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최상규(S. K. Choi),원상희(S. H. Won),정석호(S. H. Chung),차민석(M. S. Cha),송영훈(Y. H. Song) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Characteristics of syngas combustion was studied numerically for various mixing ratios of methane and syngas which was produced by partial oxidization of methane. Ideal case in which CH₄ is completely decomposed into CO and H₂, and the syngas obtained by equilibrium code which contains other species, were compared. For ideal case, the composition of premixture varies almost linearly for reforming rate, while the composition of syngas from equilibrium code varies nonlinearly and does not vary much until the reforming rate of 0.4. When the mixture of ambient temperature was used, as reforming rate increases, flame temperature decreases but laminar burning velocity increases. This inverse trend which is not general is due to the decrease of overall activation energy as reforming rate. The exponential term of the reaction rate which contains the activation energy and temperature shows similar trend to the laminar burning velocity. Lean flammability limit is expanded, and extinction stretch rate of diffusion flame is increased as reforming rate increases. The flame characteristics is more improved for the ideal case, it will be important to reform effectively to achieve better performance of combustor.
[학술강연] 플라즈마를 이용한 박용엔진 저온 탈질 설비에 대한 연구
정경열(K.Y.Chung),송영훈(Y.H.Song),동은석(E.S.Dong),이수태(S.T.Lee),김진영(J.H.Kim),류길수(K.S.Rhyu) 한국마린엔지니어링학회 2002 한국마린엔지니어링학회 학술대회 논문집 Vol.2002 No.-
In this paper, we study NH₃ De-NOx SCR (Selective Catalyst Reduction) technology of marine engine for low temperature (below 250 C) exhaust gas.<br/> This technology can remove max 80% NOx in exhaust gas under low gas temperature (below 250C) condition using combined non-thermal Plasma and Ammonia SCR method.<br/>