Which is more powerful, a bladeless fan or a bladed fan?

The wind is strong and running well. Vaneless fan, also known as air multiplier, can produce natural and continuous cool air with fresh and lovely appearance. It mainly lets air blow out from a 1.3mm wide incision, and the incision rotates around the ring. Because air is forced to blow out of this circle, the air volume will increase. Vaneless fans were first introduced to Britain in 2009. In the same year, Hu, a farmer entrepreneur from Zhejiang Province, applied to the state for an invention patent. The second generation launched 20 1 1 in Hong Kong. Principle of bladeless fan: The working principle of bladeless fan is that the motor in the lower base mainly sucks 33 liters of air into the fan base. After being accelerated by the cyclone accelerator, the air circulation speed is increased by about 16 times, which is surrounded by the annular inner lip of the fan head, and its surrounding force drives the air near the fan head to enter the fan head and blow out at high speed. This is also a cyclical process.