| View Larger Image | Microparticle detachment from surfaces exposed to turbulent air flow: microparticle motion after detachment [An article from: Journal of Aerosol Science] | Digitalby A.H. Ibrahim (Author), R.M. Brach (Author), P.F. Dunn (Author)
| List Price: | $8.95 | | | Available: | Available for download now |
| | Binding: | Digital | | Publisher: | Elsevier | | Publication Date: | October 01, 2004 |
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Product Description
This digital document is a journal article from Journal of Aerosol Science, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.Description: The motion of heavy microspheres after their detachment from flat surfaces is considered. The microspheres initially are in static contact equilibrium, embedded fully in the viscous sublayer and subjected to a slowly accelerating fully developed turbulent flow. The equations of motion of the microspheres are presented, including surface roughness effects. The equations are solved numerically for detachment with and without consideration of a burst-sweep event initiating detachment. The microsphere velocity along the surface after detachment is measured using a strobed laser-light sheet and compared to the numerical solutions. Results indicate that the microspheres undergo pure rolling along the surface before possible entrainment and that the sweep plays a role in the detachment process. A model for predicting the microsphere velocity along the surface after detachment is presented. |
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