Modeling granular material blending in a Tote blender using a finite element method and advection-diffusion equation multi-scale model
Résumé
A multi-scale model is presented for predicting the magnitude and rate of powder mixing in a Tote blender. The model combines particle diffusion correlations calibrated from experiments with transient advective flow field information from finite element method simulations. Predictions of the mixing rate from the multi-scale model compare well quantitatively to published experimental data. The multi-scale model, since it does not directly model individual particles, is expected to scale well to systems of industrial interest.
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