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What is the effect of the wind pressure of the cooling fan

by:TOCH     2021-03-26
Regarding the wind pressure effect of the cooling fan, we must first understand what it means. The so-called wind pressure of the cooling fan is the pressure of the wind on a plane perpendicular to the direction of the airflow. Wind pressure is blocked by the building, so the surrounding air is blocked, the dynamic pressure drops, and the static pressure rises. Local eddy currents are generated on the side and back, the static pressure drops, and the dynamic pressure rises. Compared with the undisturbed air flow in the distance, this increase and decrease of static pressure is collectively referred to as wind pressure. Therefore, from the perspective of our cooling fans, the air pressure of the axial-flow cooling fan is relatively small, while the side blowing The worm wheel blower has a relatively large wind pressure, and the fan with a relatively large wind pressure has a faster heat dissipation rate.
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