CCS and Power Systems

Crosscutting Research - University Training and Research

Implementation and Refinement of a Comprehensive Model for Dense Granular Flows

Performer: Princeton University

Project No: FE0006932


Princeton University tested their steady shear rheological model on the problem of flow in an hourglass, a commonly-modeled type of hopper, using MFIX and compared it with MFIX’s default model. In both cases, the gas phase was considered, and no-slip boundary conditions were used for the solids. The new rheological model predicts ratholing in the upper chamber of the hourglass as well as the formation of a sandpile on the hourglass floor, both of which are consistent with experimental observations.

Project Details