Diffusion flames in opposed counter-rotating jets

T. H. Lin, S. H. Sohrab

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11 引文 斯高帕斯(Scopus)


In this study, we present the results of our experimental investigation of the behavior of methane and butane diffusion flames in counter-rotating opposed-jet flow. The variations of flame temperature and position as functions of the jet angular velocity ω are reported. Also, using the previously developed theory for non-reactive, inviscid flow field, the flame extinction data are correlated with the stretch rates experience by the flames. The calculated critical values of ω corresponding to the minimum fuel concentration at extinction are found to be in close agreement with the experimental observations. It is established that the Lewis number of the mixture has a pronounced effect on the behavior of diffusion flame within the recirculating secondary flow. The relevance of the results to the understanding of turbulent diffusion flames is discussed.

頁(從 - 到)193-207
期刊Combustion science and technology
出版狀態Published - 1989 二月 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Physics and Astronomy(all)

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