In the southern region of Arizona, how much solar radiation is intercepted on average by two flat plate collectors (with dimensions 1 m 1.5 m) that are tilted at an angle equal to the latitude of its location in the month of January as compared to June?

What will be an ideal response?


For January, assuming 5 kWh/m2/day of solar radiation could strike the collectors that are tilted at an angle equal to the latitude of the location,

total solar energy intercepted by the two collectors is



For June, assuming 8 kWh/m2/day, total solar energy intercepted by the two collectors is



The amount of solar radiation intercepted in January would be 255 kWh (or 870,060 Btu) less than that in June.

Environmental & Atmospheric Sciences

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