Aluminum fins of triangular profile are attached to a plane wall whose surface temperature is 100°C....

Aluminum fins of triangular profile are attached to a plane wall whose surface temperature is 100°C. The fin base thickness is 2.0 mm, and its length is 10 mm. The system is in ambient air at a temperature of 20°C, and the surface convection coefficient is 40 W/m2·K. (a) What are the fin efficiency and effectiveness? (b) What is the heat dissipated per unit width by a single fin?

(a)nf=

ef=

(b)q'f=

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samet mamat answered 1 year ago

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