For the square two-dimensional body shown in Figure P13-21, determine the temperature distribution. Let Kxx = Kyy = 25 Btu / (h-ft-oF) and h = 10 Btu / (h-ft2 -oF). Convection occurs across side 4-5. The free-stream temperature is T( = 50 oF. The temperatures at nodes 1 and 2 are 100°F. The dimensions of the body are shown in the figure. Take the thickness of the body to be 1 ft.
Figure P13-21,

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100°F T. = 50°F 2 ft 2 ft