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A centrifugal fan is a mechanical device for moving air or other gases in a direction at an angle to the incoming fluid. Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel).
The original centrifugal fan designs were bought from a company HSM (Heinke-Schuitema-Musselkanaal) located in the town of Musselkanaal in 1936. Throughout the history the program of centrifugal fans [25] [26] [27] has been extended with various models, including ATEX fans for use in hazardous environments. ATEX centrifugal fan units are built ...
Download as PDF; Printable version; In other projects Wikimedia Commons; Wikidata item; ... Centrifugal fan; Church fan; Computer fan; Computer fan control; D. Degree ...
The centrifugal fan wheel is typically contained within a scroll-shaped fan housing, resembling the shell of the nautilus sea creature with a central hole. The air or gas inside the spinning fan is thrown off the outside of the wheel, to an outlet at the housing's largest diameter.
Download as PDF; Printable version; In other projects Wikimedia Commons; ... Centrifugal fan; E. Evolution from Francis turbine to Kaplan turbine; F. Fan (machine) G.
A cross-flow fan is a centrifugal fan in which the air flows straight through the fan instead of at a right angle. The rotor of a cross-flow fan is covered to create a pressure differential. A cross-flow fan has two walls outside the impeller and a thick vortex wall inside. The radial gap decreases in the direction of the impeller rotation.
They apply to pumps, fans, and hydraulic turbines. In these rotary implements, the affinity laws apply both to centrifugal and axial flows. The laws are derived using the Buckingham π theorem. The affinity laws are useful as they allow the prediction of the head discharge characteristic of a pump or fan from a known characteristic measured at ...
A computer fan is any fan inside, or attached to, a computer case used for active cooling. Fans are used to draw cooler air into the case from the outside, expel warm air from inside and move air across a heat sink to cool a particular component. Both axial and sometimes centrifugal (blower/squirrel-cage