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http://dx.doi.org/10.3795/KSME-B.2005.29.5.617

Investigation on Thermal and Chemical Effects of CO2 in Oxygen Enriched Flame  

Kum Sung Min (한라대학교 기계자동차공학부)
Lee Chang Eon (인하대학교 기계항공공학부)
Han Ji Woong (한국원자력연구소 방사성폐기물처분연구부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.29, no.5, 2005 , pp. 617-624 More about this Journal
Abstract
An analysis of the effects of $CO_{2}$ on fundamental combustion characteristics was performed in Oxygen enriched condition by comparing the laminar burning velocities, flame structures, fuel oxidation paths. Fictitious $CO_{2}$ was introduced to discriminate the chemical reaction effects of $CO_{2}$ from the thermal effects. PREMIX code was utilized to evaluate the laminar burning velocities. OPPDIF code was utilized to investigate the flame structure and fuel oxidation path variation. The contributions of thermal effects on laminar burning velocities are dominant at lowly oxygen-enriched condition but those of chemical reaction effects become dominant at highly oxygen-enriched condition. Chemical reaction effects caused the additional flame temperature decrease besides thermal effects and oxygen-leakage increase in non-premixed flame. Specific fuel oxidation path and CO production path is enhanced in spite of overall decrement of fuel consumption rate by chemical reaction effects of$CO_{2}$.
Keywords
Thermal Effect; Chemical Effect; Quantitative Reaction Path Diagram; Oxygen Enriched Flame;
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Times Cited By KSCI : 2  (Citation Analysis)
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