An insulated steam pipe located where the ambient temperature is 32 °C, has an inside diameter of 50mm with 10mm thick wall. The outside diameter of the asbestos insulation is 125 mm and the heat transfer coefficient of still air, h0 = 12 W/m2·K. Inside the pipe is steam having a temperature of 150 °C with heat transfer coefficient of hi =6000 W/m2·K. Thermal conductivity of pipe and the asbestos insulation are 45 and 0.12 W/mK respectively. (a) Draw a schematic for this problem, (b) draw the thermal resistance network, and (c) determine the heat loss per unit length of pipe

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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An insulated steam pipe located where the ambient temperature is 32 °C, has an inside diameter of 50mm with 10mm thick wall. The outside diameter of the asbestos insulation is 125 mm and the heat transfer coefficient of still air, h0 = 12 W/m2·K. Inside the pipe is steam having a temperature of 150 °C with heat transfer coefficient of hi =6000 W/m2·K. Thermal conductivity of pipe and the asbestos insulation are 45 and 0.12 W/mK respectively. (a) Draw a schematic for this problem, (b) draw the thermal resistance network, and (c) determine the heat loss per unit length of pipe.

Please solve completely and correct. Also please answer a and b.

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