A solar collector consists of a long duct through which air is blown; its cross section forms an equilateral triangle 1 m on a side. One side consists of a glass cover of emissivity = 0.9, while the other two sides are absorber plates with 2 = ₁ = 1.0. E₁, T₁ Glass cover ez, T₂- €₂. T₂ -Absorber plates During operation the surface temperatures are known to be T₁ = 25°C, T₂ = 45°C, and T₁ = 80°C. What is the net rate at which radiation is transferred to the cover due to exchange with the absorber plates, in W/m?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Parvinbhai 

A solar collector consists of a long duct through which air is blown; its cross section forms an equilateral triangle 1 m on a side. One
side consists of a glass cover of emissivity = 0.9. while the other two sides are absorber plates with 2 = 3 = 1.0.
i 290.054
E1, T₁7
W/m
Glass
cover
£3, T3
-2 T₂
During operation the surface temperatures are known to be T₁ = 25°C,T,= 45°C, and T₁ = 80°C. What is the net rate at which
radiation is transferred to the cover due to exchange with the absorber plates, in W/m?
Absorber
plates
Transcribed Image Text:A solar collector consists of a long duct through which air is blown; its cross section forms an equilateral triangle 1 m on a side. One side consists of a glass cover of emissivity = 0.9. while the other two sides are absorber plates with 2 = 3 = 1.0. i 290.054 E1, T₁7 W/m Glass cover £3, T3 -2 T₂ During operation the surface temperatures are known to be T₁ = 25°C,T,= 45°C, and T₁ = 80°C. What is the net rate at which radiation is transferred to the cover due to exchange with the absorber plates, in W/m? Absorber plates
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