Heat transfer

Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy (heat) between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, transfer of energy by phase changes, and evaporative cooling. Engineers also consider the transfer of mass of differing chemical species, either cold or hot, to achieve heat transfer.

While these mechanisms have distinct characteristics, they often occur simultaneously in the same system.

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