Abstract
Deposition of unipolarly charged aerosol particles flowing through parallel plates has been investigated both theoretically and experimentally. The equation of motion for the particles was solved numerically in consideration of the coulombic force, image force, particle-inertia force, and fluid-velocity profile. Then the deposition efficiency was calculated based on the limiting trajectories of the particlesIt was found that the calculated deposition efficiency, assuming a laminar flow, was a little smaller than the corresponding analytical solution obtained for the plug flow distribution. It was also found that the effect of the image force and particle-inertia force was negligible in the experimental range. The experimental deposition efficiencies for charged fly-ash particles were well explained in so far as the actual velocity distributions were taken into consideration.
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