Consider a round potato being baked in an oven. Would you model the heat transfer to the potato as one-, two-, or three-dimensional by writing of the differential equations? (Steady state and no heat generation) Would you model the heat transfer for steady or transient system consisting of heat generation by writing of the differential equations? If the system is transient and consisting no heat generation, write initial boundary condition for one-dimensional the differential equation for the potato?

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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.