Solar energy reaching the earth is about 1350 W/m 2 outside the earths atmosphere, and 950 W/m

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Solar energy reaching the earth is about 1350 W/m2 outside the earth’s atmosphere, and 950 W/m2 on earth’s surface normal to the sun on a clear day. Someone is marketing 2 m × 3 m photovoltaic cell panels with the claim that a single panel can meet the electricity needs of a house. How do you evaluate this claim? Photovoltaic cells have a conversion efficiency of about 15 percent.

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Fundamentals of Thermal-Fluid Sciences

ISBN: 978-0078027680

5th edition

Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala

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