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pro vyhledávání: '"Tewari, Shubha"'
We report here on experiments and simulations examining the effect of changing wall friction on the gravity-driven flow of spherical particles in a vertical hopper. In 2D experiments and simulations, we observe that the exponent of the expected power
Externí odkaz:
http://arxiv.org/abs/2103.09144
Publikováno v:
Phys. Rev. E 97, 040901 (2018)
Gravity driven flows such as in hoppers and silos are susceptible to clogging due to the formation of arches at the exit whose failure is the key to re-initiation of flow. In vibrated hoppers, clog durations exhibit a broad distribution, which poses
Externí odkaz:
http://arxiv.org/abs/1711.00964
Publikováno v:
Soft Matter, 2016,12, 7772-7781
We study the flow of a pressure-driven foam through a straight channel using numerical simulations, and examine the effects of a tuneable attractive potential between bubbles. This potential, which accounts for the effects of disjoining pressure in t
Externí odkaz:
http://arxiv.org/abs/1605.08405
Many disordered systems experience a transition from a fluid-like state to a solid-like state following a sudden arrest in dynamics called jamming. In contrast to jamming in spatially homogeneous systems, jamming in hoppers occurs under extremely inh
Externí odkaz:
http://arxiv.org/abs/1210.5805
We report simulations of a two-dimensional, dense, bidisperse system of inelastic hard disks falling down a vertical tube under the influence of gravity. We examine the approach to jamming as the average flow of particles down the tube is slowed by m
Externí odkaz:
http://arxiv.org/abs/0806.2413
Autor:
Tewari, Shubha, Schiemann, Dylan, Durian, Douglas J., Knobler, Charles M., Langer, Stephen A., Liu, Andrea J.
Under steady shear, a foam relaxes stress through intermittent rearrangements of bubbles accompanied by sudden drops in the stored elastic energy. We use a simple model of foam that incorporates both elasticity and dissipation to study the statistics
Externí odkaz:
http://arxiv.org/abs/cond-mat/9904101
Autor:
Tewari, Shubha, Ruvalds, John
Electron collisions for a two dimensional Fermi liquid (FL) are shown to give a quasiparticle damping with interesting frequency and temperature variations in the BCS superconducting state. The spin susceptibility which determines the structure of th
Externí odkaz:
http://arxiv.org/abs/cond-mat/9509028
Publikováno v:
Science, 1992 May . 256(5061), 1306-1308.
Externí odkaz:
https://www.jstor.org/stable/2877304
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