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오박균(Park Kyoun Oh),임진남(Jin Nam Rhim) 한국태양에너지학회 1980 한국태양에너지학회 논문집 Vol.3 No.2
미국산 석탄을 스러리 수송하여 한국의 서해안(고저리)에 석탄가스 복합발전, 메탄올 및 간접합성가솔린(M-Gasoline) 병산제조 플랜트를 건설 했을때의 기술적, 경제적 타당성을 검토하였고 그 결과 다음과 같은 결론을 얻었다.<br/> ㅇ 기존 수송방법의 호주탄에 비해 미국산 스러리탄을 스러리 수송하는 경우 약 27-30% 정도 저렴하며, 경유에 의한 복합발전에 비해 석탄가스 복합발전이 보다 경제적이다.<br/> ㅇ 자동차 연료로서의 메탄올 및 합성가소린은 전체 유통시스템을 고려않고 공장도 가격 기준시 80년도 8월 석유가 인상으로 현재에도 경쟁력이 있으며,<br/> ㅇ 발전 및 열생성 연료로서의 메탄올은 80년대 중반에 들어서면 가격면에서 경유 및 중유와 경쟁력을 갖추게 된다는 결론을 얻었다.<br/> 이상의 결과를 토대로 전력 및 자동차산업에 끼치는 영향을 간략하게 분석 가능한 해결책을 제시하였다. A technical and economical feasibility study has been performed for constructing an integrated plants at Go Jung Ri utilizing u.s. western coal slurry as raw material.<br/> The integrated plants would consist of a coal gasification plant, combined cycle power plant, methanol and M-gasoline synthesis plant. The feasibility study has been performed and the following results were produced.<br/> ㅇ. Compared to the conventional Australian bulk coal supply system, u.s. coal utilizing slurry transportation system costs less by 27 to 30%. Coal slurry synthetic gas combined cycle power generation is much more economical than gas oil combined cycle.<br/> ㅇ. Since the last local petroleum price rises on August, 1980, methanol and M-gasoline became competitive as automobile fuel on the basis of plant site price, although additional capital costs are expected for the new distribution system.<br/> ㅇ. It is concluded that fuel grade methanol from the proposed system would become more economical compared to gas oil and fuel oil after 1986.<br/> On the basis of the results, the impact of the proposed system on the domestic utility and automotive industry have been discussed.
압출가공에 있어서 표면영향을 고려한 마찰수식모델에 관한 연구
오박균(Park-kyoun Oh),손남길(Nam-kil Son),김민웅(Min-woong Kim) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
??To carry out perfectly the forming analysis of the extruding products it is necessary that the friction boundary condition between dies and blanks should be worked out the accuate numerical friction models. But, the existing numerical models of the extrusion may be large different from the actual conditions. In this study, accurate analysis of the extrusion forming for surface roughness should be subjected. It is to develop accuracy of the numerical friction models and potentialize to apply for the high speed forming work in the extrusion. Therefore, the results should improve accuracy and cause energy saving for the extrusion and finally to expand the applying areas of the results.
오박균(Park-Kyoun Oh),박경우(Kyoungwoo Park),손남길(Nam-kil Son) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
To carry out perfectly the forming analysis of the ironing products, it is necessary that the friction boundary condition between dies and blanks should be established for the accuate numerical friction models. The numerical friction models adapted in the conventional plate forming software, however, is different from the actual ones. Especially, the existing software for forming can be used only in the limited range for the case of high speed forming work. Therefore, in this study, the numerical friction model which describes the friction boundary condition is developed in order to improve the accuracy of the plate forming analysis. And to expand the applying areas of the results.
노트북 PC용 히트파이프 냉각시스템의 성능에 관한 실험적 연구
吳博均(Park-Kyoun Oh),吳世珍(Se-Jin Oh) 호서대학교 공업기술연구소 2001 공업기술연구 논문집 Vol.20 No.1
The increasing power and particularly the CPU power, coupled with the continuous shrinking size of current notebook PC, have made the thermal management one of the critical factors in the notebook PC design. The heat pipe has become a widely used thermal management tool in the notebook PC industry. Approximately 60% of current notebooks utilize heat pipe in their thermal management solutions. This paper provides a RHE,s(Remote Heat Exchanger) maximum heat transfer rate and the thermal resistance of heat pipe thickness changes and also bending or non-bending types. So, the discussions about the thermal discharge performances of RHE in the range of 1.6 ~ 2.0mm heat pipe thickness are pursued.
오박균(Park-Kyoun Oh),장호영(Ho-young Jang),손호영(Ho-young Son) 호서대학교 공업기술연구소 2006 공업기술연구 논문집 Vol.25 No.1
To carry out perfectly the forming analysis of the ironing products, it is necessary that the friction boundary condition between dies and blanks should be established for the accuate numerical friction models. The numerical friction models adapted in the conventional plate forming software, however, is different from the actual ones. Especially, the existing software for forming can be used only in the limited range for the case of high speed forming work. Therefore, in this study, the numerical inction model which describes the friction boundary condition is developed in order to improve the accuracy of the plate forming analysis. And to expand the applying areas of the results.
오박균(Park-Kyoun Oh) 호서대학교 공업기술연구소 2002 공업기술연구 논문집 Vol.21 No.1
To carry out the analysis of the extruding products, it is necessary to get the optim um computation of extruding force for the extrusion. T he existing numerical models of the extrusion m ay be large different from the actual conditions. In this study, accurate theoretical analysis of the extrusion form ing and optim um extruding force should be subjected. It is to develop the numerical models w hich describes the optim um extrusion force. Therefore, the results should improve accuracy of extrusion form ing and cause the energy saving for the extrusion.