http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
용기중,이광범,권해붕,Yong, Gee Joong,Lee, Kwang Bum,Kwon, Hae Boung 한국자동차안전학회 2014 자동차안전학회지 Vol.6 No.2
In the ongoing debates over the need to identify new sources of energy and to reduce the emissions of greenhouse gases. Hydrogen has emerged as one of the most promising alternatives due to its emissions from the vehicle being virtually zero. The governments have identified the development of regulations and standards as one of the key requirements for commercialization of hydrogen-fueled vehicles. Regulations and standards will helpful in overcoming technological barriers to commercialization. Developments of a technique for safety assessment of Hydrogen Fuel Cell Vehicle(HFCV) includes four tasks, research for regulation system and policy, hydrogen safety, vehicle operation safety and protection against high-voltage. The objective is to establish a technique for safety assessment and amend safety standards for HFCV and consequently reflect research results to vehicle management policy. We devised safety standards and evaluation techniques with regard to high-pressure gas and high voltage of hydrogen fuel cell vehicle. Korean Motor Vehicle Safety Standards(KMVSS) for HFCV was amended to June 10, 2014. including the results of the safety assessment technology for high-voltage and hydrogen characteristics.
[디젤엔진부문] 플라즈미 반응기구조에 따른 코로나방전 및 NO₂전환 특성에 관한 연구
박용성(Yong-Seong Park),용기중(Gee-Joong Yong),엄성복(Seong-Bok Um),전광민(Kwang-Min Chun),이형상(Hyeong-Sang Lee) 한국자동차공학회 2001 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2001 No.11_1
The discharge started at lower voltage for the cathode corona than the anode corona. In contract Spark occurred higher voltage for the cathode corona. The anode corona showed higher NO to NO₂ conversion rate. The cone-hole type showed more stable discharge than the cone-plate type. As O₂ concentration increases, the NO to NO₂ conversion increases. It can be seen that the onset of combustion occurs at approximately 280℃ when using NO₂, while temperatures of around 480℃ are required to combust soot using 0₂
$SO_x^-$ 노점 측정에 관한 연구 (연탄 온수보일러의 부식문제에 관하여)
채재우,용기중,Chae Jae-Ou,Yong Gee-Joong 대한설비공학회 1983 설비저널 Vol.12 No.4
In the briquet-burning hot water boiler the $SO_x$-dew point is calculated and found to be between $130^{\circ}C\;and\;154^{\circ}C$. The corrosion rate depends on the surface temperature and the concentration of the condensate on the surface. The concentration of the condensate is decided acoording to the difference detween $SO_x$-dew point and the surface temperature. When the surface temperature is $80^[\circ}C$, the concentration of the condensate is also high (0.15N). Therefore the high concentration and high temperature promote the high corrosion rate of $14{\times}13^{-3}g/100cm^2{\cdot}hr$ on the SS41 material. On the other hand, when the surface temperatures are $60^{\circ}C\;and\;40^{\circ}C$, the concentrations and the co..sion rates are reduced dramatically to $0.11\;N,\;8.6{\tiems}10^{-3}g/100cm^2{\cdot}hr$ and $5{\tiems}10^{-4}g/100cm^2{\cdot}hr$ respectively.
신재호,용기중,Shin, Jaeho,Yong, Gee Joong 한국자동차안전학회 2014 자동차안전학회지 Vol.6 No.2
The number of vehicle accidents related to the side impact has increased since 1990 in Korea, thus the side impact test has been performed as one of the major vehicle evaluations of the Korean New Car Assessment Program(KNCAP) in 2003. A total of 77 vehicles of eight different types(compact, small, semi-midsize, midsize, and large sedans and small, midsize, and large sports utility vehicles) were tested in side impact and side pole impact conditions. In this study, the head and thorax injury values(HICs and chest deflections) of the side impact tests performed between 2003 and 2013 were investigated in terms of vehicle type, test year, and test condition. The recent vehicles showed better safety performances(lower injury values) and similar injury patterns were obtained between side impact and pole side impact tests.
[論文] 代替燃料로서 가솔린-메타놀 混合燃料에 依한 가솔린機關性能과 排出汚染物에 關한 硏究
김희철(Kim Hi Chul),용기중(Yong Gee Joong) 한국자동차공학회 1981 오토저널 Vol.3 No.2
The purpose of this paper is to study the possibility of practical Use of gasoline-methanol mixed fuel as an alternative fuel of gasoline engines jn the light of engine performances and harmful exhaust emissions as well as mixings and separations of the mixed fuels.<br/> When the methanol of 99.8% purity is mixed with super or regular gasoline available on the market today, the experimental results obtained without modifying carburetor in this study are as follows;<br/> 1. The separation ratio depends upon the gasoline-methanol mixing ratio only, regardless of fuel temperature and fuel additives for preventing separation of phase.<br/> 2. The critical absorption ratio is affected by the gsoline-methanol mixing ratio, its temperature and the quantity of fuel additives.<br/> 3. Concerning the distillation temperature, the initial point of all sorts of fuels is almost same, but 10% point and 35-60% point of mixed fuels are lower than those of gasoline only.<br/> 4. In case of throttle valve opening set, engine output using the mixed fuels is decreased compared to gasoline, but thermal efficiency is increased as a consequence of decreasing speci-<br/> fie energy consumption.<br/> 5. In case of fixed load test, thermal efficiency is increased at low engine speed even under low part-load as well as under comparatively high part-load including full load.<br/> 6, CO and NOx emissions are reduced remarkably with the mixed fuels.
임종순(Lim, Jong-Soon),최영태(Choi, Young-Tae),용기중(Yong, Gee-Joong),권해붕(Kwon, Hae-Boung),이현우(Lee, Hyun-Woo),맹정열(Maeng, Jeong-Yoel) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.06
Fuel consumption measurement of Hydrogen fuel cell vehicle is considerably different form internal combustion engine vehicle such as carbon balance method. A practical method of fuel Consumption measurement has been developed for Hydrogen fuel cell vehicles. There are three method of hydrogen fuel consumption testing, gravimetric, PVT(Pressure, Volume and temperature), and Coriolis mass flow, all of which necessitate physical measurements of the fuel supply. The purpose of this research is to measure the fuel consumption of hydrogen fuel cell vehicles on chassis-dynamometer and to give information when the research is intended to develop method to measure hydrogen fuel consumption.
MOSFET를 이용한 직류 차단 시스템 설계 및 특성 평가
최강월(Jiangyue Cui),김윤형(Yoon-Hyoung Kim),이세현(Sei-Hyun Lee),용기중(Gee-Joong Yong),한상옥(Sang-Ok Han) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.11
직류 비접지 시스템에서의 누설전류검출과 차단기의 차단속도에 의한 응답속도의 문제가 있어, 비접지 상황에서 인체 감전 전 안전차단은 어려운 실정 이다. fuse 또는 MCCB(molded case circuit breaker)와 같은 고전압 직류 회로에서 사용 중인 보호 장치는 차단시간이 길고 안전성도 높지 않은 단점이 있다. 본 논문에서는 DC 300 V, 5~10 A 수준의 소용량 직류회로에서의 사용 할 수 있는 고속 차단 특성을 갖는 직류 누전 검출 및 차단 시스템을 설계하고 그 특성을 평가하였다. 이 차단 시스템은 고속차단을 위하여 반도체 소자인 MOSFET를 사용 하였다. 이를 위해 직류 회로에 대한 누전 모의 회로를 설계하였고, 설계한 회로를 전산 해석하여 그 특성을 모의하였다. 또한 시험용 회로를 제작하여 차단 특성을 평가하였다.