Modeling fluid–particle interactions in wet milling

The University of Birmingham utilized Simcenter M-Star to develop a spatially resolved coupled Lattice Boltzmann–Discrete Element Method (LBM-DEM) model of an immersion mill for wet particle comminution. DEM parameters were calibrated against experimental Positron Emission Particle Tracking (PEPT) data, and the resulting simulations identified poorly mixed regions and dead zones within the mill. The study demonstrates Simcenter M-Star’s ability to model complex fluid–particle interactions in industrial milling systems and connect simulation results with experimental particle-tracking measurements.