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수중 환경에서 고분자 전해질 연료전지(PEMFC) 공급용 수소 생산을 위한 가압 디젤 개질시스템에 관한 연구
이광호,한광우,배중면,Lee, Kwangho,Han, Gwangwoo,Bae, Joongmyeon 한국군사과학기술학회 2017 한국군사과학기술학회지 Vol.20 No.4
Fuel cells have been spotlighted in the world for being highly efficient and environmentally friendly. A hydrogen which is the fuel of fuel cell can be obtained from a number of sources. Hydrogen source for operating the polymer electrolyte membrane fuel cell(PEMFC) in the current underwater environment, such as a submarine and unmanned underwater vehicles are currently from the metal hydride cylinder. However, metal hydride has many limitations for using hydrogen carrier, such as large volume, long charging time, limited storage capacity. To solve these problems, we suggest diesel reformer for hydrogen supply source. Diesel fuel has many advantages, such as high hydrogen storage density, easy to transport and also well-infra structure. However, conventional diesel reforming system for PEMFC requires a large volume and complex CO removal system for lowering the CO level to less than 10 ppm. In addition, because the preferential oxidation(PROX) reaction is the strong exothermic reaction, cooling load is required. By changing this PROX reactor to hydrogen separation membrane, the problem from PROX reactor can be solved. This is because hydrogen separation membranes are small and permeable to pure hydrogen. In this study, we conducted the pressurized diesel reforming and water-gas shift reaction experiment for the hydrogen separation membrane application. Then, the hydrogen permeation experiments were performed using a Pd alloy membrane for the reformate gas.
화합물 합성반응 중 Fridel - Crafts Acylation 공정에서의 폭주반응 위험성평가
이광호,김원성,전진우,주영종,박교식,Lee, Kwangho,Kim, Wonsung,Jun, Jinwoo,Joo, Youngjong,Park, Kyoshik 한국안전학회 2021 한국안전학회지 Vol.36 No.3
Heat is generated during the synthesis and mixing process of chemical compounds due to a change in activation energy during the reaction. A runaway reaction occurs when sufficient heat is not removed during the heat control process within a reactor, rapidly increasing the temperature, reaction speed, and rate of heat generation inside the reactor. A risk assessment was executed using an RC-1 (Reaction Calorimeter) during Friedel-Crafts acylation. Friedel-Crafts acylation runs the risk of rapid heat generation during Active Pharmaceutical Ingredient (API) manufacturing; it was used to confirm the risk of a runaway reaction at each synthesis stage and during the mixing process. This study used experimental data to develop a safety efficiency improvement plan to control the risks of runaway and other exothermic reactions, which was implemented at the production site of a chemical plant.
연구논문 : 한일기본조약을 “지저귀다” -트위터를 통해 본 일본사회의 담론규범의 변화
이광호 ( Kwangho Lee ) 국민대학교 일본학연구소 2015 일본공간 Vol.17 No.-
이 논문에서는 2008년 이후 일본에서도 주요 정보인프라의 하나로 성장해 온트위터(Twitter)상에서, 「한일기본조약」에 관한 어떠한 내용의 투고가 어떠한 이용자들에 의해 이루어지고 있는가를 분석했다. 일본사회 내에서는 익명성이 높은 게시판을 중심으로 이른바 ‘혐한담론’이 지속적으로 생산, 유통되어 왔는데, 트위터와 같이 경우에 따라서는 덜 익명적일 수 있는 미디어에서 과연 한국에 대해 어떠한 담론이 전개되고 있는지, 그리고 그러한 담론의 전개가 보수정권의 회귀라는 정치적 흐름 속에서 어떠한 특징을 보이고 있는지를 살펴보고자 한 것이다. 분석결과, 자민당이 실질적으로 지지를 얻기 시작한 2012년부터 한일기본조약에 관한 투고가 급증하고 있었다는 점, 거의 대부분의 투고가 자민당정권이 나 우익단체의 주장과 궤를 같이하는 ‘혐한’적인 내용이었다는 점, 그리고 투고자의 대부분이 스스로의 정치적 정체성을 국가주의나 우익으로 표명하고 있었다는 점 등이 밝혀졌다. 이러한 경향은 최근 일본사회 내에서 일어나고 있는 담론규범의 변화를 시사하는 현상임과 동시에 그러한 변화를 더욱 진전시키는 요인이 될것으로 보인다. This study analyzed tweets on ‘the Treaty on Basic Relations between Japan and Korea’ posted on the Twitter in Japan in terms of the specific assertions made and characteristics of users who posted them. In Japan, anti-Korea discourses have been continuously produced and distributed mainly on anonymous Internet discussion sites. This study has an interest in examining how ‘Korea’ has been discussed on the Twitter which is considered as a less anonymous media under certain conditions, with a special focus on the possible relations with the change of political environment in Japan resulted from ‘the return of conservative regime.’ Major findings are 1) that a rapid increase of the Treaty related tweets was observed since 2012 when Abe Shinzo’s party started to get wide public supports, 2) that most of the tweets made largely same assertions as the Japanese government and/or right-wing groups have raised, and 3) that majority of the users who posted those tweets identified themselves with nationalists, the right-leaned, or conservatives. These findings suggest that a change in discourse norms is currently occurring in Japanese society and the change might be advanced further for right wings to easily voice in the near future.
