Mechanism of the Absent Air Column in Three Products Hydrocyclone Screen (TPHS): Experiment and Simulation

Three products hyrdrocyclone screen (TPHS) has been proposed for particle separation based on size. In TPHS, a cylindrical was embedded in conventional hydrocyclone (CH) to combine the centrifugal classification and screening The industrial application of TPHS indicates its better device performance than CH. Although, earlier studies reveal some common understanding information absent air column remains unknown. Hence, combination physical experiment numerical simulation considered involving 75 mm this knowledge gap. First, both computational fluid dynamics (CFD) with Reynolds stress mode high-definition camera illustrate development process details flow field TPHS. That is, water imported along tangential inlet into TPHS; then under effects feed chamber wall gravity, liquid phase spiraled downward until passed through sieve; as moved spigot, it could be discharged time due small underflow port, thus volume fraction rapidly reduced from 1 0; subsequently filled observed. Furthermore, distribution comparisons static pressure show that displayed core negative center region z-axis, while CH opposite features. addition, despite different velocity, consistently presented vanished which ascribed fact present resulted positive inside