Population Balance Models and Discrete-Event Models
Models based on the application of laws of conservation of momentum, mass and energy have been described in Chapters 4 to 6. These models were also applied to multiphase systems. Different phases were considered by either making the assumption of continuum or writing different equations for different phases (e.g. a two-fluid model for fluidised beds). A detailed description of phases is not considered; as a result, the models have limited predictive capabilities. The information lost due to the assumption of continuum for different phases is examined in this chapter.