http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
다점연료분사방식을 위한 연료조기증발용 PTC Heater에 관한 연구
김준수(Joonsoo Kim),김홍수(Hongsoo Kim),박주석(Jooseok Park),유윤종(Yoonjong Yoo),김시경(Sikyoung Kim),안영수(Youngsoo Ahn) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_3
We studied the acquistion of basic data through the purchase of the Early Fuel Evaporator PTC Heater by Texas Instrument in order to manufacture teclmology of PTC Heater for Early Fuel Evaporator in multi point injection system. In order to do this, we investigated to the outward shape of the PTC Heater for Early Fuel Evaporation in multi point injection and then to the size, electrical properties, microstructural characterstics, chemical analysis for the PTC Heater element which was pulled out from PTC Heater for Early Fuel Evaporation.
다점분사방식 연료조기증발용 PTC Heater 제조에 관한 연구
김준수(Joonsoo Kim),김홍수(Hongsoo Kim),박주석(Jooseok Park),유윤종(Yoonjong Yoo),김시경(Sikyoung Kim),안영수(Youngsoo Ahn) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_3
The purpose of this study is to develop the PTC Heater element for early fuel evaporator in Multi point injection system in order to reduce the harmful exhaust gas at the cold start stage. In order to do this, we fabricated three type of PTC Heater element, the Curie temperature of which were 80℃, l20℃, 180℃ and then checked the electrical property. The resistances of the three type of PTC Heater element, the Curie temperature of which were 80℃, 120℃, 18 0℃ were 3.12Ω, 10.7Ω, 3.85Ω and their resistance increase ratio were 4.07 order, 4.23 order, 4.43 order, respectively.
연료분사장치를 이용한 PTC Heater 성능실험에 관한 연구
김준수(Joonsoo Kim),김홍수(Hongsoo Kim),박주석(Jooseok Park),유윤종(Yoonjong Yoo),김시경(Sikyoung Kim),안영수(Youngsoo Ahn) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_3
The purpose of this study is to evaluation the fuel evaporntion by the injection of the fuel to the high tempernture surface heated of PTC Heater for early fuel evaporntion at the cold start stage in gasoline engine. In order to do this, we checked electrical control injection system and then made the experimental equipment so that tested the performance of PTC Heater. The injection angle for MPIS was 24˚and the avernge droplet diameter was 300㎛. The heater will be installed 70mm below the injector, so that the area of the heated zone should be wider than that of a circle with 30mm diameter. During the heating experiments of the injected fuel, the best condition for efficient evaporntion was drawn, that is, Curie temperature of 180˚C and the impinging angle of 90˚.
고분자 유기 EL 제조를 위한 멀티헤드형 잉크젯 패터닝 시스템
오제훈(Jehoon Oh),김시경(Sikyoung Kim),윤희열(Heeyoul Yoon),오세일(Seil Oh),강유명(Yoomyung Kang),김광일(Kwangil Kim) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
According to the increase of lifetime and efficiency, the interest in the pLED has dramatically increased<br/> recently because pLED can be applied to large-size and flexible displays. The core process in the manufacture<br/> of pLED is the printing process of red, green and blue light emitting polymers (LEP), and inkjet printing<br/> method is one of the promising technology to print red, green and blue LEP on glass substrates. In this work,<br/> we developed a multi-head inkjet patterning system with 3 heads for each color. The developed inkjet<br/> patterning system is composed of the precise positioning system, head controller circuit, real-time ink drop<br/> evaluation system, maintenance system, and stable ink supply system. Finally, we investigated the stability<br/> and reliability of the system by printing red, green and blue LEP on the dummy substrate.