07
Aug
Centrifugal fans have been built to be rough. They have been designed having different shapes of blades. They could range in diameter varying from 200mm to more than 5 meters. Moreover, the configuration of the blades would determine the operation of the fan. It might often appear similar to a paddle wheel. It has been at times referred to, as a squirrel cage. The air would enter from near the centre of the wheel and would be turned 90 degrees. It would then move radically outward because of the centrifugal force that has been created between the spinning impeller blades.…