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Convective heat transfer, often referred to simply as convection, is the transfer of heat from one place to another by the movement of fluids. Convection is usually the dominant form of heat transfer in liquids and gases. Although often discussed as a distinct method of heat transfer, convective heat transfer involves the combined processes of unknown conduction and advection.
Quick Answer. The three ways that heat can be transferred are conduction, convection and radiation. Conduction is most efficient in solids, convection occurs in liquids and gases and radiation occurs through anything that allows radiation to pass through.