Q2/ An insulated steam pipe having an outside Steam pipe diameter of 30 mm is to be covered with two Beter ination (4) Paer ination () ,-54) layers of insulation, each haying thickness of 20 mm. The thermal conductivity of one material is 5 times that of the other. Som Assuming that the inner and outer surface temperatures of composite insulation are fixed, how much will heat transfer be increased when better insulation material is next to the pipe than it is the outer layer?

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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.