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최재용(Jaeyong Choi),이우현(Woohyun Lee),손현철(HyunChul Sohn),김재산(JaeSan Kim),김정훈(Junghun Kim) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
The performance of the Active engine mount system to reduce the vibration from engine depends on the decoupler which acts along with actuator to switch the air pressure. The decoupler work on the change of air pressure into air chamber of engine mount and can control the vibration from engine. This paper contains the property of decouple of the pneumatic active engine mounting system and confirm the performance of this characteristic test.
잉크 전도도에 따른 정전기장 유도 잉크젯 헤드의 토출 특성 연구
최재용(Jaeyong Choi),김용재(Yong-Jae Kim),손상욱(Sang Uk Son),안기철(Ki Chul An),이수홍(Soo Hong Lee),이석한(Sukhan Lee),고한서(Han Seo Ko),변도영(Doyoung Byun) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
Printing technology is a very useful method in the several process of industrial fabrication due to non-contact and fast pattern generation. To make inkjet printing system, we focused on the electrohydrodynamic(EHD) theory which may be the type of electrostatic induced actuator based on the direct manipulation of liquid by an electric field. EHD jet method has approximately 10 jetting modes that one of these, micro dipping mode, has a good characteristic to make inkjet printing system. However, we experiment with different conductivity of ink which did not show a micro dripping mode. Micro dripping mode appears only in the specific conductivity region, and other areas that were sometimes the other jetting modes. Therefore, this paper presents the investigation of the ink property for micro dripping mode using electrostatic induced inkjet printing system.
중국 인터넷 무협 담론에 대한 비판적 고찰 : 반례로서의 한국 인터넷 무협
최재용(Choi, Jaeyong) 한국중국문화학회 2022 中國學論叢 Vol.- No.73
In this paper, I discussed some important themes among the recent discourses related to internet knight-errant stories in China, and put Korean internet knight-errant stories into the context of these discourses, finally pointing out the commonalities and differences. The study of knight-errant stories in China has been quite active and has achieved considerable results. However, it is worrisome that many researches are under direct influence of external political force. Korean internet knight-errant stories are similar to those of China in many aspects, but looking at the aspects of some internet stories that have become very popular in Korea recently, it can be seen that meta-narratives about genre novels are being produced. Korean internet knight-errant stories are not converging toward chivalry(xiayi) and Chinese-ness , but are practices of free traversing through a huge database of internet stories.
전도성 잉크의 제팅 비교 및 조건 연구를 통한 pulsed jet 토출 특성을 갖는 정전기장 유도 EHD 잉크젯 헤드 시스템
최재용(Jaeyong Choi),김용재(Yong Jae Kim),손상욱(Sang-Uk Son),안기철(Ki-Chul An),고한서(Hanseo Ko),이석한(Sukhan Lee) 한국가시화정보학회 2010 한국가시화정보학회 학술발표대회 논문집 Vol.2010 No.11
The electrostatic field induced EHD (electro-hydro-dynamic) inkjet printing technology which is based on EHD jet theory is very attractive process for replacing conventional inkjet printing technology. A microdripping mode and pulsed-jet mode are the best characteristic ejection mode for drop-on-demand jetting and high resolution in electrostatic field induced EHD inkjet head system. The electrical conductivity of ink is very important factor to show pulsed-jet mode. Many conductive inks are bad ejection characteristics, but some inks which has specific electrical conductivity region has good ejection characteristics. The electrostatic field induced EHD inkjet head system with pulsed-jet ejection will be good industrial inkjet printing system by manufacturing the conductive ink which has in specific electrical conductivity region.