Consider a horizontal 5-mm-thick, 80-mm-long straight fin fabricated from plain carbon steel (k = 57 W/m-K, = 0.5). The base of the fin is maintained at 100°C, while the quiescent ambient air and the surroundings are at 25°C. Assume the fin tip is adiabatic, and estimate the fin heat rate per unit width, q', in W/m. Use an average fin surface temperature of 80°C to estimate the free convection coefficient, and the linearized radiation coefficient, ,, in W/m²K. d's= h= h₂ i i i W/m W/m2.K W/m².K

Elements Of Electromagnetics
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Consider a horizontal 5-mm-thick, 80-mm-long straight fin fabricated from plain carbon steel (k = 57 W/m-K, = 0.5). The base of
the fin is maintained at 100°C, while the quiescent ambient air and the surroundings are at 25°C. Assume the fin tip is adiabatic, and
estimate the fin heat rate per unit width, a', in W/m. Use an average fin surface temperature of 80°C to estimate the free convection
coefficient, and the linearized radiation coefficient,,, in W/m²K.
a's =
h=
ܐ
h₂ =
i
i
W/m
W/m².K
W/m².K
Transcribed Image Text:Consider a horizontal 5-mm-thick, 80-mm-long straight fin fabricated from plain carbon steel (k = 57 W/m-K, = 0.5). The base of the fin is maintained at 100°C, while the quiescent ambient air and the surroundings are at 25°C. Assume the fin tip is adiabatic, and estimate the fin heat rate per unit width, a', in W/m. Use an average fin surface temperature of 80°C to estimate the free convection coefficient, and the linearized radiation coefficient,,, in W/m²K. a's = h= ܐ h₂ = i i W/m W/m².K W/m².K
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