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The relationship between the size of the cooling fan air volume
As wind area with the base size is closely related to the data (the end of the fan area minus the frame and motor to occupy part of the area of ​​results), further affect the important performance indicators of the fan air flow have a larger base size, the generalyou can get a greater cross-wind area, the equivalent wind speed, the greater amount of wind; consider, in turn, can reduce the wind speed does not reduce the amount of wind, the use of large diameter fan cooling fan is the development ofone of the trends.

Increase the cooling fan height increase fan power, increase the fan area, can enhance the performance of the fan; some fans will take advantage of increased height in the frame to add the deflector or change the blades rotate face direction (ie non-axial fan).
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