmosphere,the total energy is reduced due to reflection,scattering ...

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