Specific Differences Between Centrifugal Fans

The characteristic of axial flow is that the fluid flows along the axial direction of the fan blade. For example, electric fans and exhaust fans in the home. The centrifugal type is to suck the fluid from the axial direction of the fan and then use centrifugal force to throw the fluid out from the circumferential direction, such as blowers and range hoods.
The above is said in reverse, mainly to make it easier to establish the concept. In fact, of course, it is the airflow that drives the fan to rotate. At the same speed, the axial flow fan requires a large air flow, but the wind pressure is small; the centrifugal fan requires a small air flow, but the wind pressure is large.