• 제목/요약/키워드: Passive consumption

검색결과 273건 처리시간 0.035초

쾌적 빛 환경을 위한 효율적 조명 시스템 (Efficient Lighting System for Amenity Light Environment)

  • 최종효;오명원;김병선
    • 한국태양에너지학회:학술대회논문집
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    • 한국태양에너지학회 2009년도 추계학술발표대회 논문집
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    • pp.136-141
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    • 2009
  • Considerable part of energy consumption is occurred by through buildings. Especially, Lighting energy consumption is most part of one in building. There is very various ways and systems for saving lighting energy. In method, It can be divided Passive Daylighting System and Active Daylighting System. Louver, Screen and use of window's character is representative ways of passive system. Reflection mirror, optical pipe and optical fiber is representative method of active system. Introducing day light on which place can't be introduced day light by typical method is important advantage of active system. Except introducing day lighting methods, efficient lighting management system can save lighting energy. It called lighting automation system. Representatively, Occupancy-related automation and Brightness-related automation system is that. According to occupancy and introducing daylighting level properly operate lamp's intensity of illumination that can save lots of energy. Though Introducing daylighting method, effective lighting system we can get proper intensity of illuminance level and energy saving.

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초소형 수동형 유체 압력 조정기 제작 및 실험 (Fabrication and Test of a Micro Passive Liquid Pressure Regulator)

  • 이기정;임인호;심우영;양상식
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2008년도 제39회 하계학술대회
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    • pp.1482-1483
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    • 2008
  • This report describes the design, fabrication and experimental results of an implantable micro pressure regulator. It consists of three silicon substrates, a glass substrate, and a PDMS layer. Silicon and glass substrates are fabricated by using bulk micro machining and sandblasting. The PDMS layer is used as a intermediate layer for Si-Si and Si-glass bonding processes. This micro regulator is a key component of the portable drug delivery systems for low power consumption. The device has some advantages, such as a passive type device, no power consumption, and simple structure.

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라이프스타일에 따른 과시소비성향 및 의류쇼핑동기에 관한 연구 (A Study on Conspicuous Consumption and Clothing Shopping Motives according to Life Style)

  • 이승희
    • 복식문화연구
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    • 제8권6호
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    • pp.842-852
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    • 2000
  • The purpose of this study was to classify consumer groups according to the life style dimensions and to analyze conspicuous consumption, clothing shopping motives among consumer groups, and also to clarify relationships between demographic variables and the life style, conspicuous consumption, clothing shopping motives. The subjects were 329 women in their twenties living in Seoul. For data analysis, mean, factor analysis, cluster analysis, t-test, ANOVA, Duncan test were conducted. The results were as follows ; First, consumer groups were classified into the following five subdivisions : passive group, appearance consideration/self-realization group, appearance indifference group, family oriented/economic group, achievement oriented/active group. Second, the significant differences among the classified life style groups were found in conspicuous consumption and clothing shopping motives. Third, there were significant differences in life style, conspicuous consumption, clothing shopping motives according to demographic variables like age, occupation.

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물류센터의 에너지 효율 개선 방안에 관한 연구 (A Study on the Improvement of Energy Efficiency in Warehouses)

  • 선종근;류호상
    • 조명전기설비학회논문지
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    • 제26권6호
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    • pp.66-72
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    • 2012
  • The main sources of energy consumption in warehouses are MHE(Material Handling Equipment), HVAC(Heating, Ventilating and Air Conditioning) and Lighting. Warehouses in advanced countries raise energy efficiencies with energy consumption diagnosis, technology development and systematic management and improvements for MHE, HVAC and Illuminating, etc. They have managed illuminating system, air conditioning, motor driven system, air circulation method, dock facility, layout, AS/RS, conveyor system and battery management, etc. Ansong Pyeongtaek area investigation resulted that 43.9[%] of enterprises are managing partly energy consumption source. But the data resulted with not substantial management of energy consumption but passive management for only electric bill curtailment. Therefore through survey research & visiting interviews of some companies in Ansong Pyeongtaek area, we understood the status of energy consumption source management and proposed energy efficiency methods on the basis of that results.

