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Online diagnosis of electron excitation temperature in CH 4+H2 discharge plasma at atmospheric pressure by optical emission spectra

  • Jinhua Cui
  • , Zhenfeng Xu
  • , Jialiang Zhang*
  • , Qiuyue Nie
  • , Genhui Xu
  • , Longliang Ren
  • *Corresponding author for this work
  • Liaoning Normal University
  • Liaodong College
  • Dalian University of Technology
  • Tianjin University

Research output: Contribution to journalArticlepeer-review

Abstract

Methane coupling under low temperature plasmas at atmospheric pressure is a green process by use of renewable sources of energy. In this study, CH 4+H2 discharge plasma was on-line diagnosed by optical emission spectra so as to characterize the discharge system and to do spade work for the optimization of the technical parameters for future commercial production of methane coupling under plasmas. The study was focused on a calculation method for the online diagnosis of the electron excitation temperature in CH4+H2 discharge plasma at atmospheric pressure. The diagnostic method is easy, efficient and fairly precise. A serious error in a literature was corrected during the reasoning of its series of equations formerly used to calculate electron temperatures in plasmas.

Original languageEnglish
Pages (from-to)1892-1896
Number of pages5
JournalScience in China, Series G: Physics Astronomy
Volume51
Issue number12
DOIs
StatePublished - Dec 2008
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Electron excitation temperature
  • Low temperature plasma
  • Online diagnosis
  • Optical emission spectrum

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