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Viscous flow model for charged particle trajectories around a single square fiber in an electric field

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1 Author(s)
Adamiak, K. ; Dept. of Electr. Eng., Univ. of Western Ontario, London, Ont., Canada

The trajectories and deposition efficiency of aerosol particles on a single rectangular fiber are studied in this paper. It is assumed that the particles are electrically charged and an external electric field is applied. A conductive, infinitely long fiber can be rotated by some angle with respect to the air flow. A single aerosol particle moves under the influence of the inertial, air drag, and electrical forces. The air-flow distribution is determined by solving the Navier-Stokes equation assuming laminar flow. The vorticity-stream function approximation is used and solved by means of the finite-element method. Results of numerical simulation for the particle trajectories and deposition efficiency are shown for different Reynolds, Stokes, and Coulomb numbers

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Industry Applications, IEEE Transactions on  (Volume:35 ,  Issue: 2 )