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이행남,박길문,이덕구,설재림,Lee Heang-Nam,Park Gil-Moon,Lee Duck-Gu,Sul Jae-Lim 한국마린엔지니어링학회 2005 한국마린엔지니어링학회지 Vol.29 No.5
The ejector is used to obtain a vacuum state, and it has been applied to a lot of industry field such as a heat engine, a fluid instrument power plant. a food industry, an environment industry etc., because there is no problem even it is mixed with any kind of liquid, gas. and solid. The flow characteristics in the ejector was investigated by a PIV and a CFD. The agreement between numerical analysis and experiment shows the validity of this study and the results of this study would be useful to the engineers who design for the flow systems for heating. ventilation. air conditioning and wastewater purification plants.
PIV와 CFD에 의한 Ejector내의 유동특성 연구
박지만(Ji-Man Park),이행남(Haeng-Nam Lee),박길문(Gil-Moon Park),이덕구(Duk-Gu Lee),설재림(Jae-Lim Sul) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.11
The Ejector is used to get low pressure, and it has been applied to a lot of industry field like the<br/> heat engine, the fluid instrument power plant, the food industry, environment industry etc... because<br/> there are not any problem even it is mixed with a any kind of liquid, gas, and solid. The flow<br/> characteristics in ejector are investigated by PIV and CFD. The experiment using PIV measurement for<br/> mixing pipe's flow characteristics acquired velocity distribution, kinetic energy distribution, and<br/> whirlpool . (Condition : when mixing pipe's diameter ratio is 1:1.9, and the flux is ??Based on the PIV and the CFD results, the flow<br/> characteristics in ejector are discussed, and it shows the validity of this study.
이행남(Haeng-Nam Lee),박길문(Gil-Moon Park),나기대(Gi-Dea Na),손현철(Hyun-Chul Sohn),고현선(Hyun-Sun Go),박지만(Ji-Man Park),설재림(Jae-Lim Sul) 한국유체기계학회 2006 유체기계 연구개발 발표회 논문집 Vol.- No.-
This study analyses flowing characteristics of ejectors whose design expense is cheap and rarely need maintenance. Ejectors are appled for various industrial fields such as waste water treatment facilities, nuclear energy plants and boiler systems because of such advantages. This study analyses flowing of fluid absorbed because of low-pressure of driving pipes and expanded pipes. For this, diameter ratios of driving pipes and expanded pipes, and Reynolds number are changed and interpreted with CFD to identify flowing characteristics such as pressure and velocity distribution.
이행남,박길문,모양우,이덕구,설재림,김건일 朝鮮大學校 機械技術硏究所 2004 機械技術硏究 Vol.7 No.2
The ejector is used to get low pressure, and it has been applied to a lot of industry field like the heat engine, the fluid instrument power plant, the food industry, environment industry etc. because there are not any problem even it is mixed with kinds of liquid, gas, and solid. The flow characteristics in diffuser are investigated by PIV and CFD. The agreement between numerical analysis and experiment shows the validity of this study and the results of this study would be useful to the engineers who design for the flow systems for heating, ventilation, air conditioning and wastewater purification plants.
김도태,이행남,박길문,이덕구,설재림 朝鮮大學校 機械技術硏究所 2004 機械技術硏究 Vol.7 No.1
The diffuser is used to get low pressure, and it has been applied to a lot of industry field like the heat engine, the fluid instrument power plant, the food industry, environment industry etc... because there are not any problem even it is mixed with kinds of liquid, gas, and solid. The flow characteristics in diffuser are investigated by prv and CFD. The experiment using PIV measurement for mixing pipe's flow characteristics acquired velocity distribution, .Condition : when mixing pipe's diameter ratio is 1:2.3, and the flux is Q₁ = 1.136 l/s, Q₂ = 1.706 l/s, Q₃ = 2.276 l/s . Based on the PIV and the CFD results, the flow characteristics in ejector are discussed, and it shows the validity of this study.
이행남,박길문,이덕구,정한별,김건일,설재림 朝鮮大學校 機械技術硏究所 2005 機械技術硏究 Vol.8 No.1
The sirocco fan is used to get low noise, and it has been applied to a lot of industry field like the heat engine, the fluid instrument power plant, the food industry, environment industry etc... because there are not problems even it is mixed with a any kind of liquid, gas, and solid. The flow characteristics in sirocco fan are investigated by PIV. The experiment using PIV measurement for Test section's flow characteristics acquired velocity distribution, Condition : when sirocco fan in automobile air controller maximum 1450RPM, and a revolution is a variation (l)950RPM, (2)l100RPM, (3) 1250RPM. The agreement a experiment shows the validity of this study and the results of this study would be useful to the engineers who design for the flow systems