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A Lattice Boltzmann Model of Flow Blunting

M. M. Dupin, I. Halliday and C. M. Care
Philosophical Transactions: Mathematical, Physical and Engineering Sciences
Vol. 362, No. 1821, Connecting Scales: Micro, Meso and Macro Processes (Aug. 15, 2004), pp. 1755-1761
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/4142378
Page Count: 7
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
A Lattice Boltzmann Model of Flow Blunting
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Abstract

We review our recent multi-component lattice Boltzmann equation method for the simulation of a large number of mutually immiscible liquid species and then apply it to the simulation of dense volume fraction suspensions of deformable particles in internal geometry. In particular, we illustrate the scope of our method by applying it to the simulation of pipe flows containing a high volume fraction of monodisperse suspended, deformable particles. The particles are modelled as immiscible, relatively viscous liquid drops. We modify the 'solidity' of the particles by modifying their viscosity and surface tension and demonstrate the effect of the solidity upon the blunting of the velocity profile.

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