Q1 - A one-meter-long metal rod is thermally insulated in its circumference. The terminal temperatures of the rod are measured to be 100 °C and 20 °C as illustrated in the figure below. Determine the heat fluxes in the rod. The rod is made of two different materials of copper (kcu = 4.36 w/cm-°C) and aluminum (kal = 3.12 w/cm-°C). X=0 T = 100°C Thermally insulated -Temperature, T(x)- Heat flow X = 100 cm T = 20°C

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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.