THEORETICAL AND EXPERIMENTAL STUDY OF THE EFFECT OF EXTERNAL ELECTROSTATIC FIELD ORIENTATION ON THE FILTRATION OF DUST BY GRANULAR BED FILTERS.

M. Shapiro*, G. Laufer, C. Gutfinger

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

The separation of fine aerosol particles by a packed granular bed filter, enhanced by external electrostatic fields, was studied experimentally and theoretically. The filtration efficiences of charged and neutralized aerosols were measured for external fields aligned with the air flow, transverse to the flow and opposite to the flow. Theoretical models of electrostatically enhanced granular bed filtration of micrometer and submicrometer particles were developed. Experimental results which demonstrate the relative merit of each configuration were presented and compared with the theory. The parallel field configuration yielded the best filtration efficiency followed by the transverse configuration.

Original languageEnglish
Pages (from-to)1172-1176
Number of pages5
JournalConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
StatePublished - 1984
Externally publishedYes

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