A composite wall is made of wood (Zw = 0.0127 m), cork-board (Lcb = 0.1016 m), and concrete(Le=0.0762 m). The thermal conductivities of the wall materials are k=0.151 W/m-K, keb =0.0433 W/m-K, and ke = 0.762 W/m-K. The initial temperatures of the wall are 255.4 K (Tin) and297.1 K (Tour), respectively. Assuming one-dimensional, steady state conduction, no internal heatgeneration.WoodCork-boardConcreteTinLewLcbLcToutT=300 Kh=10 W/m²K* Please note: you may ignore convection for (a) to (c). Convection is only considered in (d).(a) Sketch a thermal circuit for the composite wall and label each thermal resistance term;(b) Compute the total unit thermal resistance of the composite wall and the heat flux through thewall;(c) Find the temperature at the interface between the wood and cork-board;(d) If the outside wall experiences an airflow at an ambient temperature of 300 K, with h of 10W/m²K, what would be the new outside temperature (Tout,new) of the wall?

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Answered: A composite wall is made of wood (Zw =…

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.

Chapter4: Numerical Analysis Of Heat Conduction

Section: Chapter Questions

Problem 4.12P

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