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Relationship between particle scale capillary forces and bulk unconfined yield strength |
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| Authors: | Kerry Johanson Yakov RabinovichBrij Moudgil Kristen BreeceHavala Taylor |
| Affiliation: | a University of Florida ERC for Particle Science and Technology, Gainesville, FL 32611, USA b Department of Materials Science, University of Florida, USA c Department of Chemical Engineering, University of Florida, USA |
| Abstract: | One of the main problems in industrial applications is the handling of fine cohesive materials. This cohesion can cause hang-ups in process equipment and stop or slow down processing. Conversely, just a small quantity of cohesion in a bulk powder can prevent particle size segregation. It is obvious that understanding cohesion from a fundamental point of view is useful in describing process flow behavior. Capillary force between particles is one source of cohesion between particles. This paper presents a theory that can be used to model the cohesive behavior of bulk materials based on capillary forces between particles. |
| Keywords: | Cohesion Capillary forces Bulk strength |
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