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李沅埈(Wonjune Lee) 중국근현대사학회 2015 중국근현대사연구 Vol.67 No.-
Since the later half of the Chinese civil war period(1945-1949), the CCP had prepared for the establishment of a new country by developing new policies, and city takeover policy was one of them. Nevertheless, their plans for the establishment of urban administrative structure were quite vague and undetermined at the time of their Beijing takeover. Under this circumstance, the CCP had adopted a three-layered administrative structure(市-?-街), which they had been applying to in the rural base-areas, in most of the cities under their control. But as the experience of city takeover had accumulated, the problems of the three-layered administrative structure had emerged, and the CCP reformed the structure into a one-layered administrative structure(市) in June 1949, in the purpose of enhancing the central control of the city government. But again, this new system created unpredicted problems that weakened the central control of the city government, and the CCP had finally established a ‘two-layered government(市-?) plus subdistrict office(街道辦事處) and residents committee(居民委員會)’ model at Beijing in June 1953. Although this system could not have been perfect, it could be said that it was the most effective way that the CCP had found out after trials and errors for forcing centralized control in urban societies. Centralization of power and institutionalization of rule were the key policies that the CCP had adopted in preparing for the foundation of a new state, and the above mentioned trials and errors of city governance were one of the experiments that were made to fulfill that cause.
포집 이산화탄소의 육상 수송조건 내 관 내측 열전달 특성
이원준(Wonjun Lee),윤린(Rin Yun) 대한설비공학회 2017 대한설비공학회 학술발표대회논문집 Vol.2017 No.6
This study aimed to investigate heat transfer coefficient of carbon dioxide with impurity under land transporting conditions. An experimental test setup was built, and was mainly composed by a test section, condensation section, and heating section. The test section is a circular cooper tube with 1/2¨ inner diameter and 4m length, which is buried in the surrounding soil. T-type thermocouples were attached on test section by soldering. The maximum in-tube heat transfer coefficient of pure CO2 decreased with increasing pressure at a mass flux of 200 kg/(m<SUP>2</SUP> s) and soil temperature of 12 ℃. The Gnielinski correlation predicts the experimental data relatively well in the CO2+N2 mixture, whereas at near-critical point it underestimates the data.
국공내전 후반기 중국공산당의 華北 중심 건국 방침과 定都문제의 향방
李沅埈(Wonjune Lee) 중국근현대사학회 2015 중국근현대사연구 Vol.65 No.-
This paper focuses on the process of which the CCP had decided to make Beijing their new capital. Due to the difficulties in acquiring archival materials on this matter, this article analyzes the CCP’s ‘North China-centered’ state establishment plan which was put into practice after March of 1948. Since then, the CCP set about unifying their North China base areas, and made the ‘North China Liberated Area’ and its’ ‘North China People’s Government’ the center of nation wide base areas. The establishment of the North China Liberated Area was the signal of the national base area unification process, and the North China People’s Government became the focus of the party’s new policies on the centralization of power, institutionalization, regularization which were promoted to prepare for the forthcoming state building. The fundamental object of the unification of the North China base areas in the mid 1948 was to realize the CCP’s North China-centered state establishment plan, and therefore it was a matter-of-course that the CCP had declared their plan of state establishment in September of 1948 when the North China Liberated Area unification process was successfully completed. Just at that moment, the CCP began to mention Beijing as another option for the site of the New People’s Consultative Conference. Mao Zedong wanted to open the conference at Beijing as far as the battlefront situation was allowed, and from the end of October 1948 he clearly pointed Beijing out as the site of the conference. In early 1949, PLA’s chief commanders and takeover cadres of Beijing were informed that the high authorities of the party had decided Beijing as their new capital, and this decision was officialized in March 1949. This paper concludes that the CCP’s North China-centered state establishment plan was materialized by the unification of the North China Liberated Area and this had formed the base on which the Communists had realized their plan to make Beijing as their new capital. Their are other diverse factors that are considered in deciding capitals, but the importance of the fact that capital cities should be located on the power base area of ‘the ruling force’ counts the most.
이원준(Wonjune Lee) 동양사학회 2015 東洋史學硏究 Vol.131 No.-
When the World War Ⅱ had ended, the ethnic Korean socialists who had been working in the Yanbian(延邊) area began to search for a new political order by organizing the Korean masses of Yanbian in their own way. But it was not long before the CCP had intervened and put a stop to this effort. The Han nationality party leaders who had moved in to this area from Yanan(延安) had took control of the upper level party organization of Yanbian by the end of 1945. After dominating the upper level party organization and restricting the power of the Korean socialists of Yanbian, the CCP had moved on to the next stage of infiltrating their power of control to the local society of the Yanbian area. To this end, the CCP in Yanbian had set about their land redistribution campaign, similar to the process widely in activation in the CCP’s rural base areas. In the process of the campaign, the CCP in Yanbian had succeeded in mobilizing the masses and organizing the grass root party organization in the local society of Yanbian. Due to the CCP’s strengthened power of control over the Yanbian society made possible by the land redistribution campaign, the CCP was able to establish the people’s government’s lower level administration system, which enhanced the institutionalization process of Yanbian’s rural base areas. Owing to the success of the land redistribution campaign and the establishment of the administration system in Yanbian area, it was possible for the CCP to get a firm grip of power over the Korean masses in Yanbian, which in time brought about a more clearly defined policy of the local status of the Korean people in Yanbian. They were evidently prescribed as an ethnic minority of China, and they had to become a legal citizen of the people’s government in order to fully secure their gains of the land redistribution and participate in the administration system of Yanbian. Though they were defined as an ‘ethnic minority which has a homeland’, it was evident that their sense of homeland would change in time as the CCP’s nation building effort would get on track.
Diesel Surrogate 상세 반응 기구를 이용한 HCCI 엔진의 연소 특성에 관한 수치해석 연구
이원준(Wonjun Lee),이승로(Seungro Lee),이창언(Chang-Eon Lee) 한국연소학회 2011 한국연소학회지 Vol.16 No.2
Homogeneous charge compression ignition(HCCI) is the best concept able to provide low NOx and PM in diesel engine emissions. This new alternative combustion process is mainly controlled by chemical kinetics in comparison with the conventional combustion in internal combustion engine. In this paper, combustion characteristics of HCCI engine with suggested diesel surrogate(heptane/toluene mixture fuel) reaction mechanism were numerically investigated by heptane/toluene mixture ratio and EGR ratio. As results, the ignition timing became faster with increasing of heptane, and an initial oxidation and the ignition timing of the mixture fuel were affected by heptane and toluene, respectively.
EGR 가스의 성층화 조건에 따른 HCCI엔진의 연소 특성
이원준(Wonjun Lee),이승로(Seungro Lee),이창언(Chang-Eon Lee) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
Homogeneous charge compression ignition(HCCI) is the best concept able to provide low NOx and PM in diesel engine emissions. This new alternative combustion process is mainly controlled by chemical kinetics in comparison with the conventional combustion in internal combustion engine. However HCCI engine’s operation have an excessive rate of pressure rise during combustion. So the purpose of this study solve this problem with EGR gas’s concentration stratification and thermal stratification for reducing the pressure rise in HCCI engine combustion. And we study characteristics of combustion and emissions gas. The reaction mechanism using a this research is diesel surrogate which is composed of heptane/toluene blend fuel.