Consider a cylindrical steel pipe of an inner radius of 2.9m, an outer radius of 3.2m, and thermal conductivity = 43 W/m.K. The pipe is covered with an insulating material having a thickness of 1m and thermal conductivity k=0.06 W/m.K. The outside of the insulation is exposed to an environment having h = 10 W/m2.K and T=293K. The temperature of the inside of the pipe is 523K. For unit length of the pipe, calculate: Overall thermal resistance O 0.53934 K/W O 0.90188 K/W 0.42934 K/W O 0.72548 K/W

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Consider a cylindrical steel pipe of an inner radius of 2.9m, an outer radius of 3.2m, and thermal
conductivity = 43 W/m.K. The pipe is covered with an insulating material having a thickness of 1m
and thermal conductivity k=0.06 W/m.K. The outside of the insulation is exposed to an environment
having h = 10 W/m?.K and T=293K. The temperature of the inside of the pipe is 523K. For unit
length of the pipe, calculate:
Overall thermal resistance
0.53934 K/W
O 0.90188 K/w
0.42934 K/W
O 0.72548 K/W
Transcribed Image Text:Consider a cylindrical steel pipe of an inner radius of 2.9m, an outer radius of 3.2m, and thermal conductivity = 43 W/m.K. The pipe is covered with an insulating material having a thickness of 1m and thermal conductivity k=0.06 W/m.K. The outside of the insulation is exposed to an environment having h = 10 W/m?.K and T=293K. The temperature of the inside of the pipe is 523K. For unit length of the pipe, calculate: Overall thermal resistance 0.53934 K/W O 0.90188 K/w 0.42934 K/W O 0.72548 K/W
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