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시대적 변화에 따른 국립현대미술관 공간 변화에 관한 연구
이민희 ( Lee¸ Minhee ),김주연 ( Kim¸ Jooyun ),김원길 ( Kim¸ Wongil ) 한국공간디자인학회 2021 한국공간디자인학회논문집 Vol.16 No.3
(연구 배경 및 목적) 국민의 문화 향유를 위한 예술은 정치·사회·환경적 변화에 따라 시대적 변화를 보여준다. 본 연구는 시대적 변화에 따른 우리나라 국립 미술관의 공간 변화에 주목하고자 한다. 국립 미술관의 건축적 변화의 분석과 해석이 아닌 환경적 변화와 미술관 역할의 변화 양상에 따른 기능적 변화를 중심으로 접근하고자 하며, 기존의 미술관 공간 연구가 건물의 외관, 내부 물리적 공간의 분석 등 건축학 측면으로 연구가 되었다면, 본 연구에서는 미술관 환경의 변화, 운영의 변화, 미술 전시의 변화, 즉 기능적 측면에서 미술관의 변화를 분석하고자 한다. 본 연구는 국립 미술관의 시대적 변화를 이해하고, 변화의 특성을 파악하여 앞으로의 미술관의 공간 운영 전략을 위한 학술적 연구 자료로 활용하는데 연구의 목적을 두고 있다. (연구방법) 연구의 방법은 미술관 공간의 변화의 이론적 고찰을 위하여 문헌 연구를 기반으로 진행한다. 미술관 공간의 변화를 시대적, 운영적, 사회 요구적 변화로 나누어 분석하고, 이를 토대로 미술관 공간을 변화하게 하는 요인으로 환경적, 기능적, 관람 서비스적 측면의 세 가지로 분석한다. 이를 토대로 분석의 틀을 마련하여 미술관 공간의 변화에 대해 검증한다. (결과) 분석 결과, 오늘날 미술관 공간은 장소성이 높게 나타나며, 미술관의 특성을 가장 잘 나타내는 요인으로 분석된다. 미술관의 기능적 측면의 변화로 인한 공간의 특성은 기관의 면적과 규모가 클수록 전시·교육·연계 문화 행사 등 다양한 프로그램을 실행하여 참여성과 공공성이 높게 나타났다. 반면 접근성이 우수하다고 해서 기능적 특성인 참여성과 공공성, 지속성이 비례하지는 않는 것으로 분석되었다. 관람 서비스 측면으로는 휴게공간이 더 넓게 제공될수록 사용자의 편리성과 이용빈도가 높아진다는 것을 알 수 있었다. (결론) 본 연구를 통해 오늘날 미술관의 공간 형태는 규모가 커질수록 ‘복합문화공간’으로의 역할을 수행하며, 기능적 특성인 참여성과 공공성이 높게 나타나는 것으로 분석되었다. 이는 환경적, 기능적, 관람 서비스적 변화가 미술관의 공간 운영 형태를 변화하게 함을 시사한다. 본 연구의 결과는 앞으로의 국립 미술관 공간 활용 계획에 앞서 참고할 수 있는 기초자료로서 활용될 수 있을 것으로 사료된다. (Background and Purpose) In art, the trends of the times for people to enjoy culture have changed with political, social, and environmental changes. The National Museum of Arts has a duty to ensure that the right of enjoyment of culture is recognized as a people's basic right. This study focuses on the spatial changes of the National Museum of Arts in Korea. It tries to derive each factor by analyzing spatial changes in the art museum diachronically, and classifying the characteristics of changes. This study should serve as academic research material for the space operation strategy of the art museum in the future, by understanding the changes in the National Museum of Arts and the trends of the times. (Method) This study proceeded on literature reviews for the theoretical consideration of spatial changes in the art museum. It analyzed spatial changes by dividing them into periodic, operational, and socially demanding ones, and then analyzed the factors of spatial changes in the art museum from three aspects: environmental, functional, and viewing service. The study then prepared a framework for analysis to verify the spatial changes in the art museum. (Results) The results revealed high placeness in the art museum, a factor that best represented the characteristics of the art museum. The functional change in the art museum showed that the larger the area and scale of the institution, the higher the participation and publicity, as it has run various programs for exhibitions, training, related cultural events, and so on. However, excellent accessibility was not proportional to the functional characteristics of participation, publicity, and persistence. In terms of viewing service, except for exhibition halls, the more rest facilities built, the more convenient and usable, and participation and public performance appeared in the same indicators. (Conclusions) This study showed that the spatial form of art museums today becomes a “complex cultural space” as its scale increases, with significant functional characteristics of participation and publicity. Therefore, changes in environmental, functional, and viewing services dictate how art museums use space. The results of this study can function as basic reference material in the future, when planning space utilization in the National Museum of Arts.
