Special features of filtration of heavy particles with fine-fiber materials |
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Authors: | A L Chernyakov |
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Institution: | 1. Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia
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Abstract: | The excitation of elastic vibrations of fibers upon inertial deposition of submicron aerosol particles in the course of gas filtration through fine-fiber filters has been considered. Equations describing the dynamics of the interaction of several aerosol particles with a fiber have been derived. It has been shown that, in the case of heavy particles and long fibers, particles that have been previously deposited onto the fibers can be knocked-out upon an impact of a fast particle. Moreover, it has been demonstrated that fast particles can penetrate through traps consisting of several fibers due to the deformation of the latter. All these processes may have a substantial effect on the filtration performance in the inertial regime. |
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