Two bars, A and B, each of length 2.3 m and cross-sectional area 1.7 m2, are placed end to end as shown in the figure. A B 373 K 273 K The thermal conductivities of the bars are kA = 439 J/(s xm x K) and kB 887 J/(s x m × K), respectively. The left end of bar A is maintained at 373 K while the right end of B is maintained at 273 K. What is the rate of heat transfer (in W) through this combination?

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Two bars, A and B, each of length 2.3 m and cross-sectional area 1.7 m2, are placed end to end as shown in the figure.
В
373 K
273 K
The thermal conductivities of the bars are
kA = 439 J/(s xm x K) and kg = 887 J/(s x m x K), respectively. The left end of bar A is maintained at 373 K while the right end of B is
maintained at 273 K.
What is the rate of heat transfer (in W) through this combination?
Transcribed Image Text:Two bars, A and B, each of length 2.3 m and cross-sectional area 1.7 m2, are placed end to end as shown in the figure. В 373 K 273 K The thermal conductivities of the bars are kA = 439 J/(s xm x K) and kg = 887 J/(s x m x K), respectively. The left end of bar A is maintained at 373 K while the right end of B is maintained at 273 K. What is the rate of heat transfer (in W) through this combination?
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