Question

A cylindrical block with an outer radius of 85 mm has a steel fin of 3 mm thickness with a radius of

Answer 1

A cylindrical block with an outer radius of 85 mm has a steel fin of 3 mm thickness with a radius of 100 mm. The base temperature of the fin is 135 ° C, the ambient temperature is 35 ° C, and the heat transfer coefficient is k= 250 W / m2K. a) Assuming that the fin tips are insulated, calculate the temperature at r = 90 mm on the fin and the amount of heat transferred from the fin to environment. b) Compare the heat transfer if the cylinder is with fin and without fin, considering that there is a 4 mm gap between the two fin.

Answer 2

Step-by-step explanation:

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