Nanoparticle deposition in granular filters at Reynolds numbers higher than unity |
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Authors: | V A Kirsh A A Kirsh |
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Institution: | 1.A.N. Frumkin Institute of Physical Chemistry and Electrochemistry,Russian Academy of Sciences,Moscow,Russia;2.National Scientific Centre Kurchatov Institute,Moscow,Russia |
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Abstract: | The influence of the inertia of a viscous incompressible liquid flow on the viscous drag and diffusion deposition of particles in model granular filters at Reynolds numbers higher than unity, Re > 1, has been considered. The granule drag forces and particle-collection efficiencies in isolated layers with square and hexagonal packings of granules have been calculated. The influence on each other of approaching monolayers of granules on pressure drop and nanoparticle deposition has been studied. It has been shown that, at Re > 1, the collection efficiency dramatically increases due to the effect of interception. |
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