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곽철우(Chulwoo Kwark),김규보(Guybo Kim),최승환(Seunghwan Choi),정동수(Dongsu jeong),전충환(Chunghwan Jeon),장영준(Youngjune Chang) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
A cylindrical constant volume combustion chamber was used to investigate the flow characteristics at spark plug and the combustion characteristics of inhomogeneous charge methane-air mixture under several parameters. The flow characteristics such as mean velocity and turbulence intensity was analyzed by hot wire anemometer. The role of mixture stratification on combustion rate has been investigated in a C.V.C.C in which mixtures of different excess air ration can be added in a spatially and temporally controlled fashion .The experiments were performed that various stratification patterns which had different concentration distributions were obtained by means of variation of the concentration of the initial charge mixture and injection mixture at the fixed overall excess air ratio.<br/>