|
 |
The 12th International Conference on Fluidization - New Horizons in Fluidization Engineering
May 13-17, 2007 - Vancouver, Canada
| Editors: |
Franco Berruti, The University of Western Ontario, London, Canada
Xiaotao (Tony) Bi, The University of British Columbia, Vancouver, Canada
Todd Pugsley, University of Saskatchewan, Saskatoon, Saskatchewan, Canada |
The articles for these proceedings are peer-reviewed.
|
<Previous article
|
Next article>
|
Towards Filtered Gas-Solid Flow Models
Juray De Wilde, Université Catholique de Louvain, Belgium
ABSTRACT:
To account for meso-scale phenomena in coarse grid simulations, correlation terms
appearing in the filtered gas-solid flow equations have to be modeled. Filtered models
for the gas-solid momentum transfer are focused on and possible approaches are
derived and evaluated. The evaluation supports the combination of an apparent
distribution of the filtered gas phase pressure gradient over the phases and an
apparent drag force to describe filtered gas-solid momentum transfer. As the filter
frequency decreases, the contribution of the apparent distribution of the filtered gas
phase pressure gradient over the phases to the filtered description of gas-solid
momentum transfer gradually grows in importance up to a mass fraction based
distribution, whereas the contribution of the apparent drag gradually vanishes, the
mesoscopic description of gas-solid momentum transfer gradually being replaced by a
more macroscopic description.
Juray De Wilde, "Towards Filtered Gas-Solid Flow Models" in "The 12th International Conference on Fluidization - New Horizons in Fluidization Engineering", Franco Berruti, The University of Western Ontario, London, Canada
Xiaotao (Tony) Bi, The University of British Columbia, Vancouver, Canada
Todd Pugsley, University of Saskatchewan, Saskatoon, Saskatchewan, Canada Eds, ECI
Symposium Series, Volume RP4 (2007). http://services.bepress.com/eci/fluidization_xii/23
|
|
|
|
 |
|
|
|
|
|
|
|
