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As shown in the figure, an exterior wall of a building has an average thermal conductivity of 0.32 Btu/h-ft-R and a thickness of L- At steady state, the temperature of the wall decreases linearly from T₁ - 70°F on the inner surface to T₂ on the outer surface. The outside ambient air temperature is To = 20°F and the convective heat transfer coefficient is 5.1 Btu/h-ft2 R. x=0.32 Besh-ft-R T₁- b-5.1 Bruh-ft¹ R

As shown in the figure, an exterior wall of a building has an average thermal conductivity of 0.32 Btu/h-ft-R and a thickness of L- At steady state, the temperature of the wall decreases linearly from T₁ - 70°F on the inner surface to T₂ on the outer surface. The outside ambient air temperature is To = 20°F and the convective heat transfer coefficient is 5.1 Btu/h-ft2 R. x=0.32 Besh-ft-R T₁- b-5.1 Bruh-ft¹ R

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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As shown in the figure, an exterior wall of a building has an average thermal conductivity of 0.32 Btu/h-ft-R and a thickness of L = 5 in. At steady state, the temperature of the wall decreases linearly from T₁ - 70°F on the inner surface to T₂ on the outer surface. The outside ambient air temperature is To = 20°F and the convective heat transfer coefficient is 5.1 Btu/h-ft²°R. -Wall Step 1 * Your answer is incorrect. Determine the temperature T₂ in °F. Determine the temperature T₂ in °F, and the rate of heat transfer through the wall, in Btu/h per ft² of surface area. T₂ = 20.62 x=0.32 Bruh ft R °F. T₁- h 5.1 Bruh ft R -T₂
Transcribed Image Text:As shown in the figure, an exterior wall of a building has an average thermal conductivity of 0.32 Btu/h-ft-R and a thickness of L = 5 in. At steady state, the temperature of the wall decreases linearly from T₁ - 70°F on the inner surface to T₂ on the outer surface. The outside ambient air temperature is To = 20°F and the convective heat transfer coefficient is 5.1 Btu/h-ft²°R. -Wall Step 1 * Your answer is incorrect. Determine the temperature T₂ in °F. Determine the temperature T₂ in °F, and the rate of heat transfer through the wall, in Btu/h per ft² of surface area. T₂ = 20.62 x=0.32 Bruh ft R °F. T₁- h 5.1 Bruh ft R -T₂
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