http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이온교환막 연료전지용 막 가습기의 운전 조건에 따른 성능 실험
배호준(Bae, Ho-June),김용모(Kim, Yong-Mo),이영덕(Lee, Young-Duk),유상석(Yu, Sang-Seok) 한국신재생에너지학회 2008 한국신재생에너지학회 학술대회논문집 Vol.2008 No.10
The efficiency and life time of the proton exchange membrane (PEM) fuel cell system is critically changed with its humidity which should be maintained properly during dynamic operation. Membrane humidifier is required to regulate proper humidity level for the design point of the PEMFC system. In this study, we presented the performance of the cylindrical membrane humidifier which is operated as water-to-gas. Dry air pressure, liquid water flow temperature, and air flow rate were chosen as the operating parameters. Humidity level is expressed with dew point.
Energy Star 기준에 따른 Omnidirectional LED 벌브의 전기적 광학적 특성 분석
김유신,배호준,김기훈,김현식,송상빈,Kim, Yu-Sin,Bae, Ho-June,Kim, Gi-Hoon,Kim, Hyun-Sik,Song, Sang-Bin 한국전기전자재료학회 2012 전기전자재료학회논문지 Vol.25 No.9
An LED (light emitting diode) has the advantages of lower power consumption, energy saving, high efficiency, long lifetime, and environmental friendliness so that it has been getting the spotlight as a next-generation light source. Thus, the application range of an LED has been extended to various fields including indoor and outdoor lighting. Recently, the high efficient LED lighting has been developed, an LED has been extended its market rapidly every year and is expected to replace the general light source within near future. In this study were measured electrical and optical properties for 6 types of LED bulbs which are being developed to replace the general incandescent lamps, and were analysed under the standard of the omnidirectional lamp required by the Energy Star.