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Q:What is the principle of a vaneless fan?
No leaf fan operation, the motor base in the first air inhaled from many hole edge, then the air pushed upward into the hollow pipe ring, the pipe on the side of the thick, with a ring of narrow slit, the air ejected from the slot; at the Bainuliding law, these the air flow will produce a lower pressure in the middle ring, thus driving the rear ring, on the surrounding air flows toward the front of the ring together, blowing.
Q:Is the power consumption the same when the fan is used in different gears?
Asynchronous motor efficiency is a very delicate thing, when the speed is similar to the design speed, the efficiency is very high, when the deviation is large, the efficiency is very low. Therefore, the speed range of the general fan is also very small
Q:When did the electric fan start to appear?
In 1883, the factory began mass production of this type of desktop fan.
Q:What is the function of the fan blade?
The number of blades of a fan is often odd number, because it is easy to make the system resonance if the fan with even shape is used and the balance is not adjusted
Q:What is the difference between the natural wind and the sleeping wind?
Both natural and sleeping winds are simulated by programmed interruption of the fan's opening and stopping. The difference is that the opening and stopping times are slightly different. Of course, should not be aware of the use.
Q:How to make the electric fan in the house to achieve the best results?
Put the fan in a well ventilated place to increase the speed of air convection
Q:Where does the wind from the electric fan come from?
The Bernoulli principle. Just like an airplane has wings,
Q:Can the electric fan blow to the notebook computer?
The cooling base effect is similar to that of an electric fan, but if one, the air duct will be better. After all, the bottom of the notebook is the air inlet. The best way to get rid of heat is to clean the dust and change the heat transfer cream
Q:How long can the electric fan be timed?
One is mechanical timer, and the other one is spring. At most, it can be fixed for one hour
Q:What is the function of the fan?
A fan refers to an apparatus for generating cool air in hot weather, an electric fan, a device for generating air flow by electricity, and a fan arranged inside to electrify, and then turns into a natural wind to achieve the effect of enjoying the cool