Transient behavior of particle deposition in granular media under various surface interactions

Transient behavior of particle deposition in granular media arises from time-dependent changes of local particle deposition rates throughout the media. Many variables may affect the transient behavior. A system of equations describing the transient deposition phenomenon was derived by considering collector–particle and particle–particle interactions separately and by including other factors such as the excluded surface effect and the re-entrainment of deposits. A numerical method for solving this system of equations was developed and sample calculation results were presented to demonstrate the utility of these equations. The results also give a clear indication of the complexity of the transient behavior of particle deposition depending upon the nature of surface interactions.