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Impact of Atmospheric Fine Particles on Equivalent Ionic Mobility in Direct Current Corona Discharge

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

An investigation into the effect of the mass concentration of fine particles on the equivalent ionic mobilities of the system composed of small ions and large ions in the atmosphere is presented. A measurement apparatus is designed using direct current corona discharge at room temperature. Positive and negative ion mobilities are extracted from the electric field strength and ion current density measured in the apparatus. With the presence of fine particles, equivalent ionic mobilities are found to decrease exponentially with the mass concentration of the particles. The distributions of electric field and space charge density, the contributions to the charge density from ions and fine particles are also calculated.

Original languageEnglish
Title of host publicationSelected papers from the International Symposium on Applied Electromagnetics and Mechanics 2023, ISEM 2023
Subtitle of host publicationPart 2
EditorsSoichiro Ikuno, Yiming Deng, Weiying Cheng, Jozsef Pavo
PublisherIOS Press BV
Pages41-47
Number of pages7
ISBN (Electronic)9781643685915
DOIs
StatePublished - 29 Apr 2025
Event21st International Symposium on Applied Electromagnetics and Mechanics, ISEM 2023 - Hachioji, Japan
Duration: 12 Nov 202315 Nov 2023

Publication series

NameStudies in Applied Electromagnetics and Mechanics
Volume48
ISSN (Print)1383-7281
ISSN (Electronic)1879-8322

Conference

Conference21st International Symposium on Applied Electromagnetics and Mechanics, ISEM 2023
Country/TerritoryJapan
CityHachioji
Period12/11/2315/11/23

Keywords

  • Atmospheric fine particle
  • corona discharge
  • ionic mobility
  • ionized field

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