Question

Annular aluminum fins of rectangular profile are attached to a circular tube having an outside diameter of 50 mm and an outer surface temperature of 200

c. the fins are 4 mm thick and 15 mm long. the system is in ambient air at a temperature of 20 c, and the surface convection coefficient is 40 w/m2k. find out the efficiency of fin, effectiveness of fin and the rate of heat transfer per unit length of fin.

Answer 1

kijie na po na krna,464379484937336*685/3*3+365