Numerical - Composite wall of two layers in parallel - Heat Transfer

Q.  A composite wall of two layers in parallel as shown in figure has the rate of heat transfer 2 kW/m2. The thermal resistance R1 = 0.6 K/W and R2 = 0.4 K/W. The initial temperature T1 is at 1000 K. What is the temperature T2 of the other surface?
- Published on 12 Aug 15
Heat-Flow-through-Composite-Wall-with-Parallel-Layers-Numerical.png


a. 320 K
b. 520 K
c. 220 K
d. insufficient data

ANSWER: 520 K

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