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Forsyth AJ, Hutton SR, Osborne CF, et al. Effects of interparticle force on the packing of spherical granular material. Phys Rev Lett. 2001;87(24):244301doi: 10.1103/PhysRevLett.87.244301.
Forsyth, A. J., Hutton, S. R., Osborne, C. F., & Rhodes, M. J. (2001). Effects of interparticle force on the packing of spherical granular material. Physical review letters, 87(24), 244301. https://doi.org/10.1103/PhysRevLett.87.244301
Forsyth, A J, et al. "Effects of interparticle force on the packing of spherical granular material." Physical review letters vol. 87,24 (2001): 244301. doi: https://doi.org/10.1103/PhysRevLett.87.244301
Forsyth AJ, Hutton SR, Osborne CF, Rhodes MJ. Effects of interparticle force on the packing of spherical granular material. Phys Rev Lett. 2001 Dec 10;87(24):244301. doi: 10.1103/PhysRevLett.87.244301. Epub 2001 Nov 26. PMID: 11736504.
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Phys Rev Lett. 2001 Dec 10;87(24):244301. doi: 10.1103/PhysRevLett.87.244301. Epub 2001 Nov 26.

Effects of interparticle force on the packing of spherical granular material.

Physical review letters

A J Forsyth, S R Hutton, C F Osborne, M J Rhodes

Affiliations

  1. Department of Chemical Engineering, Monash University, Victoria 3800, Australia.

PMID: 11736504 DOI: 10.1103/PhysRevLett.87.244301

Abstract

We present a study of the influence of interparticle cohesive forces on the packing of spheres. This is achieved by changing the external magnetic field on iron spheres in the millimeter size range. The force of cohesion between two spheres is measured by opposing magnetic and gravitational force. The void fraction of the bed resulting from many spheres being poured into a container at a given magnetic field is measured. The void fraction of the packed spheres as a function of interparticle force is thus established. We find that the void fraction is determined only by the ratio of interparticle force to particle weight, regardless of particle size. This is shown to be a universal effect, not limited to magnetic systems.

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