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500 PS급 선박 SCR 반응기에서 디퓨저 각도와 면적비에 따른 유동균일도 수치해석
성홍석(Hongseok Seong),박인성(Inseong Park),장현(Hyun Jang),박창대(Changdae Park),김현규(Hyunkyu Kim),정경열(Kyoungyul Jung),서정세(Jeongse Suh) 한국생산제조학회 2015 한국생산제조학회지 Vol.24 No.4
Because flow uniformity affects the life cycle and performance of the catalyst, it is an important design factor for selective catalytic reduction (SCR) systems. We examined how the diffuser angle and the area ratio of the inlet of the SCR reactor to the front of the catalyst affect flow uniformity. For the numerical analysis, we used STAR-CCM+, a common CFD software program. Analysis results showed that the larger the area ratio was, the less the flow uniformity was, and that the longer the diffuser length was, the greater the flow uniformity was. When the area ratio was greater than 1:5, the flow uniformity appeared very similar at the front of the catalyst. As a result, the spread time of the exhaust gas increased and the flow velocity decreased.
최병일(Byungil Choi),김명배(Myungbae Kim),한용식(Yongshik Han),정경열(Kyungyul Chung),박창대(Changdae Park) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
Plant availability and safety are affected by the risk of the plant strongly. To reduce the risk, the efforts in every life cycle (plant design, plant equipment procurement and plant operation) of the plant industry are needed. In this paper, we introduce ICT convergence technologies which are carried out in dept. of the energy plant safety technology in KIMM, especially smart plant equipment, plant inspection/maintenance and safety action.