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최봉준 ( Choi¸ Bong-jun ) 한국사상사학회 2021 韓國思想史學 Vol.- No.67
이 글에서 필자는 고대국가 성립기에서 고려시대까지 유학 사상의 전개를 중국 중심의 문화적 보편성과 고유의 전통을 의미하는 문화적 개별성, 그리고 다원적 사상지형을 통해 고찰하였다. 지금까지의 연구는 남아 있는 단편적인 사료를 통해 유학사상의 전개를 국가체제의 발전, 그리고 몇몇 인물들의 사상을 중심으로 진행되어 왔다. 그러나, 유학 교육기관이 설립되고 율령이 반포되는 시점에 불교가 수용되었으며, 기존에 토착신앙이 온존하고 있다는 점은 유학이 이미 다원적 사상지형 안에 존재하고 있었다는 것을 의미한다. 그리고 유학은 이들 불교와 토착신앙, 이후에 수용되는 도교와 공존과 조화를 이루며 사회적 기능과 역할을 부여받았다. 또한 유학의 수용은 중국 중심의 문화적 보편성을 수용하는 것으로서 국가체제는 물론 중국과의 관계에서도 조공책봉관계를 중심으로 하는 보편체계와 연관지어 생각해볼 수밖에 없다고 할 수 있다. 이러한 고대~고려시대 유학의 성격은 적어도 성리학의 내면화가 상당히 진행되는 여말선초까지는 유지되었다고 할 수 있다. 성리학 수용 이후 군신관계를 중심으로 하는 정치의식이 새롭게 재편되는 과정 속에서도 역사계승의식은 단군과 기자를 중심으로 문화적 개별성과 보편성사이의 균형을 유지하고자 하였다. 이는 일원성이 강조되는 성리학이 수용되는 과정 속에서도 찾아볼 수 있는 우리나라 유학사상의 특징이라고 할 수 있다. The author studied the development of Confucian ideas from the established period of ancient countries to the Goryeo Dynasty through sinocentric cultural universality, cultural individuality that means its own tradition, and topography of pluralistic thought in this thesis. The past studies have been arranged to investigate the development of Confucian ideas focusing on the development of national systems and several people's ideas through the remaining fragmentary historical records until now. However, Buddhism was accepted when educational institutions of Confucianism were established and laws were promulgated and the existing indigenous faiths were kept. These points mean that Confucianism already existed in structure of pluralistic thought. And Confucianism co-existed and harmonized with Buddhism, indigenous faiths, and Taoism that was accepted later and was given the social functions and roles. And the acceptance of Confucianism means to accept sinocentric cultural universality and associates with the universal system that focuses on the tributary and investiture relationships in the national systems and the relationships with China. These characteristics of Confucianism from ancient times to the Goryeo Dynasty were at least kept until the late Goryeo Dynasty and the early Joseon Dynasty that Neo-Confucianism was very internalized. Awareness of inheriting history tried to keep a balance between cultual individuality and universality focusing on Dangun(檀君) and Kija(箕子) even in the process that political awareness that focuses on the relationship between the ruler and the ruled after accepting Neo- Confucianism. This is the characteristics of Korean Confucian ideas that can be found in the process to accept Neo-Confucianism which emphasizes monism.
Bongjun Ji,Seunghwan Bang,Hyunseop Park,Hyunbo Cho,Kiwook Jung 대한산업공학회 2019 Industrial Engineeering & Management Systems Vol.18 No.3
Predictive maintenance is currently taking on new relevance. However, recent developments in predictive maintenancefocus on selecting the most appropriate algorithm based on the characteristics of a system and data given the criticalcomponents. Identifying the critical component has not been difficult because most predictive maintenance hasbeen applied to well-known critical components. However, as the cost of installation for predictive maintenance lowers,it may be desirable to apply predictive maintenance to machines where critical components have not yet beenidentified, especially machines in small- and medium-sized enterprises (SMEs). In this paper, an identification methodfor critical components for which predictive maintenance is appropriate is proposed using multi-criteria decision makingfor application to multi-component, complex machines. This paper proposes a decision-making process consideringthree different criteria: severity, occurrence, and detectability. The goal is to identify and prioritize critical componentsfor predictive maintenance. The technique for order performance by similarity to the ideal solution (TOPSIS)can take into account decision makers’ preferences. Sensitivity analysis is investigated and discussed. The proposeddecision-making approach allows a manufacturer to develop a customized introduction process for predictive maintenance
Bongjun Kim,Youngjoon Son,Jaeho Lee,Sanghoon Lee 한국방사성폐기물학회 2023 한국방사성폐기물학회 학술논문요약집 Vol.21 No.1
Considering the domestic situation where all nuclear power plants are located on seaside, the interim storage site is also likely to be located on coastal site. Maritime transportation is inevitable and the its risk assessment is very important for safety. Currently, there is no independently developed maritime transportation risk assessment code in Korea, and no research has been conducted to evaluate the release of radioactive waste due to the immersion of transport cask. Previous studies show that the release rate of radionuclides contained in a submerged transport cask is significantly affected by the area of flow path generated at the breached containment boundary. Due to the robustness of a cask, the breach is the most likely generated between the lid and body of cask. CRIEPI investigated the effect of cask containment on the release rate of radioactive contents into the ocean and proposed a procedure to calculate the release rate considering the so-called barrier effect. However, the contribution of O-ring on the release rate was not considered in the work. In this study, test and analysis is performed to determine the equivalent flow path gap considering the influence of O-rings. These results will be implemented in the computational model to assess sea water flow through a breached containment boundary using CFD techniques to assess radionuclide release rates. The evaluation of release rate due to container lid gaps has been performed by CRIEPI and BAM. In CRIEPI, the gap of the flow path was calculated from the roughness of the container surface without a quantitative assessment of the severity of the accident. In this work, to evaluate the release rate as a function of lid displacement, a small containment vessel is engineered and a metal Oring of the Helicoflex HN type is installed, which is the most commonly used one in transport and storage casks. The lid of containment vessel is displaced in vertical and horizontal direction and the release rate of the vessel was quantified using the helium leak test and the pressure drop test. Through this work, the relationship between the vertical opening displacement and horizontal sliding displacement of the cask lid and the actual flow path area created is established. This will be implemented in the CFD model for flow rate calculation from a submerged transport cask in the deep sea.