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IS 프로세스의 HI 분해반응공정을 위한 전해 - 전기투석(EED) HI 농축
홍성대,김정근,이상호,최상일,배기광,황갑진,Hong, Seong-Dae,Kim, Jeong-Geun,Lee, Sang-Ho,Choi, Sang-Il,Bae, Ki-Kwang,Hwang, Gab-Jin 한국수소및신에너지학회 2006 한국수소 및 신에너지학회논문집 Vol.17 No.2
An experimental study on Electro-electrodialysis (EED) for IS (Iodine-Sulfur) process which is well known as hydrogen production system was carried out for the HI concentration from HIx (HI: $H_2O$ : $I_2$ = 1 : 5 : 1) solution. The polymer electrolyte membrane and the activated carbon cloth were adopted as a cation exchange membrane and electrode, respectively. In order to evaluate the temperature effect about HI concentration in fixed molar ratio, three case of temperature were selected to $60^{\circ}C$, $90^{\circ}C$ and $120^{\circ}C$. The electro-osmosis coefficient and transport number of proton have been changed from 1.95 to 1.21 (mol/Faraday) and 0.91 to 0.76, respectively as temperature increase from $60^{\circ}C$ to $120^{\circ}C$. It can be realized that the HI mole fraction in final stage of EED experiments already over the quasi-azeotrope composition.
동적 실물영상투사 카멜레온(다변) 멀티 서피스 콘텐츠 연구
홍성대(Sung-Dae Hong) 한국디지털콘텐츠학회 2017 한국디지털콘텐츠학회논문지 Vol.18 No.1
The physical display technology is the ultimate display technology that human beings aspire, and the world makes use of laser, plasma and reflector plate. Besides, technology development of binocular stereoscopic display has been actively progressed, but there is a limitation to the intact physical representation such as influence of optical ambient light and brightness. In this paper, the display technology using physical deformation different from the existing optical display is approached as a cultural and emotional perspective. The purpose of this paper is to develop the multivariate display technology that can create 3D realistic stereoscopic images through projecting dynamic images on physically diversified screen by overcoming the limitations of 2D planar digital signage and study how to apply them to video, exhibition and performance.