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EX2: Cylindrical Shell

Consider a 10 mm thick polyvinyl chloride (PVC) tube 50 mm in inside diameter and 3 m long. There is a heater which fits into the center of the tube generating heat uniformly at a rate of 200 watts/meter of length. The thermal conductivity of the tube is 0.15 W/ mK. Assume no heat escapes at the ends of the tube.



Figure 4:





Problem 38:

If the outside wall of the tube has a temperature of 30° C, what is the temperature of the inside wall of the tube?

Answer

Problem 39:

What is the radial temperature gradient at the inside wall of the tube?

Answer

Problem 40:

Plot the radial temperature distribution in the tube.

Answer

 
 
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