NO removal characteristics of a corona radical shower system under DC and AC/DC superimposed operations

K. Yan, T. Yamamoto, S. Kanazawa, T. Ohkubo, Y. Nomoto, Jen-Shih Chang

Research output: Contribution to journalArticleAcademicpeer-review

33 Citations (Scopus)
191 Downloads (Pure)

Abstract

In this paper, the effects of the applied voltage modes on the positive corona discharge morphology and NO removal characteristics from air streams are experimentally investigated. By using a DC superimposed high frequency AC power supply (10-60 kHz), a uniform streamer corona can be generated, which is also less sensitive to electrode mis-arrangements. Hermstein glow can he transferred to streamer corona if the peak-to-peak voltage is larger than 1.0 kV at the voltage change rate of 0.2 kV/µs. A significant amount of NO removal is observed under streamer corona. For the Hermstein glow, the removal is negligible. Moreover, the basic principle for designing AC/DC energized streamer corona is also presented in this paper
Original languageEnglish
Pages (from-to)1499-1504
Number of pages6
JournalIEEE Transactions on Industry Applications
Volume37
Issue number5
DOIs
Publication statusPublished - 2001

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