• 제목/요약/키워드: Environmental-friendly system

검색결과 774건 처리시간 0.025초

게스케(Geske) 모델을 이용한 신재생에너지사업의 경제성 분석 (The Economic Evaluation of the Renewable Energy Projects using the Geske Model)

  • 심재훈
    • 산업경영시스템학회지
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    • 제45권4호
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    • pp.31-41
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    • 2022
  • As the environmental impacts of fossil fuel energy sources increase, the South Korean government has tried to change non-environmental-friendly enery sources to environmental-friendly energy sources in order to mitigate environmental effects, which lead to global warming and air pollution. With both a limited budget and limited time, it is essential to accurately evaluate the economic and environmental effects of renewable energy projects for the efficient and effective operation of renewable energy plants. Although the traditional economic evaluation methods are not ideal for evaluating the economic impacts of renewable energy projects, they can still be used for this purpose. Renewable energy projects involve many risks due to various uncertainties. For this reason, this study utilizes a real option method, the Geske compound model, to evaluate the renewable energy projects on Jeju Island in terms of economic and environmental values. This study has developed an economic evaluation model based on the Geske compound model to investigate the influences of flexibility and uncertainty factors on the evaluation process. This study further conducts a sensitivity analysis to examine how two uncertainty factors (namely, investment cost and wind energy production) influence the economic and environmental value of renewable energy projects.

패션업체의 지속가능한 기업이미지 포지셔닝을 위한 로하스 마케팅 전략 -국내·외 사례분석을 중심으로- (LOHAS Marketing Strategy of Fashion Company for Sustainable Image Positioning -Focus on Domestic and Foreign Case Analysis-)

  • 홍인숙;김유정
    • 한국의류학회지
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    • 제35권9호
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    • pp.1069-1084
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    • 2011
  • This study investigates the main trend of LOHAS, examines and analyzes the LOHAS marketing cases of the fashion industry, and proposes an effective LOHAS marketing strategy for the domestic fashion market. Data were collected from Naver, Google and Daum from 2005 (when LOHAS began to be recognized) to October $31^{st}$ 2010. We searched the research material with keywords related to the research subject (such as eco, green, well being, echo-friendly, LOHAS, sustainable, environmental management, and green management) to conduct a theoretical and exploratory study through qualitative analysis. The data are analyzed with three types such as personal value of eco-friendly fabric, economical value of recycled fabric and re-use or re-form, and social-ethical value of distribution and promotion. The research results show that LOHAS marketing activities focused on personal values and social-ethical values (rather than economical value) and from an eco-friendly management centered on merchandise; in addition, an eco-friendly supply chain management incorporated with a management system were applied. LOHAS marketing strategies at home and abroad revealed some differences in the cases of eco-friendly fabric, recycling, and fair trade.

환경 친화적 철도노선대 선정을 위한 주요환경 영향인자에 관한 연구 (A Study on The Major Environmental Effecting Factors for The Selection Environment-Friendly Railway Corridor)

  • 김동기
    • 대한환경공학회지
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    • 제31권2호
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    • pp.132-138
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    • 2009
  • 철도는 다른 육상교통수단보다 환경 친화적이며 에너지 효율성이 높은 교통수단이다. 철도노선 선정과정에서 예비타당성 수행은 에너지 효율성과 환경에 관한 문제들이 일반적으로 고려되고 있지 않다. 철도노선 선정은 지형적인 특성 그리고 시설물의 관리와 운영을 중심으로 선정되고 있다. 철도노선선정에 영향을 미치는 환경관련 문제에 대해서 본 연구는 집중적으로 검토 분석하였다. 본 연구는 철도 및 환경전문가 그리고 철도 노선선정에 관련된 전문가 의견 을 검토 분석하여 환경에 영향을 미치는 주요 인자를 추출하였다. 철도노선 선정과정에서 환경에 미치는 영향을 알 수 있는 환경영향평가 항목을 선정하였다. 환경 친화적인 철도노선 대 선정을 위하여 환경영향평가 항목 6개 분야 20개로부터 7개의 환경항목(지형 지질, 동식물상, 자연 환경자산, 대기질, 수질, 소음 진동, 문화재 경관)을 추출하였다. 철도노선을 선정하기 위해서는, 여러 대안이 비교되어야 하고 각 대안의 평가는 이 7개 환경항목을 기준으로 하여 실행되어야 한다. 최적의 철도노선선정은 7개의 환경항목을 고려하는 포괄적인 평가에 의해 선정되어야 한다. 이와 같이 주요 환경항목인자에 의한 평가는 철도건설 투자를 활성화 하는데 이바지 할 것이다.

