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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yue, Gao wei Zheng, Xiao jing |
| Copyright Year | 2007 |
| Abstract | A theoretical model is suggested to mathematically describe the effect of thermal diffusion from a sand-bed on evolution of a wind-blown sand flow. An upward wind field is engendered by the thermal diffusion and the coupling interaction among the horizontal and upward wind flow, saltating grains, and a kind of electrostatic force exerted on the grains are considered in this theoretical model. The numerical results show that the effect of the thermal diffusion on the evolution process of wind-bown grain flow is quite obvious and very similar to the effect of the electrostatic force on the evolution. Not only the time for the entire system to reach a steady state (called the duration time), the transport rate of grains, the mass-flux profiles and the trajectory of saltating grains are affected by the thermal diffusion and the electrostatic force exerted on saltating grains, but also the wind profiles and the temperature profiles at the steady state are affected by the wind-blown sand flow. |
| Ending Page | 192 |
| Page Count | 10 |
| Starting Page | 183 |
| File Format | |
| ISSN | 02534827 |
| e-ISSN | 15732754 |
| Journal | Applied Mathematics and Mechanics |
| Issue Number | 2 |
| Volume Number | 28 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2007-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | wind-blown grains Heat and mass transfer, heat flow thermal diffusion transport rate of grains electrostatic field Mechanics Turbulent transport, mixing Applications of Mathematics Mathematical Modeling and Industrial Mathematics Turbulent boundary layers multi-field coupling |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Mathematics Mechanics of Materials Mechanical Engineering |
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