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      • KCI등재

        착시적 공간디자인 유형과 구현 가능성에 관한 연구

        왕보검 ( Wang¸ Fuji ),김주연 ( Kim¸ Jooyun ),왕세학 ( Wang¸ Shixue ) 한국공간디자인학회 2021 한국공간디자인학회논문집 Vol.16 No.2

        (연구배경 및 목적) 사람의 시지각은 실제 눈에 보여 지는 실체가 주변 자극의 영향을 받아 뇌에 전달되어 재해석된다. 재해석된 착시는 공간에서 흥미 있는 체험을 제공하고 색다른 경험으로 기억되게 한다. 기존 형태나 색체를 사고에서 벗어나 유희적 요소뿐만 아니라 사물의 본질에 대한 궁금증을 유발한다. 이러한 공간에 대한 관심과 이해 과정에서의 착시현상은 인간과 공간의 긴밀한 관계를 형성하는데, 이를 공간경험이라 한다. 결과적으로, 착시현상은 다양한 형태로 공간의 의미를 더할 수 있고 공간경험 측면에서 보는 이에게 차별화된 체험을 통해 새로운 경험을 제공 해준다. 본 연구는 착시기본유형과 공간에 적용된 착시유형을 파악하고, 사례 분석을 통하여 다양 한 공간에 구현 가능성과 방향성을 제시하는 데 목적이 있다. (연구방법) 연구방법으로는 이론적 고찰을 통해 착시와 착시현상의 차이를 이해하고 착시의 기본유형을 파악한다. 사례분석에 앞서 공간에서의 착시 특성을 알아보고 사례 8곳을 원근적 착시, 옵아트 착시, 시점적 착시, 매체적 착시로 분류하여 해당 공간의 착시적 요소와 특징, 특성을 분석한다. (결과) 착시기본유형은 공간의 외부요인과 내부요인에 따라서 공간에서 다양하게 형태, 재료, 빛에 의해 변화되어 각기 다른 해석된다는 것을 사례를 통해 알 수 있으며 착시가 적용된 공간은 원근적 착시, 옵아트 착시, 시점적 착시, 매채적 착시로 구분된다. 특히, 매체적 착시에서 폐쇄성을 제외한 근접성, 유사성, 연속성, 공동배열이 높게 나타난다. (결론) 사람의 지각 경험을 통해 착시 형성과정이 발생하는데, 착시의 기본 요소와 착시현상의 유형이 사물, 공간, 매체 영역 적용되어 사람들에게 유희적이면서 차별화된 경험을 제공한다. 일반적 공간구성에 있어 착시의요소인 미러는 외부적 환경에 의해 대칭적인 시각적 장면을 만들며 사람의 정서에 영향을 주는 색체는 공간의 풍부함을 제공한다. 오늘날 착시는 시 공간을 초월해 디지털 매체의 영역으로 확장하는 등, 온라인 공간에서의 착시 적용의 구현 가능성을 가진다. 코로나 19이후, 사람들은 재택에서의 업무로 휴식을 취해야 할 공간이 피로감으로 변하고 있다. 문화, 예술, 공공분야에서 적용된 착시현상이 디지털 매체에 적용하는 것은 한정된 공간을 초월해 무한한 공간에서 착시 현상을 자유롭게 적용할 수 있다. (Background and purpose) Human visual perception is transmitted to the brain and reinterpreted under the action of surrounding stimuli, rather than actually seeing visible entities, it is an experience. The existing forms and colors are different from things and arouse people's surprise. In the process of understanding, the interest and illusion of these spaces form a close connection between people and space, which is the so-called space experience. Illusion can increase the meaning of space in various forms, and provide a new experience for those from the perspective of space experience through differentiated experience. This study describes the basic types of illusion and space. By analyzing different types of optical illusions, and applying examples of these types of illusions and spaces, the applicability and application direction of various spaces are presented. (Method) As a research method, understand the difference between illusion and illusion through theoretical investigation, and understand the basic types of illusion. Before conducting case analysis, it is necessary to understand the characteristics of space illusion and attach 8 cases. When adjusting distance, optical illusion, viewpoint and medium, the characteristics and characteristics of optical elements in the relevant space will be analyzed. (Result) It can be seen from the example that the basic types of optical illusions change according to the external and internal factors of the space, various shapes, materials and light in the space, and have different interpretations. Hallucinations, point of view attachment and media attachment, especially proximity, similarity, continuity, and media attachment are important, but these do not include the enclosed characteristics. (Conclusion) The process of forming an optical illusion occurs through a person's perceptual experience, and the basic elements of the optical illusion and the type of optical illusion are applied in the areas of objects, spaces, and media, providing a playful and differentiated experience to people. In general spatial composition, the mirror, which is an element of optical illusion, creates a symmetrical visual scene by the external environment, and the color body that influences the emotions of people provides the richness of the space. Today, optical illusions have the potential to implement optical illusions in online spaces, such as transcending time and expanding into the realm of digital media. After Corona 19, the space where people need to take a break from working at home is turning into fatigue. The application of optical illusions applied in culture, art, and public fields to digital media transcends limited spaces and allows the use of optical illusions in infinite spaces freely.

