• 복식
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• 제56권7호
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• pp.115-125
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• 2006

The study on plane composition in clothing was focused mainly on woven wear earlier but its application has been reaching the knit wear. This study is confined to the utilization with geometrical linear pattern in the modern apparel. The work here intends to grasp the plane structure found in both woven wear and knit wear and, in particular, to understand the aesthetics of fashion. The modern flat patterned clothing has been affected by the oriental style or postmodernism in view of social and cultural aspect while its fabric material and expression method shows the diversity in terms of industrial and technical aspect. It can be characterized as several outstanding patterns: the geometrical pattern in structure, the linear pattern with seam line and 2-dimensional plane pattern without seam line, and the flexible silhouette integrated into one single shape with human body unlike the traditional apparel The aesthetics of fashion in modern flat patterned clothing can be divided into such category as the organically spatial change, the re-creation of tradition and the non-format framework. The organically spatial change shows the geometrical formation in clothes due to change in dimension, where the organically changing uniformity and generosity appears as the dimension progresses. The timeless without any difference of up and down, left and right, and inside and outside and the discontinuity due to limitless spatial change are also imbedded. The re-creation of tradition tells the reshaped spirits of old tradition by integrating and modifying the hereditary features in the old customed clothing into modern clothing. The modern flat patterned clothing implies the contemporaneousness or the frame through which the old and modern cultures may be shared and indicates the re-creation of the past and uniformity. The non-format framework contains the uncertainty in meaning and it doesn't have any certain standards. As both the apparel and the human body with this style aim at the open space, the numerous contingencies are realized.

• 한국의류학회지
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• 제33권7호
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• pp.1140-1151
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• 2009

This study researches the formative character of 1920's fashion through cinema costumes from the perspective of the theories of W$\"{o}$lfilin and Delong. This study organizes a new perspective such as closed form & open form, part recognition & whole recognition, and flat & rounded to analyze the characteristics of form in the costumes of 'The Great Gatsby', 'Chariots of Fire', and 'Chicago'. The 1920's style in the fashion history is a closed form and flat because of simplicity and functionality. The costumes in Chariots of Fire' that focuses on the reappearance of 1920's fashion is a flat and closed form. However, the costumes of 'The Great Gatsby' that presents a symbolic meaning and 'Chicago' that expresses a splendid look are an open and rounded form. Evening dresses are open, with whole recognition and a rounded form because of sheer fabrics, beading, uneven hemlines, and lighting. Daytime dresses are a closed form and flat because of heavyweight fabrics, dark or achromatic colors and non-patterns. Also, open form and rounded, closed form and flat have a similar distribution in diagrams. When the viewer recognizes the form of clothes, they react in a similar way to two-dimensional and three-dimensional presentations that shows that the form of clothes is recognized by the relation with the body. In addition, this study researches the connection between diverse elements such as clothes, body, movements, space, and external elements such as lighting.

• 한국농공학회논문집
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• 제62권2호
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• pp.75-82
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• 2020

The Daehang-ri intertidal flat located the just outside of the Saemangeum dike has been reported to show new-developing flats. Based on the topographic surveys of 21 times from 2000 to 2016 by a leveling method every year, this site clearly shows variation of deposition/erosion in time and space. Deposition has consistently occurred at the rate of +3.75 cm per year at the area along the dike (Zone 1), and this tidal flat is expanding and prograding seaward. In the area of far from the dike (Zone 2), on the other hand, erosion prevails at the rate of -2.38 cm per year, and this zone tends to retreat landward. However, the erosional trend of Zone 2 has slightly slowed down since 2014. As a whole from 2000 to 2016, net deposition is recorded over 3.0 m at the upper beach and the area adjacent to the dike (Zone 1), while erosion up to 1.0 m in Zone 2. In conclusion, the results at the Daehang-ri intertidal flat clearly revealed that its topographic changes were induced by the artificial structures and water masses through its sluice gate. Counter-clockwise gyre newly created after the sea dikes construction probably results in relocating of sediment outside the dike 1 by transportation of materials eroded from the south to the north along the coast.

