The aim of the work is the numerical solution for the mean residence time in the cylindrical digesters with the same geometric dimensions and different arrangement of the loading-unloading pipes. Unsteady nonlinear problem in 3D is solved by using Comsol Multiphysics 3.5a.
метантенк, распределение времени пребывания, численное моделирование, digester, residence time distribution, CFD
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