      • KCI등재

        On the Motion of the Structure Varying Multibody Systems with Two-Dimensional Dry Friction

        Fujie Xia,Peter Wolfs,Colin Cole 대한기계학회 2005 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.19 No.4

        In the present paper the dynamics of the structure varying multibody systems caused by stick-slip motion with two-dimensional dry friction are analyzed. The methods to determine friction force both in stick and slip states are described. The direct method of considering the wagon bogie system as a structure varying system was used to consider two dimensional friction at the wheelset-side frame connection. The concept of friction direction angle used to determine the friction force components of two-dimensional dry friction both in the stick and slip motion states was used. A speed depended friction coefficient was used and described approximately by hyperbolic secant function. All switch conditions were derived and friction forces both for stick and slip states. Some simulation results are provided.

      • ADVANCED TREATMENT OF DOMESTIC WASTWATER BY BIOLOGICAL PROCESSES FEATURED HOLLOW FIBER MICROFILTRATION

        Fujie,Koichi,Okada,Mitumasa,Kawashima,Hiroyuki,Okazaki,Minoru 嶺南大學校 環境問題硏究所 1995 環境硏究 Vol.15 No.1

        A hollow fiber microfiltration (HMF) membrane featured an unique air-backwashing and a high filtrate flux under a low pressure and a low cross flow rate was successfully incorporated with the aerobic submerged biofilters for the advanced treatment of domestic wastewater. HMF system A in which the wastewater filtrated directly by the HMF membrane was treated by the aerobic submerged biofilter and HMF system B in which the moving bed aerobic biofilter (MBF) was followed by the HMF were proposed and were investigated in terms of the filtrate fluxe, the organic removal, the power consumption and the running cost based on the experimental results. The running cost was comparable with the conventional activated sludge process, whereas the effluent quality was superior than that.

      • APPROPRIATE SELECTION AND OPTIMIZATION OF BIOLOGICAL WASTEWATER TREATMENT PROCESSES

        FUJIE,Koichi 嶺南大學校 環境問題硏究所 1994 環境硏究 Vol.14 No.1

        Characteristics of aerobic biological wastewater treatment processes, such as activated sludge process, trickling filter process, rotating biological contactor, land application and so on, was studied from view points of the power economy, which is defined as the amount of BOD removed per unit power consumption, and the rate of BOD removal per unit floor area of each process. Effects of the operating conditions and the configurations of the process on their performance were clarified for the appropriate selections and their operating conditions to give a high power economy and to maintain a high quality effluent as well.

      • KCI등재

        ZERO-EMISSION MATERIALS CYCLE IN PRODUCTION PROCESS AND REGIONAL SCALE

        FUJIE, Koichi The Korean Society of Clean Technology 1997 청정기술 Vol.3 No.2

        The present paper aims to give basic information to establish zero emission material cycle including the minimization of emissions from industrial production processes and the area in regional scale. Strategies and methodologies to analyze emissions from the production processes and our human activities and to reduce those emissions by refining and/or replacing the unit process with the alternatives are introduced as well. Quantitative evaluation and management systems of any raw materials and the production process are from vie points of treatment are essential. Estabiishment of a process networking for the recycle of discharged non-products materials by the intra-process, trans-process and the trans-industries are proposed. Procedures and priorities to formulate industrial and regional zero emission system are proposed as well.

      • AHCISCOPUSKCI등재
      • Zero Emission Production for Conservation of Water Environment

        FUJIE, Koichi 嶺南大學校 環境問題硏究所 1999 環境硏究 Vol.18 No.2

        AbstractsThis paper aims to give basic information for the minimization of pollution load to environment by reducing wastewater discharge from production process and by selecting appropriate wastewater treatment processes based on characteristic evaluation of both treatment processes and that of wastewaters. Strategies and methodologies to analyze emissions from the production processes to reduce those by refining and/or replacing the unit process with the alternatives are introduced as well. It was stressed that taking materials and energy balances of the production process are the essential to clarify emissions quantitatively for the reduction of pollutants in the focused process. A procedure including biological degradability, activated carbon adsorption, chemical oxidation for mineralization and for improvement of biodegradability of pollutants, coagulation, and so on, was proposed to evaluate wastewaters for appropriate selection of treatment processes.

      • SCIESCOPUSKCI등재

        On the Motion of the Structure Varying Multibody Systems with Two-Dimensional Dry Friction

        Xie Fujie,Wolfs Peter,Cole Colin The Korean Society of Mechanical Engineers 2005 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.19 No.4

        In the present paper the dynamics of the structure varying multibody systems caused by stick-slip motion with two-dimensional dry friction are analyzed. The methods to determine friction force both in stick and slip states are described. The direct method of considering the wagon bogie system as a structure varying system was used to consider two dimensional friction at the wheelset-side frame connection. The concept of friction direction angle used to determine the friction force components of two-dimensional dry friction both in the stick and slip motion states was used. A speed depended friction coefficient was used and described approximately by hyperbolic secant function. All switch conditions were derived and friction forces both for stick and slip states. Some simulation results are provided.

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