Swirling motion in a system of vibrated elongated particles

by: Igor S Aranson, Dmitri Volfson, Lev S Tsimring

Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), Vol. 75, No. 5. (2007)

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Large-scale collective motion emerging in a monolayer of vertically vibrated elongated particles is studied. The motion is characterized by recurring swirls, with the characteristic scale exceeding several times the size of an individual particle. Our experiments identified a small horizontal component of the oscillatory acceleration of the vibrating plate in combination with orientation-dependent bottom friction (with respect to horizontal acceleration) as a source for the swirl formation. We developed a continuum model operating with the velocity field and local alignment tensor, which is in qualitative agreement with the experiment.

@article{citeulike:2883395, abstract = {Large-scale collective motion emerging in a monolayer of vertically vibrated elongated particles is studied. The motion is characterized by recurring swirls, with the characteristic scale exceeding several times the size of an individual particle. Our experiments identified a small horizontal component of the oscillatory acceleration of the vibrating plate in combination with orientation-dependent bottom friction (with respect to horizontal acceleration) as a source for the swirl formation. We developed a continuum model operating with the velocity field and local alignment tensor, which is in qualitative agreement with the experiment.}, author = {Aranson, Igor S. and Volfson, Dmitri and Tsimring, Lev S. }, citeulike-article-id = {2883395}, doi = {http://dx.doi.org/10.1103/PhysRevE.75.051301}, journal = {Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)}, keywords = {2007, ellipsoid, friction, grains, pre}, number = {5}, posted-at = {2008-06-11 17:42:40}, priority = {2}, publisher = {APS}, title = {Swirling motion in a system of vibrated elongated particles}, url = {http://dx.doi.org/10.1103/PhysRevE.75.051301}, volume = {75}, year = {2007} }

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TY - JOUR ID - citeulike:2883395 L3 - citeulike-article-id:2883395 TI - Swirling motion in a system of vibrated elongated particles JF - Physical Review E (Statistical, Nonlinear, and Soft Matter Physics) VL - 75 IS - 5 PB - APS N2 - Large-scale collective motion emerging in a monolayer of vertically vibrated elongated particles is studied. The motion is characterized by recurring swirls, with the characteristic scale exceeding several times the size of an individual particle. Our experiments identified a small horizontal component of the oscillatory acceleration of the vibrating plate in combination with orientation-dependent bottom friction (with respect to horizontal acceleration) as a source for the swirl formation. We developed a continuum model operating with the velocity field and local alignment tensor, which is in qualitative agreement with the experiment. KW - 2007 KW - ellipsoid KW - friction KW - grains KW - pre AU - Aranson, Igor AU - Volfson, Dmitri AU - Tsimring, Lev PY - 2007/// UR - http://dx.doi.org/10.1103/PhysRevE.75.051301 ER -

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