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| Titel: |
Visualization of Saltating Sand Particle Movement near a Flat Ground Surface |
| Auteur: |
Zhang, W. Kang, J. H. Lee, S. J. |
| Verschenen in: |
Journal of visualization |
| Paginering: | Jaargang 10 (2008) nr. 1 pagina's 39-46 |
| Jaar: |
2008-07-06 |
| Inhoud: |
Movement of natural sand particles (d=200–300 μm) in a simulated atmospheric boundary layer was visualized using a digital high-speed camera. The consecutive particle images recorded at 2000 fps (frame per second) enabled us to observe the particle transport in detail, especially near the flat sand surface. Various modes of sand saltation were identified. The transverse motion of particles, often ignored in previous studies, was also visualized. In addition, instantaneous velocity fields of saltating particles were obtained using a particle tracking velocimetry (PTV), and statistical analysis of saltating particle trajectories was performed. The qualitative and quantitative results of the present study will be useful for understanding the basic physics of transport of saltating sand particles. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 34 van 46 gevonden artikelen
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