Light Emitting Polymer Displays

  • Heeks, Karl;Smith, Euan;Goodchild, Bill;Burroughes, Jeremy;Towns, Carl
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2002년도 International Meeting on Information Display
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    • pp.319-324
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    • 2002
  • We will report the latest developments in light emitting polymer (LEP) systems developed at CDT. Device performance for spin coated and ink jet printed systems will be described which are state-of-the-art. We will also report on novel driving schemes for both active and passive addressed LEP displays. These drive schemes extend system lifetime as well as lowering power consumption.

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의류소비성향에 따른 소비유형분석 -20대 신세대 여성을 중심으로- (An Analysis on the Consumption Types by the Clothing Consumption Propensity(CCP) -Focused on Korean Female X-generation-)

  • 장은영
    • 복식
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    • 제48권
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    • pp.37-52
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    • 1999
  • The purpose of this study was to find out the clothing-consumption propensity(CCP) and to classify consumption types in CCP and to classify consumption types in CCP and to compare the classfied groups on their consumer characteristics among Korean female X-generation. The survey method was conducted for this study. The subjects are 477 Koran femal X-generation whose age ranges from 18 to 29 and who reside in Seoul and its adjoined areas. The span of the survey was February through March in 1998. the results were analyzed by using of SPSS/PC+package. 1. The clothing consumption motives among the female X-generation were the sensuous satisfaction for posession motive the were practical necessity of the purcahse successively in order. The clothing consumption attitude were the practical electicism the effective value the favorable attitude on low price goods toward sale items and the self-control over their consumption. 2. According to the CCP consumers were classified into five groups: electice and practical group ostentatious and extravagant group passive and economical group sensuous and practical group and sale-fond group. The respective group showed significant difference in the nine factors of the CCP. 3. Consumtion type group had significantly difference in lifestyle among consumer factor and materialistic propensity influence of economic recession follow consumption among social influence factors.

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Analysis of Energy Performance and Green Strategies in the Foreign High-Performance Buildings

  • Park, Doo-Yong;Kim, Chul-Ho;Lee, Seung-Eon;Yu, Ki-Hyung;Kim, Kang-Soo
    • KIEAE Journal
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    • 제15권3호
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    • pp.21-28
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    • 2015
  • Purpose: In this study, we analyzed the energy performance levels and high-performance technology trends through the case studies of foreign high-performance buildings. Method: Buildings built within 10 years were selected for the analysis of recent trends. we analyzed the buildings of U.S.A, Germany and Japan using LEED certified buildings, Passive House certified buildings and CASBEE certified buildings database for the case study of foreign high-performance buildings. A total of 20 high-performance buildings including 14 cases in U.S.A, 4 cases in Germany and 4 cases in Japan were selected. Annual energy consumption levels for 20 high-performance buildings were collected with the actual energy consumption data or data from simulation programs officially recognized by DOE. Annual energy consumption were compared with the energy performance standard of the office buildings in the CBECS database, ASHRAE Standard 90.1-2004 and Building Energy Efficiency Rating System in Korea. Result: The order of the green strategies applied in the main categories are Renewable Energy(63%), Indoor Environment Control(51%), Envelope Improvement(44%) and HVAC System & Control(28%). Specified strategies most widely used in the sub-categories are high-performance Insulation (70%), High Efficiency Heating, Cooling Source Equipment(85%), Photovoltaic&Solar Thermal(80%) and Daylighting(80%).

여대생의 라이프 스타일에 따른 화장품 소비행동 (The Cosmetic Consumption Behavior According to the Life Styles of University Women.)

