what is a centrifugal fan engine

　　what is a centrifugal fan engine?Centrifugal fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Centrifugal fans are widely used in ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induced air of boilers and industrial furnaces; cooling and cooling in air conditioning equipment and household appliances Ventilation; drying and selective delivery of grains; air source of wind tunnel and inflation and propulsion of hovercraft.

　　First of all, the fan blows in, that is, towards the direction of the engine. The purpose is to suck in the cold air from the outside through the radiator to achieve the purpose of cooling the radiator. It does not cool the engine, it cools the radiator.

　　The working principle of centrifugal fan is basically the same as that of turbo compressor. Both are due to the low gas flow rate and little pressure change. Generally, there is no need to consider the change of gas specific volume, that is, the gas is treated as an incompressible fluid.

　　Centrifugal fan can be made into two types of right-handed and left-handed. Viewed from the side of the motor: the impeller rotates clockwise, which is called a right rotating fan; the impeller rotates counterclockwise, which is called a left rotating fan.

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