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Electric bladeless fan works differently from conventional fans. The upper part is the ring, the lower part of the fan is cylindrical and has a variable speed control switch on it.
The electric bladeless ring works in a manner similar to aircraft wings. Actually the fan does have blades. They are provided in the base of the fan. The air comes in towards a circular structure calls a mixed flow impeller is actually an air pump, and it is used blowing air upwards to the ring.
When the air reaches the ring, it creates a negative pressure above the joint ring and cylinder. This negative pressure forces the air that is present over the back side of the ring forward. Further, this creates a negative pressure at the back side of the ring, and due to this, air starts flowing from back to front, in what is called Coanda effect. The air flows forwards in a circular cross section. The air around the ring flow also starts moving due to the viscous shearing, and the speed of the flow becomes15 times larger than that of any ordinary fan.
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