The fluid entering the fan is directed and recirculated with the higher velocity towards the exit of the hair dryer.Īn External Inlet Fan is used to draw the air from the ambience into an enclosure and acts as an inlet boundary condition.
The green arrows indicate the direction of the fluid flow on the selected fan faces. In the above figure, the internal fan is designated to a block by defining the fluid intake and fluid output faces.
For an instance, hair dryer uses an internal fan. Since both sides of the fan are in contact with the fluid within the computational domain, the fluid static pressure difference between the sides governs fluid passage through the fan in accordance with characteristics of the selected fan. To use internal fan, the user must select two faces where the Fluid enters the fan, and the Fluid exists the fan respectively. In SOLIDWORKS Flow Simulation, the library contains three types of fans: Internal Fan, External Inlet Fan and External Outlet Fan.Īn Internal Fan is used to direct and/or to recirculate the fluid flow in an enclosure. In an electronic enclosure such as computers and laptops, refrigerators, etc., the role of fan is very important not only to cool the components but also to maintain them at an optimal temperature for the maximum performance. Fan plays a vital role in a thermal analysis by driving the hot air to the ambience and/or by providing good circulation of air in an enclosure. A fan is a device that drives the fluid in a particular direction or pattern in an environment.
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