Question: The steady-state temperatures (oC) associated with selected nodal points of a two-dimensional system having a thermal conductivity of 1.5 W/m K are shown on

The steady-state temperatures (oC) associated with selected nodal points of a two-dimensional system having a thermal conductivity of 1.5 W/m ∙ K are shown on the accompanying grid.

Insulated boundary 129.4 T2 45.8 0.1 m T = 30°C h = 50 W/m2-K T3 137.0 103.5 0.1 m 172.9 T1 [67.0 132.8 Isothermal boun

(a) Determine the temperatures at nodes 1, 2, and 3.

(b) Calculate the heat transfer rate per unit thickness normal to the page from the system to the fluid.

Insulated boundary 129.4 T2 45.8 0.1 m T = 30C h = 50 W/m2-K T3 137.0 103.5 0.1 m 172.9 T1 [67.0 132.8 Isothermal boundary To = 200C

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