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Heat Transfer by Mind Map: Heat Transfer
0.0 stars - reviews range from 0 to 5

Heat Transfer



from high to low temperature

flow of heat

with movement of fluid as a whole


in fluids (liquids and gases)

Convection Current (Flow)

Hot air rises, Expands so less dense

Cold air sinks, More dense

Conduction (Contact)


flow of heat

high to low temperature

without movement of matter as a whole

energy transferred by particle collisions


Solids - best conductors because particles joined together, Good conductor, Metals because of free electrons, Bad conductors (Insulators), Air, Foam, expanded polystyrene, jablo, feathers etc. - all trap air so very good insulators

Gases - worst conductors as particles are far apart

Radiation (colours)


Flow of heat

From high to low temperature

by electromagnetic waves


Solids, Liquids and Gases

Passes through a vacuum (no air)


Matt Black - best absorber and emiitter

Shiny Silver - worst absorber and emitter - very good reflector