Aerosol Charging with a Piezoelectric Plasma Generator

Helmut Krasa, Mario Anton Schriefl, Martin Kupper*, Alexander Melischnig, Alexander Bergmann

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikelBegutachtung


A novel piezoelectric plasma generator developed by TDK Electronics GmbH & Co OG, the CeraPlas® , was investigated for its feasibility as a charger for aerosol particles. The CeraPlas® charger was directly compared to a commercially available bipolar X-ray charger regarding its efficiency of charging atomized NaCl particles in a size range from 30nm to 100nm. First results show the ability of the CeraPlas® to perform bipolar aerosol charging with high reproducibility, and measurements of the charge distribution in the Nit product yielded about 1012 m􀀀3 s for our experimental charging configuration. Unwanted generation of ozone was suppressed by a dedicated charging chamber and operation in N2 atmosphere.
Seiten (von - bis)377-388
PublikationsstatusVeröffentlicht - 16 Juli 2021


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