424100 Wet, Cohesive Non-Spherical Particle Packing

Thursday, November 12, 2015: 9:00 AM
254C (Salt Palace Convention Center)
Jennifer Sinclair Curtis and Henna Tangri, Chemical Engineering, University of Florida, Gainesville, FL

In this presentation, we discuss the effect of liquid addition on the packing of mono-sized spheres and monosized, elongated particles of fixed diameter and varying length.  We investigate two different particle types and three different liquids to explore a range of magnitude of capillary force to gravitational force.  Particles are poured into a cylindrical container at a fixed drop height to a fixed fill height, and the particle packing density is determined by an image analysis method. For a given particle type, liquid is added until the particle density asymptotes.  Significant differences in packing behavior from spheres are noted, and results are characterized by a Bond number based on the equivalent volume diameter of the non-spherical particle.


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