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Modes of Transferring Heat

Thermodynamics Table of Contents

Heat is always transferred when a temperature difference exists between two bodies. There are three basic modes of heat transfer:

Conduction involves the transfer of heat by the interactions of atoms or molecules of a material through which the heat is being transferred.

Convection involves the transfer of heat by the mixing and motion of macroscopic portions of a fluid.

Radiation, or radiant heat transfer, involves the transfer of heat by electromagnetic radiation that arises due to the temperature of a body.

The three modes of heat transfer will be discussed in greater detail in the subsequent chapters of this module.

 

 

 

 

Reference:

DOE-HDBK-1012/1-92 JUNE 1992, THERMODYNAMICS, HEAT TRANSFER, AND FLUID FLOW

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