A plane wall of thickness 2L = 100 mm with uniform heat generation of 700 W/m³ and a surface temperature of 30°C has a temperature distribution of T (x) = = a (L² - x²)+30°Cwhere a = 10°C/m². The wall is surrounded by ambient air at 20°C. Find the thermal conductivity, in W/m-K, and the convective heat transfer coefficient, in W/m².K. k = h = i i W/m.K W/m².K

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Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.