이광호 ( Kwangho Lee ),강성률 ( Sunglyul Kang ) 사단법인 아시아문화학술원 2021 인문사회 21 Vol.12 No.4
본 연구는 장애인표준사업장에서 근무하는 발달장애 근로자가 직업에서 성공하고 안정적으로 직업을 유지하기 위한 관련 요인들을 밝히는 데 목적이 있다. 연구결과, 먼저, 발달장애 근로자의 기초능력은 사회적-대인관계 기술, 직업성공에 유의한 정(+)적 영향이, 매개변수인 장애인에 대한 태도와 사회적-대인관계 기술은 종속변수인 발달장애 근로자의 직업성공에 유의한 정(+)적 영향을 미치는 것으로 나타났다. 이러한 연구결과는 발달장애 근로자의 직업성공에 대한 실증적 근거와 개입전략을 제시하였으며, 발달장애 근로자의 직업성공을 위한 교육 프로그램 개발과 서비스에 대해 유용한 정보를 제공해 줄 수 있을 것으로 기대된다. The purpose of this study is to reveal the relevant factors for the developmentally disabled workers working in standard workplaces for the disabled to be successful in their job and to maintain a stable job. As a result of the study, first, the basic ability of workers with developmental disabilities had a significant positive effect on social-interpersonal relationship skills and job success, and the parameters of attitude toward people with disabilities and social-interpersonal relationship skills were the dependent variables, developmental disability. It was found to have a significant positive (+) effect on the job success of workers. The results of this study presented empirical evidence and intervention strategies for the vocational success of workers with developmental disabilities, and are expected to provide useful information on the development of educational programs and services for the vocational success of workers with developmental disabilities.
후륜 리지드 5링크 서스펜션을 개선한 6링크 시스템의 연구
이광호(Kwangho Lee),이기연(Ghiyoun Lee) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The rigid 5link rear suspension system is cheap, economical rear suspension system and very popular. But it has a problem, in case of the wheel bump and rebound, the lateral displacement can occur. This is bad for suspension design and vehicle handling characteristics. In this article new 6link system is introduced to reduce the lateral displacement. Assist lateral link is used to reduce the lateral displacement in 5 link system. The lateral compliance geometry change is shown by ADAMS kinematic compliance analysis and using the NASTRAN transient vibration analysis the lateral response of rear suspension can be seen.
체육철학 : 골퍼의 신체의식 변화과정에 대한 현장체험 연구
이광호(KwangHo-Lee),윤여탁(YeotakYoon) 한국체육학회 2003 한국체육학회지 Vol.42 No.6
The purpose of this study was to explore and understand the golfer’s alterative processing of body consciousness on golf training in which golfers would experience the variable consciousness and belief etc.The study of human consciousness demands of qualitative research paradigm because human consciousness is not countable as well as emphatic on the process of interpretation and reinterpretation constantly from the perspective of researcher. So this research used the qualitative methodology which revealed golfer’s inner conscious in life of golf training. For this study, 5 amateur-golfers being professional golfer were selected as the research participants. Data collection included mainly participation observation and in-depth interview about 2-years.The results of this study are as follows :The flows of golfer’s consciousness in the process of golf training were the consciousness of imitation, creativity, the identification of body, the formation of self-confidence, transcendence, lived self-space, and de-tenacity.In conclusion, golfer experienced alterative consciousness that is processing of interpretation and comes true constantly. Specially, the various consciousness world is created by golfer’s awareness of moving and meaning of their peculiar experience world. Also, they made no doubt of these experiences of knowledge.