• 제목/요약/키워드: Day Lighting

검색결과 163건 처리시간 0.022초

Ron Arad의 디자인에 관한 연구 (A Study on the Designs of Ron Arad)

  • 서병기
    • 디자인학연구
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    • 제16권1호
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    • pp.199-208
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    • 2003
  • The Israel-born Ron Arad is one of Britain's "superstar" designers, an it has been said that he is Britain's answer to Philippe Starck. Arad is a highly individualistic designer whose ideas stem from a mental process that has more in common with that of the fine artist than of the jobbing designer for industry. His imagination expresses itself in the form of things. By the early 1990s he had become internationally recognized for his "ready-made" work. His furniture and lighting designs required extremely costly labour-intensive techniques to produce. As his work was highly evocative, suggesting a post-industrial world in which the urban landscape was characterized by materials in a state of decay. More recently, through collaborations with Italian and German manufactures, his work has reached a new level of sophistication and finish, which differentiates it from the earlier designs. As Arad reputation as a designer of workshop-based furniture came to an end and the era of "democratic" Arad furniture came into being. By middle of the decade he had become one of the most-discussed designers of the day. The spirituality that emanates from all his work is a product of his particular vision of the creative process, far removed from the typical, stereotyped trends in the sphere of modern industrialization. He goes one step further in his work by attempting to restore aesthetic dignity to the objects of daily life, in a search for beauty within the immediate environment.hin the immediate environment.

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서울지역 국민학교 학교급식 실태에 관한 조사 연구 (Survey on the Elementary School Lunch Program in Seoul Area)

  • 정은자
    • 한국식품영양학회지
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    • 제4권1호
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    • pp.81-90
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    • 1991
  • This study was conducted a comprehensive survey of 39 elementary schools operating school lunch program in Seoul area. The purpose of this study was to investigate the realities of school lunch program. This method of the research was based on the interview survey with dietitian working at each school with prepared questionnaire. The survey was conducted for 16 days from Dec. 5 to Dec. 20., 1990. The results of this study were as follows ; (1) The average numbers of children supplied with food were 1,244 for each school. It was about 44.3Bb of the students enrolled in the school. The average feeding cost was 738 won per a child for a day. (2) Only one school was operating nutritional education as a regular educational program, and others were operating nutritional education off and on. (3) All nutrient intake except energy were higher than the RDA for school lunch program. (4) The ratio of animal food was 46.2%, and that of vegetable food was 53.8%. (5) The ratio of schools without sterilizer cabinet came to 56.4%, and that of schools without warmer was 97.4%. (6) The facilities for drainage, lighting, ventilation, anti-rat of a cookery were comparatively good.

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수직형 라이트파이프의 채광성능에 관한 예비평가 (Preliminary Field Test on Daylighting Performance of Perpendicular Light Pipe System)

  • 신혜미;박훈;김정태
    • KIEAE Journal
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    • 제8권1호
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    • pp.53-60
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    • 2008
  • The daylighting affects on the human biological cycles and physiological alterations. Daylighting is also an important element in visual comfort and it sometimes influences the quality of vision. Therefore the absence of natural light during the day brings contradictory result. To solve the problems of natural light lack and provide sufficient daylight in interior spaces, it might be necessary to apply some daylighting systems. One of these systems, light pipe system, which is simple, cheep and easily constructed, is very useful to apply for small buildings. The light pipe is simple means of directing daylighting (diffuse and direct lighting)into interior space. In order to application of light pipe system in Korea, it is necessary to optical data of light pipe system. This study aims to evaluate preliminary experiment of the daylighting environment of light pipe system. Light pipe system, that aspect ratio is 1:2(diameter and length), was installed in a windowless mock-up with $27m^2$. The mock-up model was constructed as a prototype of Korean office surface. Illuminance was measured with a Topcon IM-5 Luxmeter to evaluate the distribution of the illuminance on a floor. The indoor and outdoor illuminance and the internal/external illuminance ratio are compared to discuss with in the graphs. Luminance was measured with Radiant imaging Promertric 1400 that is digital photometer to evaluate the distribution of luminance on interior surface. The contrast of luminance is discussed with table and graphs.

