Predictions of soot and thermal radiation properties in confined turbulent jet diffusion flames

Brookes  S.J.; Moss  J.B.

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Predictions of soot and thermal radiation properties in confined turbulent jet diffusion flames

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摘要

Computational modeling of well-documented jet diffusion flames, burning methane at atmospheric and elevated pressure, is presented. The main emphasis of the work is on the intimate coupling between the soot production rate and the flame radiative heat loss. This coupling is found to be vital for flame soot prediction. A number of methods for closing soot production source terms in the turbulent flow are presented and assessed. In particular it is shown that the degree of correlation assumed between soot particles and their oxidizing species exerts a large influence on both the growth of the soot and its subsequent burnout. Finally, predictions of the mean radiative emission spectra from these flames are presented.

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《Combustion and Flame》 |1999年第4期|486-503|共18页
作者
Brookes S.J.; Moss J.B.;
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作者单位

Cranfield Univ;

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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
Flame research; Jets; Turbulent flow; Soot; Thermal diffusion in gases; Heat radiation; Pressure effects; Heat losses; Mathematical models; Computational methods; Spectrum analysis; Turbulent jet diffusion flames; Flame soot predictions;

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Predictions of soot and thermal radiation properties in confined turbulent jet diffusion flames

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