Numerical study on heat flow during catalytic dissociation of ozone in a dielectric barrier discharge ozonizer

Ruey Chang Hsiao, Ta Lun Sung, Chung Ming Liu, Shinriki Teii, Shigeru Ono, Kungen Teii, Kenji Ebihara

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

A simple heat flow model is established for numerical analysis of the effect of catalytic dissociation of ozone on electrode surface temperature in a coaxial cylindrical-type dielectric barrier discharge ozonizer. The amount of heat consumed by the ozone decomposition at the electrode surface is determined from the balance of heat flow among the discharge gas, electrode, and cooling water. Our calculation using the experimental data shows that the ozone decomposition by 1.6% in total ozone reaching the electrode surface is required to explain the observed temperature decrease from about 20 °C to 8 °C for a stainless steel electrode, while that by 4.5% is needed to explain the temperature decrease from about 20 °C to 19 °C for a copper electrode. The decomposition rates calculated in the discharge are about two orders of magnitude higher than those measured in gas flow downstream of a similar discharge.

Original languageEnglish
Article number6996024
Pages (from-to)665-669
Number of pages5
JournalIEEE Transactions on Plasma Science
Volume43
Issue number2
DOIs
Publication statusPublished - Feb 1 2015

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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