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Numerical simulation of a mild combustion burner

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摘要

A combustor with high air preheating and strong internal exhaust gas recirculation is numerically simulated. The combustor operates in the mild combustion mode, characterized by relatively low flame temperatures, low NO{sub}x emissions, no visible flame and no sound. The Eulerian Particle Flamelet model by Barths et al. 1 is employed to calculate NO in a postprocessing stage. Predictions of the mean and fluctuating velocity components, as well as local residence times, are compared with experimental data. It is found that the predicted profiles reproduce the data reasonably well, but some discrepancies were found. The NO emission calculated using this unsteady flamelet model is relatively close to measurements available from a previous study, while steady flamelets overpredict the NO emission by an order of magnitude.

著录项

  • 来源
    《Combustion and Flame》 |2001年第3期|503-518|共16页
  • 作者

    P. J. Coelho; N. Peters;

  • 作者单位
  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 英语
  • 中图分类 燃料与燃烧;
  • 关键词

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