N=QPK/1000*3600*η*ηm. May I ask what Q refers to in terms of air volume?
Thread Content
N=QPK/1000*3600*η*ηm. In this formula, I would like to know what Q represents – is it the air flow rate required by the production system, that is, the air flow under standard conditions? Or the air intake volume of the fan? Does it still refer to the air volume at the fan’s outlet?
It’s already mentioned in the original book! Air volume Q: The volume of gas discharged from the fan outlet per unit time, (based on the conditions at the fan inlet)
Formula for calculating fan power: (1) N = QPK/1000*3600*η*ηm, where Q is the flow rate, P is the pressure, k is the motor reserve factor, η is the internal efficiency of the fan, and ηm is the mechanical efficiency. The value of k generally ranges from 1.15 to 1.5; for exhaust fans, it is 1.3
Volume of gas discharged from the fan outlet per unit time
With the introduction of P and K, it is naturally traffic in an imported state