During the hot summer, the demand for cooling devices such as electric fans and air conditioners increases. However, when using these devices, you may find that they are prone to dust accumulation on the fan blades, iron frame, and air filters. In fact, the level of dust accumulation is often higher than that on tabletops and cabinets…
According to experts, the reason for the dust accumulation on cooling devices is the electrostatic charge in the area of the fan blades and other parts such as air filters in air conditioners.
In an electric fan, the rotating fan blades create frictional force with the air, generating static electricity and creating suction for small, lightweight objects in the air, such as dust, bacteria, and mold…
As a result, after a period of use, dust and pollutants adhere to the devices.
In addition, airborne dust particles also carry electrical charges. When the cooling device is in operation, these particles generate charges by rubbing against molecules in the air.
This process deprives electrons, causing dust particles to carry opposite charges and be attracted to parts of the fan, especially the edges of the fan blades and the fan cage…
For air conditioners, a similar situation occurs, but the mechanism is slightly different from that of electric fans. The working principle of an air conditioner involves continuously sucking in air from the room, passing it through the heat exchanger to cool it, and then blowing it back out through the filter.
During operation, pollutants including dust, bacteria, and mold that cause allergies can stick to the air conditioner’s evaporator fan and be partially retained in the air filter. The remaining pollutants are blown back into the room.
If inhaled, these pollutants can cause respiratory diseases or other serious illnesses.
According to Dân Trí
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