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مکانیک::
معادله توازن جمعیت
To account for continuous variation in particle property distribution due to phenomena such as chemical reaction, agglomeration, breakage, attrition, and growth at significantly less required computational time, a new approach to solve population balance equations (PBEs) linked with computational fluid dynamics (CFD) is needed.
The PBE is a balance equation based on the number density function that accounts for the spatial and temporal evolutions of the particulate phase internal variable distribution function in a single control volume.
Some of the variables in PBE need to be calculated from the CFD model, and, in turn, solution of the PBE gives some of the phase properties needed in the CFD model.
Therefore, PBE and CFD need to cross-talk via a two-way coupling.
Chapter 4 provides an introduction to the concept of polydispersity in multiphase systems and the numerical solution of coupled CFD and PBE.
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