The absorber plate and the adjoining cover plate of
Chapter 9, Problem 9.89(choose chapter or problem)
The absorber plate and the adjoining cover plate of aflat-plate solar collector are at 70 and 35C, respec-tively, and are separated by an air space of 0.05 m.What is the rate of free convection heat transfer per unitsurface area between the two plates if they are inclinedat an angle of 60 from the horizontal?
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