An electronic equipment is cooled by using 7 rectangular fins as seen in the figure. Details of the system are given below. Calculate the effectiveness of the finned system. Note: Fin efficiency should be calculated with an appropriate equation. Do not use graphical method. (Kanat verimini uygun denklem ile hesaplayınız, grafik kullanarak belirlemeyiniz)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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An electronic equipment is cooled by using 7 rectangular fins as seen in the figure. Details of the
system are given below. Calculate the effectiveness of the finned system.
Note: Fin efficiency should be calculated with an appropriate equation. Do not use graphical
method. (Kanat verimini uygun denklem ile hesaplayınız, grafik kullanarak belirlemeyiniz)
Properties of electronic equipment and the environment:
Number of fins N-7
b=79 mm, w-100 mm
Base temperature T3-71°C
Tox=25, h=52 W/(m2°C]
Properties of fin material:
k=200 W/(m°C), L-17 mm, w=100 mm, t-1.5 mm
2(Thickness)
Ta, h
-k (Thermal conductivity
of fin material)
(Width) w
L (Length)
N=7 (number of fins)
Transcribed Image Text:An electronic equipment is cooled by using 7 rectangular fins as seen in the figure. Details of the system are given below. Calculate the effectiveness of the finned system. Note: Fin efficiency should be calculated with an appropriate equation. Do not use graphical method. (Kanat verimini uygun denklem ile hesaplayınız, grafik kullanarak belirlemeyiniz) Properties of electronic equipment and the environment: Number of fins N-7 b=79 mm, w-100 mm Base temperature T3-71°C Tox=25, h=52 W/(m2°C] Properties of fin material: k=200 W/(m°C), L-17 mm, w=100 mm, t-1.5 mm 2(Thickness) Ta, h -k (Thermal conductivity of fin material) (Width) w L (Length) N=7 (number of fins)
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