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|Title: ||Simulation and characterization of high porosity media for aerosol particle processing – a numerical study|
|Authors: ||Serrenho, A|
Miguel, A. F.
|Keywords: ||porous media|
|Issue Date: ||Nov-2009|
|Publisher: ||Begell House|
|Citation: ||A. Serrenho, A. F. Miguel. Simulation and characterization of high porosity media for aerosol particle processing – a numerical study. Journal of Porous Media 12 (2009) 1129-1138|
|Abstract: ||Processes involving suspensions ﬂow occur in many natural, biological, and industrial systems. Examples also include the production of many advanced materials, such as semiconductors, and new product formulations
with importance in pharmaceutical and medical applications. In certain tasks microchannels and porous media are used to promote a rapid mixing of aerosol streams to produce more uniform dispersions and coatings. A major concern for industrial use is caused by the fact that the aerosol particles deposit onto the solid structure of channels and this must be controlled to avoid clogging. We report a study of the application of high-porosity media for the generation of uniform ﬂow suspensions. Two key quantities were used to characterize the process: particle losses (deposition)within the porous medium and residence time distribution of the particles. This study clearly demonstrates that the geometric characteristics of the porous media, the ﬂuid velocity, ﬂuid viscosity, and particle size should be controlled in order to get more uniform dispersions and prevent
the unwanted particle loss.|
|Appears in Collections:||FIS - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica|
CGE - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
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