Evaluation of instability criterion for bidisperse sedimentation

@article{citeulike:2621215, abstract = {The instability criterion for bidisperse sedimentation derived by Batchelor and Janse van Rensburg was combined with two empirical models for the particle velocities that are consistent with conservation of momentum and used to construct theoretical stability diagrams. The stability boundaries were fully determined by the particle volume fractions, the particle-size ratio, and the ratio of the density differences with the liquid. The results showed that on increasing the particle-size ratio sufficiently, stability, always is attained. For particles of similar size, instabilities occur mainly if the liquid density is intermediate between the particle densities. The stability diagrams agree well with the limited experimental data, if so-called}, address = {Laboratory for Inorganic Materials Science, Dept. of Chemical Technology \& MESA Research Institute. University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands; Dept. of Chemical Engineering, University of California, Santa Barbara, CA 93106}, author = {Biesheuvel, Maarten P. and Verweij, Henk and Breedveld, Victor }, citeulike-article-id = {2621215}, doi = {http://dx.doi.org/10.1002/aic.690470107}, journal = {AIChE Journal}, keywords = {jamming, mixing, sedimentation}, number = {1}, pages = {45--52}, posted-at = {2008-04-02 00:23:36}, priority = {2}, title = {Evaluation of instability criterion for bidisperse sedimentation}, url = {http://dx.doi.org/10.1002/aic.690470107}, volume = {47}, year = {2001} }

TY - JOUR ID - citeulike:2621215 L3 - citeulike-article-id:2621215 TI - Evaluation of instability criterion for bidisperse sedimentation JF - AIChE Journal VL - 47 IS - 1 SP - 45 EP - 52 AD - Laboratory for Inorganic Materials Science, Dept. of Chemical Technology & MESA Research Institute. University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands; Dept. of Chemical Engineering, University of California, Santa Barbara, CA 93106 N2 - The instability criterion for bidisperse sedimentation derived by Batchelor and Janse van Rensburg was combined with two empirical models for the particle velocities that are consistent with conservation of momentum and used to construct theoretical stability diagrams. The stability boundaries were fully determined by the particle volume fractions, the particle-size ratio, and the ratio of the density differences with the liquid. The results showed that on increasing the particle-size ratio sufficiently, stability, always is attained. For particles of similar size, instabilities occur mainly if the liquid density is intermediate between the particle densities. The stability diagrams agree well with the limited experimental data, if so-called KW - jamming KW - mixing KW - sedimentation AU - Biesheuvel, Maarten AU - Verweij, Henk AU - Breedveld, Victor PY - 2001/// UR - http://dx.doi.org/10.1002/aic.690470107 ER -