A straight fin of rectangular profile has a thermal conductivity of
14(W)/(m)\deg C
, thickness of 2.0 mm , and length of 23 mm . The base of the fin is maintained at a temperature of
220\deg C
while the fin is exposed to a convection environment at
23^(')C
with
h=25(W)/(m^(2))\deg C
. Calculate i. The heat lost per meter of fin depth. ii. Fin effectiveness Figure 2-11 Efficiencies of straight rectangular and triangular fins.

Question

A straight fin of rectangular profile has a thermal conductivity of

14(W)/(m)\deg C

, thickness of 2.0 mm , and length of 23 mm . The base of the fin is maintained at a temperature of

220\deg C

while the fin is exposed to a convection environment at

23^(')C

with

h=25(W)/(m^(2))\deg C

. Calculate i. The heat lost per meter of fin depth. ii. Fin effectiveness Figure 2-11 Efficiencies of straight rectangular and triangular fins.

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