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International Journal of Energy for a Clean Environment
SJR: 0.195 SNIP: 0.435 CiteScore™: 0.74

ISSN Imprimer: 2150-3621
ISSN En ligne: 2150-363X

International Journal of Energy for a Clean Environment

Précédemment connu sous le nom Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.v7.i3.70
pages 285-302

EMISSIONS AND RADIATION EFFICIENCY FOR METHANE COMBUSTION WITHIN A POROUS CERAMIC BURNER

Chengzong Li
Mechanical and Aerospace Engineering Department, Florida Institute of Technology, Melbourne, FL 32901, USA
Pei-Feng Hsu
Mechanical and Aerospace Engineering Department, Florida Institute of Technology, USA; School of Mechanical Engineering, Shanghai Dianji University, Shanghai 201306, China

RÉSUMÉ

The experimental results of premixed methane-air combustion within two different porosity-reticulated porous ceramic inserts are presented. The burner's radiant output and emissions of CO and NOx were measured under various equivalence ratios and flame speeds. The results indicated that CO and NOx emissions increased with flame speeds. The radiation efficiency decreased with flame speeds at a lower equivalence ratio. At a higher equivalence ratio the radiation efficiency of the ceramic burner is relatively constant. The burner has high radiation efficiency and as low CO and NOx emissions as other commercial ceramic fibrous burners, but it operates at a much higher combustion temperature.


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