The Influence of DCDC conversion module Fan Vortex on Heat Dissipation(2)

Because the working principle of the axial flow fan is to drive the blades connected with it to rotate Weifang at the given speed of the motor through the operation of the motor, so as to generate a positive pressure difference between the front and back of the blades, and drive the air around the blades to move along the fixed direction of the motor shaft. Therefore, the axial fan has the characteristics of low head and large flow.

●The design is simple. Power is available with just one power module, with a few discrete components. ● Shorten the development cycle. The module power supply generally has a variety of input and output options. Users can also repeatedly stack or cross stack to form a building block combined power supply to achieve multiple input and output, which greatly reduces the prototype development time.
●Change is flexible. If the product design needs to be changed, simply convert or parallel another suitable power module.

Usually, when people choose axial fans, they only consider the above characteristics, ignoring a series of effects caused by the rotation of axial fan blades on the forced flow of air. In fact, the fluid passing through the axial fan does not move in the single direction of the motor axis, and there is also a velocity component on the fan blade section perpendicular to the motor axis. Therefore, Baidu Keyword, the fluid driven by the axial flow fan is actually a moving fluid that rotates forward with the motor shaft as the axis.

The fluid passing through the outlet of the axial flow fan is actually the fluid flowing forward along the axis, so what effect does the actual rotation direction of the fan have on the cooled area inside the power supply?