• 한국항공우주학회지
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• 제32권10호
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• pp.118-126
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• 2004

이산와류법(discrete vortex method)을 이용하여 진통하는 평판들로부터 추력발생을 연구하였다. 평판들과 후류들은 이산와류로 나타내었다. 진동하는 평판들 사이의 복잡한 공력상호작용을 정확히 계산하기 위하여 와핵모델(vortex core model)과 와핵첨가법(vortex core addition scheme)을 사용하였다. 단일 평판이 히빙진동을 할 경우 나타나는 후류를 계산하여 기존의 유동가시화 결과와 비교하였다. 피칭진동 시 평판에서 발생하는 후류형상이 평판들의 추진 특성에 미치는 영향을 조사하였다. 3가지 방식(1. 하나의 평판은 고정 다른 평판은 진동, 2. 두개의 평판이 같은 위상으로 진동, 3. 두개의 평판이 반대의 위상으로 진동)으로 진동하는 평판들의 추진특성을 계산하였다. 반대의 위상으로 진통하는 평판이 가장 큰 추진력을 보였다.

• 한국환경복원기술학회지
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• 제19권1호
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• pp.135-153
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• 2016

This study is aimed at grasping improvement factors of Cheonho Park, Gandaemae Park and Hunlyunwon Park as barrier free friendly parks. For this study, current status of parks, users' state and satisfaction were analyzed in October, 2014 and September, 2015. To detect current status, period of designing, whole size, facility pavement green space area, and main spaces were examined. As for BF status, mediation facilities, leading and guidance facilities, convenient facilities and BF pedestrial passage were analyzed. Also, It examined user behavior and satisfaction by accessibility, convenience and safety items. As a result of status analysis, three parks were designed in 1997~1998. The size of parks were $15,180m^2{\sim}26,697m^2$. As for mediation facilities, the slopes of walking-passage in Cheonho Park and Gandaemae Park were flat. The rate of leading-guidance facilities was 72.7%~93.4%. In the three parks, the effective width of safe pedestrian space within BF pedestrial passages was more than 1.8m. In Cheonho Park and Gandaemae Park, more than 50% of soil and urethane were used as paving materials. Users were the most satisfied with accessibilities in Cheonho Park due to flat-typed walking passages. In convenience, when it comes to using benches and pergolas, it showed significantly different satisfaction in every park. In safety, there were also considerable difference in every park. Overall, it was analysed that the satisfaction with information for safety and facilities was significantly low. Against this backdrop, this study suggests three considerations to recreate parks as barrier free friendly parks. 1) Flat-typed walking passages and enough parking areas near parks should be constructed. 2) Additional rest furniture for convenience should be installed and complemented. 3) Walking oriented-spatial safe facilities for safety should be differently supplemented.

• 한국항공우주학회지
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• 제35권5호
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• pp.397-403
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• 2007

자연에 존재하는 곤충과 새들은 날개짓을 통하여 이동에 필요한 유체력을 발생시킨다. 실현 가능한 플랩핑 MAV를 개발하기 위해서는 날개짓과 추력발생사이의 관계에 관한 기초연구가 필요하다. 본 연구에서는 격자볼츠만법을 사용하여 히빙진동 운동을 하는 평판날개에서 추력 발생이 시작되는 조건을 파악하고자 하였다. 히빙진폭을 0.5C로 고정시키고 환원주파수가 추력발생에 미치는 영향을 파악하였다. 다양한 경우의 히빙진폭에 대하여 환원주파수와 추력 사이의 관계를 파악하고, 추력발생에 더 중요한 파라메터가 Strouhal수임을 보였다. Reynolds수 변화에 따른 추력특성을 파악하였다. 본 연구결과 추력발생이 시작되는 임계 Strouhal 수는 약 0.12이며 추력은 Strouhal 수에 대하여 지수함수의 관계를 갖는다.

