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A coupled particle-continuum model: well-posedness and the limit of zero radius
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UNSPECIFIED (2004) A coupled particle-continuum model: well-posedness and the limit of zero radius. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 460 (2045). pp. 1311-1334. doi:10.1098/rspa.2003.1207 ISSN 1364-5021.
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Official URL: http://dx.doi.org/10.1098/rspa.2003.1207
Abstract
This paper treats a simplified model of combustion that takes into account only the exchange of momentum between the fuel particles and ambient gas. Even in the absence of particles there are no rigorous mathematical results available in three dimensions, so our attention is restricted to the two-dimensional case. Treating the particles as points leads to mathematical problems that are circumvented by an appropriate regularization. The latter sections of the paper study the behaviour of the model as this regularization parameter tends to zero under some appropriate scalings, showing that in the limit the standard Navier-Stokes equations are obtained, and that for numerical (Galerkin) approximations the paths of the particles will approach fluid streamlines.
Item Type: | Journal Article | ||||
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Subjects: | Q Science | ||||
Journal or Publication Title: | PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES | ||||
Publisher: | ROYAL SOC LONDON | ||||
ISSN: | 1364-5021 | ||||
Official Date: | 8 May 2004 | ||||
Dates: |
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Volume: | 460 | ||||
Number: | 2045 | ||||
Number of Pages: | 24 | ||||
Page Range: | pp. 1311-1334 | ||||
DOI: | 10.1098/rspa.2003.1207 | ||||
Publication Status: | Published |
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