Under the precondition of incompressible flow, fluid spiral motion in SK static mixer tube was resolved into axial beeline motion and circumferential rotation motion.
Particularly necessary to point out that the liquid in the pump body mass flow rate of less than the circumference of the circumferential speed of the impeller.
需要特别指出的是，液体质点在泵体流道内的圆周速度小于叶轮的圆周速度。
3
The circumferential rotational flow and pair whirls at the exit of the inlet were also found, and subsequently, the causes were analyzed.