  • 김용숙
    • 복식
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    • 제45권
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    • pp.147-160
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    • 1999
  • The purposes of this study were to classify the university women according to their life styles and to analyze the cosmetic consumption behavior of classified groups. The results of this study may suggest cosmetics production and sales plan to manufactures and distributers and to provide cosmetic consumption guides for the university women. For empirical study a questionnaire developed by researchers was distributed to 456 of university women in Chonbuk province from Aug. 26 to Sep. 17 1998. Frequencies and percentages were claculated. And factor analysis cluster analysis and $\chi$2-test were used. The results were as follows: 1. University women were clustered into 5 types of sound and self pursuit type realistic and fashion pursuit type external and liberal type delightful and enjoying type and passive and stagnate type according to their life styles. 2. Sound and self pursuit type was characterized by the faithfulness to school and home life and economical lining. They got cosmetics information through direct experiences by use of samples put on full make-ups to protect their skin and selected refill cosmetic products to save money. 3. Realistic and fashion pursuit type were sensitive to fashion and had a strong desire for material achievement. They put on full make-ups exchange unsatisfactory cosmetics at the store where they bought and had a lot of imported cosmetics experiences. 4. External and liberal type showed little concern with saving and had progressive thinking. They bought cosmetics at the department store got informations from market-oriented information sources. perferred shopping at department stores considerred price most important when selecting cosmetics exchanged unsatisfactory cosmetics at the store they bought when they were not satisfied with the flavor or skin troule. 5. Delightful and enjoying type showed the least faithfulness to their home and school life. They put on partial make-ups for the correction of facial defects or etiquette. 6. Passive and stagnate type enjoyed home life but were passive in real life and open-mindness They got cosmetics information from marketer-oriented information sources bought cosmetics at discount stores considered price most important when selecting cosmetics put on basic or at least mke-ups to protect their skin had the least experience in the imported cosmetics and refill products.

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몽골에서의 지열 시스템 적용을 위한 주택 에너지분석 (Analysis on Housing Energy for Applying Geothermal System in Mongolia)

  • 김진호;김중헌;신승호
    • 한국지열·수열에너지학회논문집
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    • 제10권2호
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    • pp.19-23
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    • 2014
  • In the capital of Mongolia where the air quality is getting worse due to the coal consumption used for electricity generation and district heating, the application of geothermal systems in the housing sector is recently designed for high class resort. In this study, the case of applying a geothermal system in a house in Mongolia is examined. The effects of passive house design on the needed heat pump capacity, as well as the annual energy consumption are analyzed. Moreover, as the initial costs, except labor fee, are assumed similar to Korea, cost analysis for several cases is examined, too. From the results, if a house is designed according to passive house standard instead of ASHRAE standard, the heat pump capacity can be expected to be reduced from 16 to 5~6 RT. Furthermore, although the initial cost of architectural cost might increased by 29 M\, the total initial cost is reduced by 14 M\, while the annual energy consumption is reduced by 14%. This is mainly driven by the fact that the geothermal system which serves as the main system to cover the building needs, with a high initial cost for fulfilling the peak requirements.

방송사 건물의 친환경 설계 적용 요소에 대한 에너지 소비 분석 연구 (The Energy Consumption Analysis for the Eco-friendly Design Application Factors of a Broadcasting Building)

  • 김배영;윤혜경
    • 대한건축학회논문집:계획계
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    • 제34권2호
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    • pp.41-48
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    • 2018
  • This study is expected to provide some basic data on how to apply more economical and efficient eco-friendly factors to reduce the carbon emissions. It has been scrutinized and analyzed the environmental factors of passive eco-friendly elements along with active eco-friendly elements as more efficient factors for energy conservation based on the case of a newly constructed broadcasting building with the green building certification in Sangam-dong DMC area. The first analysis was the energy consumption trends in Korea and the necessity of energy saving. Secondly, it was examined the energy consumption in the current status of the broadcasting building. Thirdly, it was looked into the correlation between the eco-friendly design application factors applied to the broadcasting building and the energy consumption types. As a result of the analysis, the application of fan and feed pump inverter along with ventilation system of waste heat recovery ventilation system were more meaningful in accordance with the economic feasibility of broadcasting buildings rather than economical effect of passive elements such as rooftop garden, reinforcement of building insulation. Also, the application of lighting control had the economical feasibility. Therefore, when it is intended to change the green building certification energy related evaluation items of the similar broadcasting building types, it is necessary to change the direction of adding weight to the more economical active element items in the future.