Slurry should have similar conditions Slurry take two specific instructions , the real parameters of the pump with the footnote “p” represents the model parameters of the pump with the footnote “m” represents .
If the pump is similar to the two together , you must meet the following criteria :
1 Geometrically similar flow For the flow in the pump geometric similarity , two pumps must be geometrically similar . If we all angles 48Sh22 flow components remain unchanged, while all the geometric dimensions scaled down completely , becoming 24Sh22, then 48Sh22 is geometrically similar with 24Sh22 by Section II of this chapter shows that at any point of the liquid inside the pump flow rate can be with the speed of triangles. Seen by the geometry , angles corresponding sides are equal or the same proportion of the two triangles of similar triangles .
2 By equation ( 2-18 ) shows that the liquid moving within the pump if both are similar, the corresponding points in two co pump velocity triangle necessarily similar to the corresponding angle of flow must be identical , slurry pump manufacturer equal to the corresponding ratio of the flow rate.
3 Figure 2-33 Flow movement similar dynamic similarity Fluid dynamic similarity is the role of corresponding points in two pumps of the same name on the liquid force ( such as inertial force , viscous force , gravity ) ratio equal. In fact, the two co pump to satisfy the above three conditions are very difficult, or even impossible .
Therefore, ” similar to the pump ” is just opposite sense from the . In the practical application of the principle is similar , but also overlook some minor factors, in arriving at the conversion model and real relationships , then according to the specific empirical data to consider amendments.
Post time: Jul-13-2021