A photovoltaic panel of dimension 2 m 4 m is installed on

Chapter , Problem 1.67

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A photovoltaic panel of dimension 2 m 4 m is installed on the roof of a home. The panel is irradiated with a solar flux of GS 700 W/m2 , oriented normal to the top panel surface. The absorptivity of the panel to the solar irradiation is S 0.83, and the efficiency of conversion of the absorbed flux to electrical power is P/SGSA 0.553 0.001 K1 Tp, where Tp is the panel temperature expressed in kelvins and A is the solar panel area. Determine the electrical power generated for (a) a still summer day, in which Tsur T 35 C, h 10 W/m2 K, and (b) a breezy winter day, for which Tsur T 15 C, h 30 W/m2 K. The panel emissivity is 0.90. 1.6

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