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[가솔린엔진부문] 평행봉 구조물을 이용한 촉매변환기 내 유동분포 개선
민영욱(Younguk Min),전필수(Pilsoo Jeon),이광재(Kwangjai Lee),유재석(Jaisuk Yoo),이종화(Jong-hwa Lee) 한국자동차공학회 2001 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2001 No.11_1
The underbody catalytic converter(UCC) has a problem that the flow entered monolith is concentrated in the center section of monolith. It lead to the decrease of lifetime of UCC by the local deterioration of monolith and the low conversion rate of exhaust gas. In this study the frame with parallel bars was installed in diffuser for the effective flow distribution. Finally. by removing the fixed frame between monoliths the velocity distribution becomes uniform with minor increasement of pressure drop.