A steel rod of uniform diameter D= 0.07 m, length L = 1.0 m, and constant thermal conductivity k = 70 W/(m-°C) is exposed to ambient air at Ta=20°C with a convection coefficient h = 120 W/(m² -°C). The right end of the rod is maintained at temperature Ts = 150°C and the other end is free, as shown in the figure below Ts L Ts=180 °C L_element=.25 m (b)

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A steel rod of uniform diameter D = 0.07 m, length L = 1.0 m, and constant thermal
conductivity k= 70 W/(m-°C) is exposed to ambient air at T = 20°C with a convection
coefficient h = 120 W/(m? .°C). The right end of the rod is maintained at temperature Ts = 150°C
and the other end is free, as shown in the figure below
T5
L
Ts=180 °C
L_element=.25 m
(b)
Fig. 1 (a) Heat transfer in a rod. (b) Finite element mesh.
Determine the temperature distribution of the rod.
Grading
Element stiffness matrices 20%
Global stiffness matrix 20%
Element loading vectors 15%
Global loading vector 15%
Apply boundary conditions 15%
Solving for temperature distribution 15%
Transcribed Image Text:A steel rod of uniform diameter D = 0.07 m, length L = 1.0 m, and constant thermal conductivity k= 70 W/(m-°C) is exposed to ambient air at T = 20°C with a convection coefficient h = 120 W/(m? .°C). The right end of the rod is maintained at temperature Ts = 150°C and the other end is free, as shown in the figure below T5 L Ts=180 °C L_element=.25 m (b) Fig. 1 (a) Heat transfer in a rod. (b) Finite element mesh. Determine the temperature distribution of the rod. Grading Element stiffness matrices 20% Global stiffness matrix 20% Element loading vectors 15% Global loading vector 15% Apply boundary conditions 15% Solving for temperature distribution 15%
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