Type And Classification Of Fans
Fans can be classified in the following ways:1.According to blade profile and air flow mode, it can be divided into: Axial fan, Centrifugal fan, side flow fan and oblique flow fan.
Air Flow And Air Pressure
Air flow Q, also known as flow rate, is the flow of air passing through the fan outlet section (or air inlet section) in unit time. The unit is generally CFM, namely cubic feet per minute, or CMM.
Fan Noise And Noise Reduction Criteria
Fan noise by type: mechanical noise, pneumatic noise, electrical noise;Noise testing environment and standards: Silence room ISO7779 standard;ANSI - S10.12The noise value is in dB (A).
Technical Specification Of Cooling Fan
Air flow:Air flow refers to the total volume of air discharged or absorbed by the cooling fan per minute. If calculated in cubic feet, the unit of air flow is CFM.So if you measure it in cubic meters.
Cooling Fan Bearing Classification
Fan bearings are divided into three categories: oil-bearing bearings using sliding friction (sleeve bearings) and ball bearings using rolling friction, and a mixture of the two bearing forms.
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