First, with the blade outlet placement angle β2A relationship
When the others are fixed value, the bigger the exit angle is, the higher the theoretical lift is and the smaller the exit angle is. With the increase of flow rate, the theoretical lift is reduced accordingly.
Second, the relationship between the number of leaves
The other for the fixed value, without considering the case of loss of flow, the greater the number of leaves, the greater the theoretical lift. This is due to the fact that the energy of the impeller imparted to the impeller of a finite blade is reduced compared to that of an impeller with an infinite blade.
Third, the relationship with the speed
From the Euler equation, it can be concluded that the higher the rotational speed, the greater the theoretical lift.
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