3METHODS OF HEAT TRANSFER

CONVECTION

• is the movement of groups of molecules within fluids.
• Convection can be natural, forced, gravitational, granular, or thermomagnetic.

CONDUCTION

• the passage of energy, particularly heat or electricity, through something
• Conduction is the transfer of heat from one molecule to another through a substance. .

RADIATION

• energy emitted from a source in the form of rays or waves, e.g. heat, light, or sound
• the emission of energy in the form of rays or waves

HEAT

• the perceptible or measurable degree of hotness

HEAT TRANSFER

• heat moves from one body or substance to another by radiation