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An air-assisted passive ionizer was developed for the elimination of static charges on charged particles accumulated in pipes, hoppers or silos. The ionizer is a grounded electrode with a sharp tip at which corona discharge take place due to the electric field produced by the charged particles. A charged plastic pipe was used to test the performance of the passive ionizer. The ionizer was placed in...
In this paper, a noncontact surface-resistivity measurement has been developed for the evaluation of electrostatic properties in plastic materials coated with an antistatic spray. The system includes a corona-charging electrode and an electrostatic field meter. The corona-charging electrode consists of a grounded planar electrode with a circular hole and a needle electrode that penetrates the planar...
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