Evaluation of the influence of OEC on soot formation and thermal radiation in confined acetylene diffusion flames

The effect of OEC on soot formation and thermal radiation was studied in confined acetylene diffusion flames. Confined flames are widely used in industrial settings. The flames were produced in a combustion chamber with a burner operating with a parallel annular coaxial flow of the oxidizer. The soo...

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Bibliographic Details
Published in:International communications in heat and mass transfer 2012-12, Vol.39 (10), p.1513-1518
Main Authors: Santos, Alex A.B., Torres, Ednildo A., Pereira, Pedro A.P.
Format: Article
Language:English
Subjects:
Acetylene
Applied sciences
Combustion
Combustion chambers
Combustion of gaseous fuels
Combustion. Flame
Confined acetylene flames
Diffusion flames
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Mathematical analysis
OEC
Oxygen air enrichment
Oxygen content
Soot
Soot formation
Theoretical studies. Data and constants. Metering
Thermal radiation
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Summary:The effect of OEC on soot formation and thermal radiation was studied in confined acetylene diffusion flames. Confined flames are widely used in industrial settings. The flames were produced in a combustion chamber with a burner operating with a parallel annular coaxial flow of the oxidizer. The soot concentration was calculated by the laser-induced light extinction method. The thermal radiation was measured with a radiometer in the narrow band of influence of soot radiation. The oxygen content in the combustion air was less than 30% – 21 to 25% – which does not require significant retrofitting of existing equipment when combustion conditions are varied. The results suggest that the use of OEC enables soot formation and thermal radiation in confined acetylene flames to be managed and controlled.
ISSN:0735-1933
1879-0178
DOI:10.1016/j.icheatmasstransfer.2012.10.004