As shown in the figure, an exterior wall of a building has an average thermal conductivity of 0.32 Btu/h-ft-ºR and a thickness of L = 6 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-ft2.0R. Wall x=0.32 Btu/h ft. R T₁- h=5.1 Btu/h ft2². °R

As shown in the figure, an exterior wall of a building has an average thermal conductivity of 0.32 Btu/h-ft-ºR and a thickness of L = 6 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-ft2.0R. Wall x=0.32 Btu/h ft. R T₁- h=5.1 Btu/h ft2². °R

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter2: Steady Heat Conduction

Section: Chapter Questions

Problem 2.44P: 2.44 To determine the thermal conductivity of a long, solid 2.5-cm-diameter rod, one half of the rod...

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