high pressure fan and the diameter and speed of impeller relation between


high pressure fan and the diameter and speed of impeller relation between


For fans, there are three very important formulas:


Where P is the fan pressure, N is the fan speed, D is the diameter of the fan impeller;


From these two formulas can be clearly seen that the pressure generated by the fan and the square of the speed is directly proportional to the square of the impeller diameter; The general high pressure fan is 2 pole 2900rpm, and the impeller diameter is adjusted according to the required pressure, in order to ensure the high pressure fan in the process of high speed rotation strength requirements, its impeller design is very narrow, so the whole high pressure fan looks very "thin".



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