A semi-infinite slab of material having k =0.1 W/m °C and a=1.1 x 10-7m²/s is maintained at an initially uniform temperature of 20°C. Calculate the temperature at a depth of 5 cm after 100 s if (a) the surface temperature is suddenly raised to 150°C, (b) the surface is suddenly exposed to a convection source with h = 40 W/m2.°C and 150°C, and (c) the surface is suddenly exposed to a constant heat flux of 350 W/m2. %3D
A semi-infinite slab of material having k =0.1 W/m °C and a=1.1 x 10-7m²/s is maintained at an initially uniform temperature of 20°C. Calculate the temperature at a depth of 5 cm after 100 s if (a) the surface temperature is suddenly raised to 150°C, (b) the surface is suddenly exposed to a convection source with h = 40 W/m2.°C and 150°C, and (c) the surface is suddenly exposed to a constant heat flux of 350 W/m2. %3D
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