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An opaque surface with the prescribed spectral, hemispherical reflectivity distribution is subjected to the spectral irradiation shown. Assume that p₁ = 0.5 and G₁ = 700 W/m².um. 1.0 P₁ 5 10 15 λ (um) (a) Determine the total irradiation on the surface, in W/m². G = i W/m² G₂ (W/m².um) (b) Determine the radiant flux that is absorbed by the surface, in W/m². W/m² Gabs i (c) What is the total, hemispherical absorptivity of this surface? α = i G₁ 10 5 10 15 20 λ (um)

An opaque surface with the prescribed spectral, hemispherical reflectivity distribution is subjected to the spectral irradiation shown. Assume that p₁ = 0.5 and G₁ = 700 W/m².um. 1.0 P₁ 5 10 15 λ (um) (a) Determine the total irradiation on the surface, in W/m². G = i W/m² G₂ (W/m².um) (b) Determine the radiant flux that is absorbed by the surface, in W/m². W/m² Gabs i (c) What is the total, hemispherical absorptivity of this surface? α = i G₁ 10 5 10 15 20 λ (um)

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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An opaque surface with the prescribed spectral, hemispherical reflectivity distribution is subjected to the spectral irradiation shown. Assume that p₁ = 0.5 and G₁ = 700 W/m².um. 1.0 P₁ 5 10 15 λ (um) (a) Determine the total irradiation on the surface, in W/m². G = i W/m² G₂ (W/m².um) (b) Determine the radiant flux that is absorbed by the surface, in W/m². W/m² Gabs i (c) What is the total, hemispherical absorptivity of this surface? α = i G₁ 10 5 10 15 20 λ (um)
Transcribed Image Text:An opaque surface with the prescribed spectral, hemispherical reflectivity distribution is subjected to the spectral irradiation shown. Assume that p₁ = 0.5 and G₁ = 700 W/m².um. 1.0 P₁ 5 10 15 λ (um) (a) Determine the total irradiation on the surface, in W/m². G = i W/m² G₂ (W/m².um) (b) Determine the radiant flux that is absorbed by the surface, in W/m². W/m² Gabs i (c) What is the total, hemispherical absorptivity of this surface? α = i G₁ 10 5 10 15 20 λ (um)
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