Professional manufacturing and production of radiator cooling fans, condenser fans and fan motors, etc.

A cooling fan air volume and air pressure

by:TOCH     2021-01-27
Everyone knows that a cooling fan is mainly used for heat dissipation effect, we can from the following two aspects to consider the use effect of the cooling fan, everybody together to see see!
air volume:
air volume per minute is refers to the cooling fan out or into the air volume, if calculated by cubic feet of air unit is CFM; If according to cubic meters to calculate, is to the CMM. A cooling fan often use air unit is CFM ( Is about 0. 028 cubic meters/min) 。
air volume is the zui important indicators of cooling fan cooling capabilities. Obviously, the greater the volume of cooling fan the higher cooling capacity. This is because the heat capacity ratio of air is certain, larger volume and per unit time is more air can take more heat. Of course, the same air under the condition of the cooling effect and wind flow way.
wind pressure:
wind pressure and air volume are two relative concepts. In general, under the manufacturer's cost considerations, to design the fan air volume is big, have to sacrifice some wind pressure. If the fan can bring a lot of air flow, but the wind pressure is small, the wind is less than the bottom of the radiator ( That is why some fan speed is high, volume is very big, but it is the reason why cooling effect is not good) , on the contrary, wind pressure is often means that the air volume is small, there is not enough air and heat sink for heat exchange, also causes the cooling effect is not good.
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