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【 Ac fan 220 v - 230v】 Wind pressure and air volume decide to the cooling efficiency

by:TOCH     2021-01-27
【 Ac fan 220 v - 230v】 Wind pressure and air volume heat dissipation efficiency
220 v - ac fan 230 v of air volume and air pressure is the main factor of decide the cooling effectiveness, fan shaped specifications often decided after the fan characteristics of the key requirement is that air volume and air pressure, is by no means the fan speed, usually people will misunderstand this emphasis, began to use A manufacturer of fan speed is 2400 RPM, as long as the fan manufacturer B for 2400 RPM, is completely wrong to do so. Give you an example: if the manufacturer A fan speed is 8000 RPM, 4028 air volume of 30 CFM, wind pressure for 15 mmho2, rated current is zero. 16 a, noise is 30 db; The manufacturer B 4028 air volume of fan speed is 7500 RPM for 32 CFM, wind pressure is 15. 6 mmho2, rated current is zero. 14 a, noise is 30 db; From the point of value, the parameters of the manufacturer will B better than A manufacturer, and manufacturer B 7500 RPM fan can completely with the manufacturer A 8000 RPM fan substitute ( Other quality consistently) if , so we choose to see specifications fan is not speed, but the air volume & amp; Wind pressure.
ac fan 220 v - 230 v wind pressure is needed for fan to overcome the resistance of air supply pressure, divided into static pressure and dynamic pressure. Static pressure is parallel to the direction of air flow measurement to the pressure, dynamic pressure is the process of gas flow kinetic energy into pressure required [ Units: mm/H2O ( inch/H2O) How many mm (, wind pressure water column Inches) ] 。

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