NDLI: Two-stage-type electrostatic precipitator re-entrainment phenomena under diesel flue gases

Content Provider	IEEE Xplore Digital Library
Author	Zukeran, A. Ikeda, Y. Ehara, Y. Matsuyama, M. Ito, T. Takahashi, T. Kawakami, H. Takamatsu, T.
Copyright Year	1972
Abstract	One of the applications of the electrostatic precipitator (ESP) is the cleaning of air to increase the visibility index in highway tunnels. Particles floating in air in highway tunnels are mainly carbon. Collection efficiency of a large particle diameter in an ESP often decreases when the ESP collects carbon particles which have low electric resistance. Collection efficiency often becomes negative in an experimental ESP. The negative collection efficiency means that the particle concentration flowing downstream is greater than that upstream in the ESP. This phenomenon is explained as the re-entrainment of particles. In this paper, experiments were carried out to investigate the cause of the decrease in efficiency of particle collection of the ESP. The time characteristic of the collection efficiency and the distribution of particle size on the collection electrodes were studied. Experimental results showed that the decrease in the collection efficiency was caused by re-entrainment of particles during the ESP operation. The effect of gas-flow velocity on the collection efficiency of the ESP was also investigated to study the cause of re-entrainment phenomena. The result showed that the re-entrainment phenomena depended on the gas-flow velocity.
Sponsorship	IEEE Industry Applications Society
Starting Page	346
Ending Page	351
Page Count	6
File Size	402312
File Format	PDF
ISSN	00939994
Volume Number	35
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrostatic precipitators Flue gases Electrodes Road transportation Indium tin oxide Cleaning Carbon dioxide Environmentally friendly manufacturing techniques Industrial pollution Industry Applications Society
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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