http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
수직원관내 에어제트 노즐을 사용하는 에어리프팅에 관한 실험적 연구
조남철(Cho Nam-Cheol),임광빈(Yim Kwang-Bin),김동춘(Kim Dong-Choon),김영중(Kim Young-Joong),이채문(Lee Chae-Moon),김종제(Kim Jong-Je) 한국태양에너지학회 2007 한국태양에너지학회 학술대회논문집 Vol.- No.-
Airlift pumps have some problems and limited applications as pumps for liquid transfer because of low energy efficiency, compared with the centrifugal pump. However, An advantage of airlift pump is in its geometrical simplicity, not having any moving part, so is suitable in lifting fluid including heavy metal and grit. In order to higher lifting head and provide airlifting data, air jet nozzle was used. We have performed experimentally according to various characteristics of pump as change of submerged depth, height of liquid-air mixture in the pipe(total head) and air flow. This paper is verified through experiments that airlift pump shows lifting ability for 3m(Sc=0.3) in comparison with conventional height, 2m(Sc=0.4).
STS 엠보싱 패널을 사용하는 저수조의 응력해석 및 보강설계
조남철 ( Nam-cheol Cho ),임광빈 ( Kwang-bin Yim ) 한국고등직업교육학회 2005 한국고등직업교육학회논문집 Vol.6 No.2
In this paper, the design procedure of a STS water tank with embossing panel is described. The new shape of the stainless steel panel aiming at minimal using of the support members was proposed. In order to evaluate the structural safety of the proposed design, stress analysis to the proposed panel design was conducted. The STS water tank adopting the proposed panel design was also numerically modeled and its structural safety was discussed. The design of the STS water tank obtained through the preceding analysis was simulated to obtain the reinforcement design.
기-액 상변화 열전달식 고온 히터 플레이트의 작동 특성과 성능에 관한 연구
강환국(Hwan-Kook Kang),임광빈(Kwang-Bin Yim) 한국표면공학회 2013 한국표면공학회지 Vol.46 No.6
The experimental study for the temperature uniformity on the wafer using liquid-vapor phase heat transfer mechanism is performed. For the experiment, the heater plate which is consist of stainless steel container, working fluid and electrical heater is designed, manufactured and tested at the range of 600 to 850℃. The results showed that the phase change type heater plate was much more uniform and stable temperature on the heater plate surface and wafer than the uniform heat flux type heater plate at the atmospheric condition. Also, the results of 300 mm outer diameter of heater plate showed that the same temperature uniformity compared with 230mm.
전력변환반도체 냉각용 수냉각장치의 작동특성에 관한 연구
유성열(Ryoo Seong-Ryoul),김성대(Kim Sung-Dae),임광빈(Yim Kwang-Bin),김철주(Kim Chul-Ju) 한국철도학회 2009 한국철도학회 세미나자료 Vol.2009 No.5
The cooling technology of power conversion semiconductors in the propulsion system for the HEMU(High Electrical Multi Unit) are applied in water cooling method and phase change method such as the immersed type and the heat pipe type. This research designs and manufactures the water cooling system that could cool about heat load Q=2㎾ and performance tests to apply it by an electric power conversion semiconductors(IGBT) cooling technology. Experimental condition made change of a flow rate, an air velocity and a heat load to confirm operation characteristics of water cooling device, and when is heat load 2㎾, air velocity 20 m/s, and water flow rate 7㎏/s, it is about 80℃ to temperature of cooling plate.
동력분산형 고속전철의 추진시스템용 냉각장치의 설계 연구
유성열(Ryoo Seong-Ryoul),김성대(Kim Sung-Dae),기재형(Ki Jae-Hyung),임광빈(Yim Kwang-Bin),김철주(Kim Chul-Ju) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
Present, the cooling method of using a phase-change heat transfer such as immersed type, heat pipe etc is applied in cooling of high-capacity power semiconductors of the main power system for the high speed train with the concentrated traction. In order to apply these phase-change cooling system to the high speed EMU to be developed, needed are technological researches of consideration of installing space, air passage, light weight material and miniaturization. Although this research establishes design specifications through theoretical analysis and computational analysis from the basic design process of the cooling system of the propulsion system for the high-speed EMU, when details design is completed, present improvement subject and optimum design before manufacturing the prototype of the cooling system on the basis of analysis results. And then, carried out will be the performance tests through prototype manufacture and reliability estimation by components of cooling system.
동력분산형 고속전철의 추진시스템용 냉각장치 설계 및 시제품 제작 연구
유성열(Ryoo Seong-Ryoul),김성대(Kim Sung-Dae),기재형(Ki Jae-Hyung),임광빈(Yim Kwang-Bin),김철주(Kim Chul-Ju) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
The objective of the present study is to develope a propultion unit cooling system for the next-generation High-speed EMU. The propulsion power control unit consists of some IGBT semiconductors. In general, those power semiconductors are very sensitive to temperatures and need a cooling system to keep them at a proper operational conditions in the range of 50~100℃. In this first year of study, we tried to focuss on the understanding of fundamental technologies for each of the two different cooling systems and collecting basic data for design and manufacturing for both cases. For the water cooling system, a heat sink with multi channels of liquid flow was considered and a model unit was designed and performance test was conducted. For the heat pipe cooling system, a Loop Heat Pipe(LHP) was considered as an element to transport heat from IGBT to environment air flow and a model unit was designed and performance test was conducted. The analysis using SINDA/FLUINT showed that those design parameters are good enough for the LHP to properly operate under a heat load up to around 360W.
원형 열 파이프의 제작 및 열전달 성능에 대한 실험적 연구
임광빈,김철주 成均館大學校 科學技術硏究所 1989 論文集 Vol.40 No.2
In this study, boat pipe was manufactured using highly vacuum device and paying attention to manufacturing process-cleansing of parts, degassing in working fluid, soldering tinder condition of dry nitrogen gas. The objective of this study is to investigate fitness about manufacturing process through performance experiments which confirm a heat transfer characteristics of heat pipe. The results obtained from experiments were as follows. 1) Axial temperature distribution. 2) Highly thermal effective conductance. 3) Gravity force effect. This results showed that the manufacturing process used in this study was satisfied sufficiently general manufacturing of heat pipe.