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This application couples a continuous gas phase calculation with
a discrete phase (particle) calculation. 500 coal particles are
injected into an industrial boiler where their trajectories are
computed using a Lagrangian formulation that includes dispersed
phase inertia, hydrodynamic drag and the force of gravity. Each
particle injection is subject to heating/cooling, vaporization,
boiling and solid combustion. During the injection calculations,
momentum, heat and mass exchanges are calculated and stored as source
terms which are then used in the subsequent gas phase calculation.
Furthermore, stochastic modeling of particle tracks, requiring a
fixed number of "tries" per particle, are used to account for local
turbulent fluctuations. In this calculation, 10 stochastic tries
per particle are used, resulting in a total of 5000 particle tracks
per discrete phase update. There are 10 continuous phase iterations
per discrete phase update.
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Number of cells
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155,188
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Cell type
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tetrahedral
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Models
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k-epsilon turbulence
6 species with reaction
dispersed phase
P1 radiation
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Solver
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segregated implicit
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Plots
- Serial
- Parallel
Results
In the table below, a rating
listed in red corresponds to the redzone result, and one in bold is a peak
result. Bold red is used to
indicate that the run was both the peak and redzone result.
Results are listed alphabetically by platform, within each FLUENT version.
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