An aluminum rod 2.5 cm in diameter and 15 cm long protrudes from a wall maintained at 300ºC. The environment temperature is 38ºC. The heat-transfer coefficient is 17 W/m2 · ºC. Using a numerical technique in accordance with the result of Problem 3-39, obtain values for the temperature along the rod. Subsequently obtain the heat flow from the wall at x = 0.

where m denotes the node at the tip of the fin. The heat flow at the base is

where Tm is the base temperature and Tm+1 is the temperature of the first increment.

Transcribed Image Text:

Im Im-1 0 2kA 2KA -KA