Fan

A fan is a device with wings or an impeller that rotates by means of an electric motor. Upon the rotation of the wings or impeller, air is set in motion. The rotation causes the mechanical work to be transferred to the air.

A fan is a device with wings or an impeller that rotates by means of an electric motor. Upon the rotation of the wings or impeller, air is set in motion. The rotation causes the mechanical work to be transferred to the air.
Fans are used for example in ventilation systems in buildings, bringing fresh air in or removing stale air. In heating or cooling systems, fans are used to remove heat or cold from the systems’ condenser or vaporiser, respectively.
There are different types of fans with different methods of operation. Some of the most commonly found fans are axial and radial fans.








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