Density relaxation in a vibrated granular material Export

@article{citeulike:1706988, abstract = {We report measurements of the density of a vibrated granular material as a function of time. The material studied consists of monodisperse spherical glass particles confined to a long; thin cylindrical tube. Vibrations cause the pile to evolve from a low density initial configuration toward a steady state with a final density that depends on the intensity of the vibrations. We find a complex time evolution that is incompatible with a single exponential relaxation. There appears to be a characteristic value of the acceleration that separates two regimes of packing behavior. The results are compared to current theories of compaction.}, author = {Knight, James B. and Fandrich, Christopher G. and Lau, Chun N. and Jaeger, Heinrich M. and Nagel, Sidney R.}, citeulike-article-id = {1706988}, citeulike-linkout-0 = {http://dx.doi.org/10.1103/PhysRevE.51.3957}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRE/v51/i5/p3957_1}, citeulike-linkout-2 = {http://link.aps.org/pdf/PRE/v51/i5/p3957_1}, doi = {10.1103/PhysRevE.51.3957}, journal = {Physical Review E}, keywords = {aging, classic, granular}, month = {May}, number = {5}, pages = {3957+}, posted-at = {2007-09-29 03:25:10}, priority = {0}, publisher = {American Physical Society}, title = {Density relaxation in a vibrated granular material}, url = {http://dx.doi.org/10.1103/PhysRevE.51.3957}, volume = {51}, year = {1995} }

TY - JOUR ID - citeulike:1706988 L3 - citeulike-article-id:1706988 N2 - We report measurements of the density of a vibrated granular material as a function of time. The material studied consists of monodisperse spherical glass particles confined to a long; thin cylindrical tube. Vibrations cause the pile to evolve from a low density initial configuration toward a steady state with a final density that depends on the intensity of the vibrations. We find a complex time evolution that is incompatible with a single exponential relaxation. There appears to be a characteristic value of the acceleration that separates two regimes of packing behavior. The results are compared to current theories of compaction. IS - 5 JF - Physical Review E TI - Density relaxation in a vibrated granular material PB - American Physical Society VL - 51 SP - 3957 KW - aging KW - classic KW - granular AU - Knight, James AU - Fandrich, Christopher AU - Lau, Chun AU - Jaeger, Heinrich AU - Nagel, Sidney PY - 1995/05// UR - http://dx.doi.org/10.1103/PhysRevE.51.3957 ER -