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Micro fan manufacturer Juwang Technology will explain to you: what is an axial fan?

2021-11-11 07:57:09
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What is an axial fan ? Micro fan manufacturer Juwang Technology will explain to you: what is an axial fan?

There are two types of fans, axial flow and radial flow, which are divided according to the flow direction of the air when the fan is working. When the axial fan works, the blades push the air to flow in the same direction as the shaft, so it is called an axial fan; when the radial fan works, the blades push the air to flow in the direction perpendicular to the shaft (ie radial), so it is called radial flow fan.

The blades of an axial fan push the air to flow in the same direction as the shaft. The impeller of an axial fan is somewhat similar to a propeller. In operation, most of the airflow is parallel to the axis, that is, along the axis. When the inlet airflow is free air with a static pressure of 0, the power consumption z of the axial fan is low. During operation, power consumption increases as airflow back pressure increases. Axial fans are usually installed on the cabinet of electrical equipment, and sometimes integrated on the motor. Axial fans are widely used due to their compact structure, which can save a lot of space and are easy to install.

Axial fan

Axial fans are divided into large axial fans, medium axial fans and small axial fans. Select the appropriate axial flow fan according to the required application. Generally speaking, large axial fans are mainly used for exhaust air in places such as dust and gravel fields; medium axial fans are mainly used for indoor ventilation and heat removal, such as granaries; small axial fans are mainly used in electrical cabinets and other mechanical equipment ventilation cooling.

Because the traditional turbofan air pressure is not generated in the central part of the fan, but by the rotation of the fan blades. So, no matter how high the revs are, there is no wind under the shaft. But below the fan shaft is the core of heat generation, which is the main heat source. This situation caused the congenital defects of traditional axial fans: blocked by the motor, the airflow could not reach the center smoothly, resulting in a "blind spot". The existence of the dead zone causes the temperature of the core part of the radiator to be high, which affects the overall heat dissipation effect. To solve this problem, centrifugal radial fans came into being.


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