표면영상유속계(SIV)를 활용한 홍수유출량 산정 시 주·야간영상의 정확도 비교분석 (Comparative Analysis of Day and Night Time Video Accuracy to Calculate the Flood Runoff Using Surface Image Velocimeter (SIV))

  • 김용석;양성기;류권규;김동수
    • 한국환경과학회지
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    • 제24권4호
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    • pp.359-369
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    • 2015
  • This study analyzed the velocimetry of runoff and measured the flood discharge by applying the SIV (Surface Image Velocimetrer) to the daytime and nighttime flow image data with special reference to Seong-eup Bridge at Cheonmi stream of Jeju during the flow by the severe rainstorm on May 27, 2013. A 1000W lighting apparatus with more than 150 lux was installed in order to collect proper nighttime flow image applied to the SIV. Its value was compared and analyzed with the velocity value of the fixed electromagnetic wave surface velocimetry (Kalesto) at the same point to check the accuracy and applicability of the measured velocity of flow. As a result, determination coefficient $R^2$ values were 0.891 and 0.848 respectively in line with the velocity distribution of the daytime and nighttime image and the flow volume measured with Kalesto was approximately 18.2% larger than the value measured with the SIV.

박물관자료의 보존을 위한 전시공간 환경계획에 관한 연구 (A Study on the Environment Planning of Exhibition Space for Conservation of Collection in a Museum)

  • 정성욱
    • 한국실내디자인학회논문집
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    • 제17권2호
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    • pp.91-101
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    • 2008
  • The purpose of this study is to suggest the design guidelines of exhibition space for conservation of collection in a museum. With the purpose of this study, examined the concept and a condition of conservation which is focused on deterioration in a exhibition space, investigated the actual condition of total 42 facilities and analyzed the specific instance which is excellent by factor of environment plan. Hereupon, the results of this study are as follows. First, exhibition space should be equipped with sufficient 'Filtering Space' before the outdoor and located central territory in a museum facility. Second, exhibition space should be partition off an area into the quality of collection, and then controlled by each of them. Third, in consideration of the annual air fluctuation of our country, the database which is adaptable for setting up the standard of temperature and RH must be prepared. Fourth, it is necessary to establish a 'Reference Exhibition Room' which is formed cellular type and a 'Garnering Exhibition Center'. Fifth, for the prevention of deterioration which is generated in exhibition space, the showcase must be high air-tight. Sixth, it is necessary to reduce a inside space of high air-tight showcase. Seventh, art-sorb is suitable for control the organic matter of collection and a except of fiber optics is not suitable for lighting of showcase. Eighth, wall-type showcase should be have air-chamber which is formed like museum storage and run over 8 hours a day.

지속가능한 생태도시 및 생태마을에서의 거주자의 역할 (The Role of Residents for the Sustainable Ecopolis and Ecovillage)

  • 곽인숙
    • 대한가정학회지
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    • 제39권6호
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    • pp.109-122
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    • 2001
  • This study was performed to identify the roles of residents for the environmentally sound and sustainable development, taco-polis(kologisches Bauen), eco-village and Symbiotic Housing. These buildings will achieve energy efficiency through design strategies such as passive solar heating system, natural cooling and day lighting. Their infrastructure will feature parking on the periphery, extensive pedestrian paths, outdoor ground lights that preserve stellar visibility, and environmentally sensitive technologies such as low writer use fixtures. And they will restore biodiversity while protecting the wildlife, wetlands, forests, soil, air and water. Their houses wile be designed to support home-based occupations, offering high-speed Internet access and other options to promote a localized, sustainable economy. To support and encourage the evolution of sustainable settlements, it is necessary to prepare constructing the physical facilities and the social functions relating with residents. The roles of residents are important to provide a high Quality lifestyle and to integrate a supportive social environment with a low-impact way of life. This study concluded the four main roles of residents for the sustainable of Eco-polis and Ecovillage. 1. Residents assist transition towards a sustainable society as eco-conscious consumers in the planning stage. 2. Residents live in a ecological way for the sustainable ecovillage. 3. Residents exchange information and education for increasing the community glue as a communication network. 4. Residents support and transmit their cultural vitality and tradition for the next generation. So, users are expected to encourage resident's participation in the planning, design, ongoing management and maintenance of the sustainable ecovillage.

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A New Spray Chrysanthemum Cultivar, "Moon Festival" with Vigorous Semi-Double Flower Type and Light-ivory White Petals for Cut Flower

  • Lim, Jin-Hee;Shin, Hak-Ki;Park, Sang Kun;Cho, Hae-Ryong;Rhee, Hye-Kyung;Kim, Mi-Seon;Joung, Hyang Young
    • 한국육종학회지
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    • 제40권3호
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    • pp.336-339
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    • 2008
  • A new spray chrysanthemum cultivar, 'Moon Festival' was released by National Horticultural Research Institute (NHRI), Rural Development Administration (RDA), Korea in 2007. A cross was made in 2002 between '01B1-559', a breeding line of NHRI and 'Baeksokuk', a spray cultivar with white petals. Trials were conducted from 2005 to 2007 for evaluation and selection of this cultivar, including shading culture in summer and retarding culture in autumn. The natural flowering time of "Moon Festival" is late October, but year-round flowering is possible by shading and lighting treatment. The cultivar is semi- double type flowers with light-ivory white petals and green flower center. Flower neck and stem are very hardy. The diameter of flower is 67.5 mm. The number of flowers per stem and petals per flower is 11.5 and 100.5, respectively. The days to flowering under the short day is about 54 in autumn season.

