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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.
이덕구(Duck-Gu Lee),박지만(Ji-Man Park),설재림(Jael-Lim Sul),이행남(Heang-Nam Lee),박길문(Gil-Moon Park) 한국마린엔지니어링학회 2004 한국마린엔지니어링학회 학술대회 논문집 Vol.2004 No.-
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 a any kind of liquid. gas. and solid. The flow characteristics in ejector are investigated by PIV and CFO. The experiment using PIV measurement for mixing pipe's flow characteristics acquired velocity distribution. .Condition: when mi:xing pipe's diameter ratio is 1:1.9. and the flux is Q1 = 1.136 I/s. Q2 = 1.706 I/s. Q3 = 2.276 I/s. Based on the PIV and the CFD results, the flow characteristics in ejector are discussed. and it shows the validity of this study.
박지만(Ji-Man Park),이덕구(Duck-Gu Lee),이행남(Heang-Nam Lee) 한국마린엔지니어링학회 2003 한국마린엔지니어링학회 학술대회 논문집 Vol.2003 No.-
The ejector is generally used to get a low pressure and improve the flow efficiency. The flow characteristics in ejector are investigated by PIV and a numerical analysis to predict it has been performed by CFD. Physical properties are obtained for three different Reynolds numbers in experiment and numerical analysis. The research is tried to analysis not only compression vacuum engine, but also substitution for pump as fluid mechanics method about ejector's mixing duct fluid character depend on Reynolds number. The good agreement between numerical analysis and experiment shows the validity of this study.<br/> <br/>