Flame Enhancement by Microwave-Induced Plasma: The Role of Major Bath Gas N2 Versus Ar

Hong Yuan Li, Po Hsien Huang, Yei Chin Chao

研究成果: Article同行評審

5 引文 斯高帕斯(Scopus)

摘要

A novel centralized microwave jet burner system is proposed here that can be used as a test platform to enable studies of plasma-assisted combustion (PAC) under various operation conditions and combustible mixtures. Spectroscopic characterizations of this burner are conducted using optical emission spectrum with methane/O2/N2 and methane/O2/Ar mixtures for comparison to distinguish the effects of the bath gas on flame enhancement and to delineate the flame enhancement mechanism of microwave induced plasma. The results show that the flame enhancement, by applying a nonequilibrium plasma, is more efficient when the dilution inert N2 in the air is replaced by Ar. The bath gas in the oxidizer stream plays an important role in the flame enhancement mechanism for the PAC system through more efficient direct impact of excited electrons on oxygen in the plasma and resulting in earlier initiation of the chain reactions through branched OH formation reactions in the flame.

原文English
頁(從 - 到)1831-1843
頁數13
期刊Combustion science and technology
188
發行號11-12
DOIs
出版狀態Published - 2016 12月 1

All Science Journal Classification (ASJC) codes

  • 一般化學
  • 一般化學工程
  • 燃料技術
  • 能源工程與電力技術
  • 一般物理與天文學

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