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| Content Provider | Springer Nature Link |
|---|---|
| Author | Jin, HanHui Chen, SuTao Chen, LiHua Fan, JianRen |
| Copyright Year | 2010 |
| Abstract | An LES/FDF model was developed by the authors to investigate the SGS effect on the particle motion in the gas-particle two-phase plane wake flow. The simulation results of dispersion rate for different particles were compared with the results without using the FDF model. It was shown that the large eddy structure is the dominant factor influencing the particle diffusion in space for small particles (small Stokes-number particles), but for intermediate or large diameter particles, the influence of the sub-grid scale eddies on the dispersion rate is in the same order as that of the large eddies. The sub-grid scale eddies increase the particle dispersion rate in most time, but sometimes they decrease the dispersion rate. The sub-grid scale particle dispersion rate is decided not only by the intensity of sub-grid scale eddies and the Stokes number of the particles, but also by the large eddy structure of the flow field. For the particles in isotropic turbulence, the dispersion rate decreases as the particle diameter increases. |
| Starting Page | 1304 |
| Ending Page | 1308 |
| Page Count | 5 |
| File Format | |
| ISSN | 16747321 |
| Journal | Science in China Series E: Technological Sciences |
| Volume Number | 53 |
| Issue Number | 5 |
| e-ISSN | 1862281X |
| Language | English |
| Publisher | SP Science China Press |
| Publisher Date | 2010-04-15 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | multiphase flow large eddy simulation filtered density function turbulence sub-grid Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Engineering Materials Science |
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