R1 = 2.2 mm k2 R2 Thickness =R2 -R1= 1.1mm Air R1 Velocity v = 4.51 m/s V= m/s kl Igen L= 111 %3D Air Properties: kair = 0.0263 W/m.K, Vair = 15.89 × 10-6 m²/s, Prair = 0.707 k2 = 1.23 W/m.K,

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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R1 = 2.2 mm
%3D
k2
R2
Thickness =R2 -R1= 1.1mm
Air
R1
To=
V = m/s
Velocity v= 4.51 m/s
kl
Igen
L= 111
Air Properties:
kair = 0.0263 W/m.K, Vair = 15.89 × 10-6 m²/s,
Prair = 0.707
k2 = 1.23 W/m.K,
Air (To= 25 °C) passes at velocity, V m/s , in across flow around the rod.
The outer surface temperature, T2= (81C
Heat is generated in a rod (R1, kı = 4 w/m.K), according to
311
I gen (r) = q0 (1-5) "W/m³", qo:constant value
R1
1. What is temperature distribution inside the rod in-terms of “heat generation:
qo, surface temperature: T1, thermal conductivity: kı, R1 and r "
2. What is the convective heat transfer coefficient (W/m².K) at R2, heat transfer rate
(W), the temperature at the rod surface, T1, “C", the heat generation constant , qo
"W/m3" and the maximum temperature in the rod ""C".
Transcribed Image Text:R1 = 2.2 mm %3D k2 R2 Thickness =R2 -R1= 1.1mm Air R1 To= V = m/s Velocity v= 4.51 m/s kl Igen L= 111 Air Properties: kair = 0.0263 W/m.K, Vair = 15.89 × 10-6 m²/s, Prair = 0.707 k2 = 1.23 W/m.K, Air (To= 25 °C) passes at velocity, V m/s , in across flow around the rod. The outer surface temperature, T2= (81C Heat is generated in a rod (R1, kı = 4 w/m.K), according to 311 I gen (r) = q0 (1-5) "W/m³", qo:constant value R1 1. What is temperature distribution inside the rod in-terms of “heat generation: qo, surface temperature: T1, thermal conductivity: kı, R1 and r " 2. What is the convective heat transfer coefficient (W/m².K) at R2, heat transfer rate (W), the temperature at the rod surface, T1, “C", the heat generation constant , qo "W/m3" and the maximum temperature in the rod ""C".
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