• 한국항공우주학회지
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• 제37권11호
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• pp.1080-1088
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• 2009

평판 유동에서 유동을 제어하기 위하여 압전 세라믹을 이용한 액추에이터가 설계되었다. 액추에이터가 15Hz의 낮은 가진 주파수로 구동할 때, 설계된 액추에이터에 의해 발생된 유동 교란을 알아보기 위해 경계층 측정이 수행되었다. 경계층에서의 평균 유동속도와 섭동량이 액추에이터 끝단에서 $x/{\delta}^*=31.9$ 떨어진 하류위치에서 1축 열선프로브(55P14)로 측정되었다. 측정 결과, 속도가 느린 영역과 빠른 영역이 각각 액추에이터의 중심부근 및 바깥부분에서 관찰되었으며, 이것으로 서로 마주보며 회전하는 한 쌍의 유동방향 와류의 발생이 예측되었다. 섭동량은 액추에이터의 바깥부분에서 크게 나타났으며, 벽면근처에서 유동방향 속도의 스팬방향 변화에서 변곡점이 관찰되었다. 액추에이터가 낮은 주파수에서 구동하는 경우에는 경계층 불안정성이 액추에이터의 가진 주파수와 T-S 파동에 해당하는 주파수에서 함께 증폭된다.

• 건축역사연구
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• 제33권2호
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• pp.7-15
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• 2024

The composition of the upper structure, which can be found in the 3-Dori type buildings in Yang-dong Village, varies significantly from time to time. The upper structure of the Gwan-ga-jeong, known as a house in the mid-Joseon Dynasty, consists of a basic 3-Dori type structure in which a beam is placed under 3-Dori and supported with two flat columns. On the other hand, the upper structure of I-hyang-jeong historic house, built in the 17th century, is different in that it has a stud between the two flat columns. The upper structure of Sa-ho-dang historic house, a 19th-century building is different from the upper structure of the buildings of the previous period in that three flat columns were used. As such, the difference in the composition method of the upper structure according to the construction period is closely related to the introduction of the Toi-maru, which is mainly explained by the boundary space. In addition, it can be expected that the introduction of the Toi-maru originated from the influence of the change in the plan. This study was conducted to examine the correlation between the plan and the composition of the boundary space through various typology of the 3-Dori upper structure distributed intensively in Yang-dong Village.

• 한국조경학회지
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• 제18권2호
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• pp.95-110
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• 1990

Wang -gok Villages was forming the space marking the centripetal system from frame composed of adjacent mountains and the cosy and comfortable space perccplively and psychologically, and both the openness and closeness existed together The analysis of the circulation structure in the exterior spaces of home showed that generally one must pass through kitchen to approach to the rear yard having the strong decree of enclosure and privacy. The determinants of the space organization in Wang-gok villages and the exterior of its homes were direction and gradient as natural factor, and traditional thought, action and social class as sococultural factors. The configuration of rear garden was classified into flat type, terrace type and mixed type of natural hill and terrace. The rear garden was created purposely and actively, emphasizing the harmony with and approach to nature.

• Journal of Astronomy and Space Sciences
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• 제28권2호
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• pp.143-153
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• 2011

The sundials produced in King Sejong era had the functions of accurate observation instruments and were fabricated in various forms such as Angbuilgu (hemispherical sundial). In this study, we investigated the literature, structural characteristics and principles of Hyeonjuilgu, Cheonpyeongilgu and Jeongnamilgu that were developed in Joseon to have the unique structures. Additionally, the sundials were reviewed in the perspective of technical history by comparing them with the sundials of China. For the restoration of the sundials, we identified the principle in which the light spots and shade of the sun were used, and drew the variations of the altitude and azimuth by the yearly motion of the sun on the Siban on the hemispheric and flat surfaces. Based on these results, we completed the design drawings of the three sundials and proposed the restoration models.