How does it work? - Hair dryer

How does it work? - Hair dryer

This animation demonstrates the structure and operation of hair dryers.

Technology

Keywords

hair dryer, household appliance, heater element, thermal overload relay, electric current, electric motor, electric cable, heat transfer, fan, technology, physics

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Scenes

Hair dryer

Parts

Operation

Overheat protection

Principle of operation

Water evaporates continuously: water molecules escape from the surface of the water due to their thermal motion. A hair dryer speeds up this process: it intensifies the thermal motion of water molecules by heat transfer and blows the escaping molecules away. These make evaporation and therefore drying one’s hair faster.

Narration

Water evaporates continuously: water molecules escape from the surface of the water due to their thermal motion. A hair dryer speeds up this process: it intensifies the thermal motion of water molecules by heat transfer and blows the escaping molecules away. These make evaporation and therefore drying one’s hair faster.

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