Lee, See Hi,Hwang, Joonki,Kim, Kihyun,Jeon, Jinhyeok,Lee, Sangyeop,Ko, Juhui,Lee, Jichul,Kang, Minhee,Chung, Doo Ryeon,Choo, Jaebum American Chemical Society 2019 ANALYTICAL CHEMISTRY - Vol.91 No.19
<P>A surface-enhanced Raman scattering-based lateral flow assay (SERS-LFA) technique has been developed for the rapid and accurate diagnosis of scrub typhus. Lateral flow kits for the detection of <I>O. tsutsugamushi</I> IgG (scrub typhus biomarker) were fabricated, and the calibration curve for various standard clinical sera concentrations were obtained by Raman measurements. The clinical sera titer values were determined by fitting the Raman data to the calibration curve. To assess the clinical feasibility of the proposed method, SERS-LFA assays were performed on 40 clinical samples. The results showed good agreement with those of the standard indirect immunofluorescence assay (IFA) method. SERS-LFA has many advantages over IFA including the less sample volume, simpler assay steps, shorter assay time, more systematic quantitative analysis, and longer assay lifetime. As SERS strips can be easily integrated with a miniaturized Raman spectrophotometer, field serodiagnosis is also more feasible.</P> [FIG OMISSION]</BR>
Minhee Kim,Byunghyun Lee,Junhee Lee,Chongam Kim 한국항공우주학회 2016 International Journal of Aeronautical and Space Sc Vol.17 No.3
This paper presents experimental and computational investigations of synthetic jets with a circular exit for improving flow control performance. First, the flow feature and vortex structure of a multiple serial circular exit were numerically analyzed from the view point of flow control effect under a cross flow condition. In order to improve separation control performance, experimental and numerical studies were conducted according to several key parameters, such as hole diameter, hole gap, the number of hole, jet array, and phase difference. Experiments were carried out in a quiescent condition and a forced separated flow condition using piezoelectrically driven synthetic jets. Jet characteristics were compared by measuring velocity profiles and pressure distributions. The interaction of synthetic jets with a freestream was examined by analyzing vortical structure characteristics. For separation control performance, separated flow over an airfoil at high angles of attack was employed and the flow control performance of the proposed synthetic jet was verified by measuring aerodynamic coefficient. The circular exit with a suitable hole parameter provides stable and persistent jet vortices that do beneficially affect separation control. This demonstrates the flow control performance of circular exit array could be remarkably improved by applying a set of suitable hole parameters.
Experimental study of two-way beam string structures
Lee, Seunghye,Seo, Minhee,Baek, Ki-Youl,Jeong, Jinwoo,Kim, Sun-Myung,Lee, Jaehong Elsevier 2019 Engineering structures Vol.191 No.-
<P><B>Abstract</B></P> <P>In this study, a novel two-way beam string structure which aims primarily at roof systems under bi-directional loading is developed. The two-way beam string structure is composed of two types of cables which have different purposes and directions of cable sag. The cables are used to stiffen the upper beam through struts against both positive and negative loads. We evaluate the new system with experiments, showing that the tensile forces of the lower cables are introduced to control the structural behavior. Moreover, the structure is implemented in the Abaqus finite element package to verify the accuracy and validity of the results from the tests.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A novel two-way beam string structure which aims at systems under bi-directional loading is developed. </LI> <LI> The system is composed of two types of cables having different purposes and directions of cable sag. </LI> <LI> The cables are used to stiffen the upper beam through struts against both positive and negative loads. </LI> <LI> The system was evaluated with experiments, cables could then control the structural behavior. </LI> <LI> FE simulation was also performed to verify the accuracy and validity of the test results. </LI> </UL> </P>