제품 및 제조공정의 친환경 정보관리를 위한 Green-BOM 개발 (Development of Green-BOM to Manage Eco-friendly Information on Products and Manufacturing Processes)

  • 박용주;신문수;류광열
    • 한국CDE학회논문집
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    • 제17권6호
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    • pp.387-397
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    • 2012
  • The world has faced with various environmental problems such as climatic change, global pollution, and depletion of natural resources. Conventional economic development continues not only to intensify the magnitude of the problems but also to damage growth potential of future generations. Therefore, recent manufacturers are highly required to accommodate themselves to sustainable development that aims at preventing the loss to the future generations. Moreover, the manufacturers are under heavy pressure from various environmental regulations. This paper proposes green bill of material (Green-BOM) which conforms to the environmental regulations to restructure eco-friendly manufacturing system. Green-BOM is useful for managing green product and process information to satisfy several environmental regulations by recording energy consumption, recycle rate, volatile organic compounds (VOCs), substance information, and so on.

친환경 황토타일 생산 제조시스템개발 (Development of Production System for Eco-friendly Ocher Tiles)

  • 한재호;김항우;이연신
    • 한국생산제조학회지
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    • 제24권2호
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    • pp.256-262
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    • 2015
  • This study has an innovative improvement of the ocher tiles production system that aims to resolve social issue of industrial waste and to meet the customer needs for environmental-friendly building materials. By changing a wet type cutting method to a dry type of ocher tiles production system, the three processes such as cleaning, dehydration, and drying can be removed in existing overall process of 17 steps. Accordingly, the application of the wet type cutting method, which is proposed in this study, makes an increase in ocher tiles production from 1,500 to 1,850 pieces per hour. In particular, industrial wastewater that was emerging as the biggest problem in environmental pollutants in the wet cutting method has been removed. In addition, the most serious problems of noise and dust from the operator side, while developing a device for the dry cutting method, are eliminated through the development of additional equipment.

농촌재난마을 주민친화형 마을환경개선 콘텐츠 적용방안에 관한 연구 (A Study on the Inhabitant-friendly Improving a Village Environment in Rural Disaster Villages)

  • 김은자;박로운;이승철;임창수;박미정;전정배
    • 한국농촌건축학회논문집
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    • 제20권4호
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    • pp.53-64
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    • 2018
  • Disasters that occur most frequently in rural areas are drought, flood, damages from wind and cold weather. In order to overcome the damage caused by natural disasters, various projects related to safety and disaster prevention. However, Government-centered disaster recovery operating system showed difficulties to utilize the natural scenery and ecological environment of rural villages. So the participation of the residents is necessary. Therefore, this study aims to find a more effective disaster recovery direction by suggesting the application method, Inhabitant-friendly improving a village environment contents in Rural Disaster Villages, for continuous disaster management. The research methods were literature analysis, interviews, and expert discussion. As a result, it was found that the rural disaster village environmental improvement facilities, inhabitant-friendly recovery system, and inhabitant-friendly village environment contents and suggests a application method of inhabitant-friendly village environment contents. The research will be used as basic data when preparing a guide for improving the environment for residents in rural villages.

