Abstract
The multiphase numerical modeling of hydrocyclone performance is studied using heterogeneous (bidensity and similar particle-size distribution) feed particle systems. The modified Algebraic Slip Model with Large Eddy Simulation model is utilized for simulating the particle dynamics and turbulence field. The centrifugal (Fc), drag (Fd), and turbulent dispersion (Ftd) forces are quantified and assessed to understand the particle separation mechanism. The acceleration ratios (Nt and ND) quantities are compared radially at different axial locations at feed solids loadings of 10–20 wt %. The fine particles (<11 μm) of lesser density is observed segregating toward the air core (ND > 1). The Nt values for the finer and denser components are observed to be higher near the spigot region, indicating the dense medium effect, enhancing the fines misplacement to underflow. However, inertial forces (Fc) dominantly influence the coarser particles. The equilibrium envelopes for each particle size and density are evaluated to illustrate the interaction of component in the mixture and standalone-component classification performances.
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