# Dense Granular Poiseuille Flow

Mathematical Modelling of Natural Phenomena (2011)

- Volume: 6, Issue: 4, page 77-86
- ISSN: 0973-5348

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topKhain, E.. "Dense Granular Poiseuille Flow." Mathematical Modelling of Natural Phenomena 6.4 (2011): 77-86. <http://eudml.org/doc/222272>.

@article{Khain2011,

abstract = {We consider a dense granular shear flow in a two-dimensional system. Granular systems
(composed of a large number of macroscopic particles) are far from equilibrium due to
inelastic collisions between particles: an external driving is needed to maintain the
motion of particles. Theoretical description of driven granular media is especially
challenging for dense granular flows. This paper focuses on a gravity-driven dense
granular Poiseuille flow in a channel. A special focus here is on the intriguing
phenomenon of fluid-solid coexistence: a solid plug in the center of the system,
surrounded by fluid layers. To find and analyze various flow regimes, a multi-scale
approach is taken. On macro scale, granular hydrodynamics is employed. On micro scale,
event-driven molecular dynamics simulations are performed. The entire phase diagram of
parameters is explored, in order to determine which flow regime occurs in various regions
in the parameter space. },

author = {Khain, E.},

journal = {Mathematical Modelling of Natural Phenomena},

keywords = {granular matter; poiseuille flow; shear flow; md simulations; two-phase flow},

language = {eng},

month = {7},

number = {4},

pages = {77-86},

publisher = {EDP Sciences},

title = {Dense Granular Poiseuille Flow},

url = {http://eudml.org/doc/222272},

volume = {6},

year = {2011},

}

TY - JOUR

AU - Khain, E.

TI - Dense Granular Poiseuille Flow

JO - Mathematical Modelling of Natural Phenomena

DA - 2011/7//

PB - EDP Sciences

VL - 6

IS - 4

SP - 77

EP - 86

AB - We consider a dense granular shear flow in a two-dimensional system. Granular systems
(composed of a large number of macroscopic particles) are far from equilibrium due to
inelastic collisions between particles: an external driving is needed to maintain the
motion of particles. Theoretical description of driven granular media is especially
challenging for dense granular flows. This paper focuses on a gravity-driven dense
granular Poiseuille flow in a channel. A special focus here is on the intriguing
phenomenon of fluid-solid coexistence: a solid plug in the center of the system,
surrounded by fluid layers. To find and analyze various flow regimes, a multi-scale
approach is taken. On macro scale, granular hydrodynamics is employed. On micro scale,
event-driven molecular dynamics simulations are performed. The entire phase diagram of
parameters is explored, in order to determine which flow regime occurs in various regions
in the parameter space.

LA - eng

KW - granular matter; poiseuille flow; shear flow; md simulations; two-phase flow

UR - http://eudml.org/doc/222272

ER -

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