3-185 Circular fins of uniform cross section, with diameter of 10 mm and length of 50 mm, are attached to a wall with surface temperature of 350°C. The fins are made of materia with thermal conductivity of 240 W/m-K, and they are exposed to an ambient air condition of 25°C and the convection heat transfer coefficient is 250 W/m2²-K. Determine the heat transfer rate and plot the temperature variation of a single fin for the following boundary conditions: (a) Infinitely long fin (b) Adiabatic fin tip (c) Fin with tip temperature of 250°C (d) Convection from the fin tip h, T -Ap = A x= 0

3-185 Circular fins of uniform cross section, with diameter of 10 mm and length of 50 mm, are attached to a wall with surface temperature of 350°C. The fins are made of materia with thermal conductivity of 240 W/m-K, and they are exposed to an ambient air condition of 25°C and the convection heat transfer coefficient is 250 W/m2²-K. Determine the heat transfer rate and plot the temperature variation of a single fin for the following boundary conditions: (a) Infinitely long fin (b) Adiabatic fin tip (c) Fin with tip temperature of 250°C (d) Convection from the fin tip h, T -Ap = A x= 0

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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3-185 Circular fins of uniform cross section, with diameter
of 10 mm and length of 50 mm, are attached to a wall with
surface temperature of 350°C. The fins are made of material
with thermal conductivity of 240 W/m-K, and they are exposed
to an ambient air condition of 25°C and the convection heat
transfer coefficient is 250 W/m²-K. Determine the heat transfer
rate and plot the temperature variation of a single fin for the
following boundary conditions:
(a) Infinitely long fin
(b) Adiabatic fin tip
(c) Fin with tip temperature of 250°C
(d) Convection from the fin tip
T
h, T
Ap Ac
x =0
FIGURE P3-185

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