A New Spray Chrysanthemum Cultivar, 'Golden Festival' with Vigorous Semi-Double Flower of Yellow Petals for Cut Flower

  • Lim, Jin-Hee;Shin, Hak-Ki;Park, Sang Kun;Cho, Hae-Ryong;Rhee, Hye-Kyung;Kim, Mi-Seon;Joung, Hyang Young
    • 한국육종학회지
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    • 제40권4호
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    • pp.495-498
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    • 2008
  • A new spray chrysanthemum cultivar, 'Golden Festival' was released by National Horticultural Research Institute (NHRI), Rural Development Administration (RDA), Korea in 2007. It was selected from the progenies of open-pollination of 'Torbay' in 2002. Trials were conducted from 2005 to 2007 for evaluation and selection of this cultivar, including shading culture in summer and retarding culture in autumn. The natural flowering time of 'Golden Festival' is late October, but year-round flowering is possible by shading and lighting treatment. The cultivar is semi-double type flowers with bright yellow petals and green flower center. Flower neck and stem are very hardy. The diameter of flower is 56.5 mm. The number of flowers per stem and petals per flower are 12.0 and 93.5, respectively. The days to flowering under the short day treatment is about 50 in spring season.

A New Spray Chrysanthemum Cultivar, "Cherry Blossom" with Resistant to White Rust, Single Flower Type and Bright Pink Petals for Cut Flower

  • Lim, Jin-Hee;Shin, Hak-Ki;Park, Sang Kun;Cho, Hae-Ryong;Rhee, Hye-Kyung;Kim, Mi-Seon;Joung, Hyang Young
    • 한국육종학회지
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    • 제40권4호
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    • pp.439-442
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    • 2008
  • A new spray chrysanthemum cultivar, 'Cherry Blossom' was released by National Horticultural Research Institute (NHRI), Rural Development Administration (RDA), Korea in 2007. A cross was made in 2002 between 'Relance', a spray cultivar with red petals and resistant to white rust and 'Yeonja', a spray cultivar with pink petals. Trials were conducted from 2005 to 2007 for the evaluation and selection of this cultivar, including shading culture in summer and retarding culture in autumn. The natural flowering time of "Cherry Blossom" is late October, but year-round flowering is possible by shading and lighting treatment. This cultivar is single type flowers with dark pink petals and green flower center and resistant to white rust. It is very stable color of petals when the variety is cultivated under high temperature conditions in summer season. The diameter of flower is 55.0 mm. The number of flowers per stem is 10.5 and the number of petals per flower is 24.0. The days to flowering under the short day treatment is about 45 in spring season.

An Analysis about Recognition of Indoor Air Quality of Workers at Dental Clinics in Jeollanamdo Area

  • Choi, Mi-Suk
    • 한국컴퓨터정보학회논문지
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    • 제23권11호
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    • pp.137-142
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    • 2018
  • The purpose of this study is to contribute to the improvement of indoor air quality management in dental clinic by investigating the level of indoor air quality recognition among dental clinic workers. The questionnaire survey was conducted for about 4 weeks from May 20 to June 20, 2018 in dental clinics located in Jeollanamdo area and 143 were used as the analysis data. The method of indoor air quality management in dental clinic was preferred to "natural ventilation" method and the number of natural ventilation was 1 to 2 times per day and the results of survey on indoor environment satisfaction showed that satisfaction level was lowest in noise and smell items. The types of subjective symptoms experienced by workers working at dental clinics are "cough", "eye burn", and "headache" and a survey on the degree of the relationship between subjective symptoms and indoor air quality showed that 94.4% (135) of respondents answered "very relevant" and "slightly related". As a result of multiple regression analysis, the variables affecting the indoor air quality satisfaction of the dental clinic staff were analyzed as the items such as lighting, noise, main work, number of patients, comparing indoor and outdoor air quality and among them, "comparing indoor and outdoor air quality" was analyzed as having a great influence. To improve the indoor air quality satisfaction of dental clinic worker adequate ventilation, designate the person responsible for the indoor air quality management and periodic measurement efforts will be necessary.