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Collection Efficiency in Narrow Electrostatic Precipitators with a Longitudinal or Transverse Wire Electrode

Abstract

Recently narrow electrostatic precipitators (ESPs) have become a subject of interest because of their possible application in diesel engine exhaust systems. In this work, results of particle collection efficiency measurements in narrow electrostatic precipitators for negative and positive dc voltage polarity are presented. The ESP usedin this work was a parallelepiped equipped with wire discharge electrode and two collecting plate-electrodes. The experiments were carried out for two discharge electrode positions: longitudinally or transversely to the main flow direction. The obtained results showed that the collection efficiency strongly depends on the discharge electrode position. It is higher in the ESP with longitudinally-to-flow placed discharge electrode. The collection efficiency is also influenced by the EHD secondary flow generated in the ESP. The EHD secondary flow with high migration velocity (y-component of the particle velocity) and low turbulence intensity increase the chanceof the particle deposition on the collecting electrodes.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION no. 18, pages 1423 - 1428,
ISSN: 1070-9878
Language:
English
Publication year:
2011
Bibliographic description:
Niewulis A., Podliński J., Mizeraczyk J., Shapoval V.: Collection Efficiency in Narrow Electrostatic Precipitators with a Longitudinal or Transverse Wire Electrode // IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION. -Vol. 18, nr. Iss. 5 (2011), s.1423-1428
DOI:
Digital Object Identifier (open in new tab) 10.1109/tdei.2011.6032811
Verified by:
Gdańsk University of Technology

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