It has evident effect of energy saving on the use of air cooling fan with poor rectifying condition & small hubratio.
它用于整流条件差且轮毂比小的空冷风机上有明显的节能效果。
2
Final design scheme is confirmed after economic and technical analyse. Then, axial fan 's stage type, impeller diameter, hubratio , specific speed and the number of blades are decided.