Since electrons are much lighter than atoms, irregular thermal motion produces irregular oscillatory charge motion, which reflects a continuous spectrum of frequencies.
Charge motion is one of the key parameters affecting grinding efficiency and mill power draw.
Charge motion is of prime importance in the efficiency of comminution in tumbling mills.
The results above give a precise indication on response times of a system subjected to charge motion.
The Maxwell Wagner Sillars polarization, electrode polarization and free charge motion are well resolved.
DEM predicts the power draft and charge motion of the mill well at speeds below the critical speed.
The simulation results in the case of the ball mill are verified by comparing snapshots of charge motion.
Results were then used to determine charge motion in the SAG mill at any given operation time.
First, it is established that charge motion in ball and SAG mills can be computed with ease using DEM.
However, the differences in charge motion in plant-scale and lab-scale mills introduce significant inaccuracies in the predictions.
The distribution of impact energy is obtained from the simulation of the charge motion using the discrete element method.
