Determine the overall heat loss and the temperature profile at each interface of the following composite cylinder if the length of the cylinder is 50 m. TA = temperature of gas inside the kiln ha = convective heat transfer coefficient of gas TB = ambient temperature hg = convective heat transfer coefficient of ambient air TB = 80 K hB = 4 W/m²K TA = 1000 K ha = 30 W/m²K 6 m K = 2.05 W/m.K K = 52 W/m.K 2 m/ 1.9 m

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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.