For the composite wall shown, calculate T,. Assume 1-D steady conduction and neglect thermal contact resistance. L,= 0.25 cm L, = 0.75 cm AISI 302 stainless steel · pyrex glass fluid 1 fluid 2 = 100°C T.2 = 10°C = 50 W/m2-K h, = 20 W/m²-K T T3

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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.