Question: Two special coatings are available for application to an absorber plate installed below the cover glass described in Example 12.8. Each coating is diffuse and

Two special coatings are available for application to an absorber plate installed below the cover glass described in Example 12.8. Each coating is diffuse and is characterized by the spectral distributions shown. Which coating would you select for the absorber plate? Explain briefly. For the selected coating, what is the rate at which radiation is absorbed per unit area of the absorber plate if the total solar irradiation at the cover glass is GS = 1000 W/m2?

Coating B Coating A 0.85 0.08 2 (um)

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