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낮은 Rayleigh값의 B nard Convection 유동장에 주입된 기포의 영향에 관한 연구
엄용균,권기한,Eom, Yong-Gyun,Gwon, Gi-Han 대한기계학회 2001 大韓機械學會論文集B Vol.25 No.12
n a enclosed square cavity occurred B nard convection, the flow phenomena in the surrounding of the bubble attached at the upper cooled solid wall were studied by using a thermo-sensitive liquid-crystal tracer and image processing techniques. This method offers the advantage of measuring the entire flow field in a selected plane within the fluid at a given instant of time in contrast to point by point method like T/C. Quantitative data of the temperature were obtained by applying a colour-image-processing to the visualized image. As the flowing in a bubble, In a bubble size appears the flow phenomena which the direction of flow is reversed in the entire temperature and flow field. The observed phenomena are described with regard to the thermocapillary convection.
생산 흐름 분석을 통한 FAS라인의 최적 배치 설계에 관한 연구
가춘식(Chun Sik Ga),정진휘(Jinhwi Jung),장봉춘(Bong-Choon Jang),엄용균(Yong-Gyun Eom) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
Many mid-sized companies in Korean automotive industry have attempted to solve the lack of human power, to control the quality of components, to improve the production rate, and to innovate the manufacturing line. The goals of this study are to analyze the production rate of an automotive component manufacturing line using simulation software, to construct a Flexible Automation Subassembly (FAS) system and to suggest an optimized layout design using FAS line. In this research, the simulation model for manufacturing line was developed and used the realistic data (production planning, component type, working order, process time, queue time, line rules, etc) of a medium sized company in Korean automotive industry. To complete this research, a simulation software 'ARENA' was used.
ARENA 소프트웨어를 이용한 자동차 부품 제조 공장 시뮬레이션 모델링
천성국(Sungkook Cheon),Ram Prabhu(Ram Prabhu),Nelson Adres(Nelson Adres),장봉춘(Bong-Choon Jang),엄용균(Yong Gyun Eom) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Many mid-sized companies in Korean automotive industry have attempted to solve the lack of human power, to control the quality of components, to improve the production rate, and to innovate the manufacturing line .The goals of this study are to analyze the production rate of an automotive component manufacturing line using simulation software, to construct a Flexible Automation Subassembly (FAS) system and to suggest an optimized layout design using FAS line. In this research, the simulation model for manufacturing line was developed and used the realistic data (production planning, component type, working order, process time, queue time, line rules, etc) of a medium sized company in Korean automotive industry. To complete this research, a simulation software 'ARENA' was used.