승용 CR 연료분사시스템에 대한 유압 Modal 분석 (Hydraulic Modal Analysis of High-Pressure Common-rail Fuel Injection System for Passenger Vehicle)

  • 성기수;김상명;김진수;이진욱
    • 한국분무공학회지
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    • 제20권1호
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    • pp.14-19
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    • 2015
  • Recently, R&D demand for environmental friendly vehicle has rapidly increased due to its global environmental issues such as global warming, energy and economic crisis. Under this situation, the most realistic alternative way for environmental friendly vehicle is a clean diesel vehicle. The common-rail fuel injection system, as key technology of clean diesel vehicle, consists of a high pressure pump, common-rail, high pressure fuel line and electronic control injector. In common-rail high-pressure fuel injection system, high pressure wave of injection system and geometry of injector elements have a major effects on high-pressure fuel spray. Therefore, in this study, the numerical model was developed for analysis about the common-rail fuel pressure pulsation by using AMESim code. We could secure stability of common-rail high-pressure fuel injection system through optimal design of fuel line.

품질인증 친환경농산물의 소비자가치 추정 및 유통정책 방향에 관한 연구 - 천안지역의 쌀, 상추, 두부를 중심으로 - (A Study on the Development Strategies and Measuring Consumer′s Willingness to Pay for the Quality-Certificated Environmental-Friend Products - Focused on Rice, Lettuce, and Bean Curd at Cheonan-city)

  • 정찬웅;허승욱;김호
    • 한국유기농업학회지
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    • 제11권2호
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    • pp.23-42
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    • 2003
  • The study must have standpoints for the stable market construction of the Environmental-Friendly agricultural products of the quality-certificated which has rapidly grown due to a discussion of the environment and agriculture, income increase and the interests on foods stability. The survey was conducted through face-to-face interview of 200 adults who are in their twenties or more in Cheonan-city. In this research, the Environmental-Friendly agriculture was a clean agriculture not using a fertilizer or chemicals and the agriculture which protects the environment by preventing the environmental pollution. In the analyses of the consumer's willingness to pay, the rice showed 69,851 won, and a lettuce and bean-curd showed 947 won and 1.412 won respectively. In terms of current issues of the policy, to establish the stable circulation structure and consumption strategy, there must be a clearness raise of the Quality Authentication (QA) Mark. To raise the trust through quality authentication, there must be transparency raise of information by distribution stages and the thorough post management of the official institutes. Also, to persue the competitive product differentiation, there must be the settlement of the product brand on the market, development of the new production technology and a classification of consumers by incomes. Finally to construct stable distribution and price system, there must be active participation of the local agricultural cooperatives in the distribution of the Environmental-Friendly agricultural products of the quality-certificated and the understanding of the proper price of the consumer market and flexible strategy of the price change.

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환경 친화적 철도건설에 따른 소음.진동의 평가기준 (Study on the Evaluation Standard of Noise and Vibration for Environment-Friendly Railway Construction)

  • 김동기;박병은;한승우
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2007년도 춘계학술대회논문집
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    • pp.473-478
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    • 2007
  • The energy efficiency and environment-friendly aspect of the railway system would be superior to other on-land transportation systems. In a preliminary feasibility study stage, the energy efficiency and problems related with environment are usually not considered. The railway noise and vibration which could be reasons of environmental problems are focused and studied in this paper. The investment for railway systems could be encouraged by the considering of main environmental elements evaluated with the modified noise and vibration standard for environment-friendly railway construction.

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환경 친화적인 철도 노선선정 정량화 기법 사례의 검토 (Review Study on Method of Valuation Basis on Selction for Envioronment - Friendly Railway Alignment by AHP(Analytic Hierarchy Process))

  • 김동기;권영철;김성용
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2007년도 춘계학술대회 논문집
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    • pp.412-417
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    • 2007
  • The energy efficiency and environment-friendly aspect of the railway system would be superior to other on-land transportation systems. In a preliminary feasibility study stage, the energy efficiency and problems related with environment are usually not considered. Selection of optimal railway line is taken into consideration include of the purpose of railway, geographical features and facility of management. The railway Alignment which could be reasons of environmental problems are focused and studied in this paper. This study performed opinions of specialists, checking of industrial environment, analysis of bid guideline to select the optimal line and executed AHP method to make quality model and choose weight factors. The investment for railway systems could be encouraged by the considering of main environmental elements evaluated with the modified noise and vibration standard for environment-friendly railway construction.

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