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박창권(Chang Kwon),장덕표(Duck-Pyo Jang),손승길(Seung-Kil Son),박인석(In-Seok Park) 한국연소학회 2010 KOSCOSYMPOSIUM논문집 Vol.- No.40
The paper has experimentally evaluated the combustion characteristics on flat plate type premixing combustion gas burner using sintered mat in order to develop the condensing gas boiler of capacity 37㎾, shown the results of flame form and emission for metal fiber made in domestic, metal fiber sintered mat plate. As a result, Metal fiber sintered mat with 0.8㎜ single hole shows the lowest CO and NOx level among the three cases(1.5㎜, 1.0㎜,0.8㎜). And as decreasing hole diameter in metal fiber sintered mat with single hole, flame length increase and CO and NOx level decreases. As the hight of combustion camber increases, CO and NOx levels are decreased.
유병훈(Byeonghun Yu),김종민(Jong-Min Kim),이승로(Seungro Lee),금성민(Sung-Min Kum),이창언(Chang-Eon Lee),손승길(Seung-Kil Son) 한국연소학회 2011 KOSCOSYMPOSIUM논문집 Vol.- No.43
In this study, the effect of exhaust gas recirculation on NOx and CO emissions and flame behaviors on the burner surface were experimentally investigated by various equivalence ratio using a condensing boiler as typical household premixed combustion device. As results, the NOx and CO emissions increased as the equivalence ratio and boiler capacity increased without exhaust gas recirculation. However, NOx and CO emissions decreased, when the rate of exhaust gas recirculation increased, Also if equivalence ratio was increased to improve the efficiency of boiler, the part of the metal fiber burner surface changed in red. In addition, when the rate of exhaust gas recirculation increased, the part of the metal fiber burner surface was almost unchanged.