Abstract
Flow behavior of gas/ultra-fine particles two-phase system was investigated by large eddy simulation for gas turbulence and direct simulation Monte Carlo for particles collisions. The Newtonian equations of motion are solved for each individual particle in the system. The two-way coupled of the mutual interactions between particles and gas phase is established by applying the Newton's third law to discrete particles. The effect of van der Waals force on flow of ultra-fine particles was considered in the simulations. Numerical simulations of ultra-fine particles flow were performed in a riser. The distributions of concentration, velocity of ultra-fine particles and cluster properties were analyzed.
| Original language | English |
|---|---|
| Pages (from-to) | 805-807 |
| Number of pages | 3 |
| Journal | Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics |
| Volume | 27 |
| Issue number | 5 |
| State | Published - Sep 2006 |
| Externally published | Yes |
Keywords
- Direct simulation Monte Carlo
- Large eddy simulation
- Ultra-fine particles
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