• 제목/요약/키워드: Nuclear Energy Policy

검색결과 181건 처리시간 0.026초

국가전력생산 시스템에 대한 전 과정 영향평가 (Life Cycle Assessment for National Electricity Generation Systems)

  • 김태운;김성호;정환삼;하재주;민경란;고순현
    • 한국에너지공학회:학술대회논문집
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    • 한국에너지공학회 2004년도 춘계 학술발표회 논문집
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    • pp.353-358
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    • 2004
  • In recent, the trends in national energy Policy are established in the context of the integrated risk estimation for various national electricity generating options. The approach takes account of health, environmental, economic, and social aspects of electricity generation systems. In the present work, nuclear, coal, and LNG sources are chosen because these hold more than 90% of national total electricity generation in a descending order. A life cycle assessment (LCA) methodology is used for comparing environmental impacts of these options during the life cycle such as construction, operation as well as disposal stages. Here, the LCA consists of life cycle inventory analysis, classification/selection process of impact categories, characterization process, and normalization process of each category. LCA can be an useful tool for environmental impact assessment of future national energy options. At the planning stage of future energy Policies, the results of LCA would be taken into consideration. According to data update at the construction and disposal stages, the LCA needs to be conducted iteratively.

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Evaluation of Unavailability of the Containment Spray System by use of a Cause-Consequence Chart

  • Park, Gwi-Tae;Chun, Hee-Young;Lee, Chang-Kun
    • Nuclear Engineering and Technology
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    • 제11권3호
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    • pp.195-202
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    • 1979
  • In this paper, a cause-consequence chart is applied to evaluate the probability that the containment spray system in a nuclear power plant may not be woring properly, given a demand for spryaing at loss of coolant accident (LOCA). It is shown how the diagram provides a basis for calculating two probability measures for malfunctioning of this system, in case the test policy of the system is taken into account, i.e., average probability that the containment spray cannot be established, and average probability that the containment spray is established : spray stops before the required operating time is over.

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다속성 효용분석을 이용한 원자력연구개발과제 사후평가지표 개발 (A multi-attribute index for evaluating of national nuclear R&D prniects in Korea: multi-attribute utility analysis)

  • 곽승준;유승훈;김찬준
    • 기술혁신학회지
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    • 제5권1호
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    • pp.90-109
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    • 2002
  • The national nuclear R&D projects have been implemented for the purpose of supply of nuclear power which was proved to be safety and stability. Evaluating the national nuclear R&D projects has critical importance in nu-clear energy management aspect. This paper employs multi-attribute utility analysis as a basis for obtaining an evaluation index to assess the national nuclear R&D projects using a specific case study of Korea. To structure and quantify basic values for the evaluation, we elicited important attributes, then refined and structured them into a hierarchy. A multi-attribute index is constructed as a multi-attribute utility function, based on value judgments provided by a group of technical experts, policy makers, and faculties. As a result, the objective of attainment of a proposed object is given the highest priority, followed by appropriateness of project and research strategy, utilization of research output, within attribute ranges defined for the attributes. We found that the work and results of this study can provide valuable insights and decision opportunities for virtually all major decision making in evaluation of the national nuclear R&D projects in Korea.

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후발국 신재생에너지기술개발의 동력: 한국의 신재생에너지기술개발사업 사례연구 (The Socio-technical Constituency behind New & Renewable Energy Technology Development in a Latecomer: The Case study of New & Renewable Technology Program of Korea)

  • 임홍탁;김신
    • 에너지공학
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    • 제20권4호
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    • pp.267-277
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    • 2011
  • 후발국에서의 신재생에너지기술의 개발은 어떤 힘에 의해서 추동될까? 후발국의 '녹색 성장'은 '녹색'의 가치 실현을 위해서 추동되는가 아니면 '성장'을 지속하기 위한 새로운 분야의 개척인가? 본 연구는 한국의 신재생에너지 기술개발사업 사례 분석을 통해 후발국 신재생에너지기술개발의 동력에 대한 이해를 돕고자 한다. 환경문제와 기술개발, 기술개발과 '사회기술연맹' 그리고 후발국 '권위주의적 발전국가론'에 대한 기존의 논의를 통해 기술 개발의 동력은 사회기술연맹의 구성에서 찾을 수 있다는 것에 착안하여 연구의 틀을 구성하였고 이를 토대로 선발국 덴마크와 독일의 사례를 분석한 후 한국의 신재생에너지기술개발사업 사례를 분석하였다. 한국은 선진국과는 다르게 산업계와 정부 주도의 성장동맹을 바탕으로 신재생에너지기술개발이 추진되었고 환경시민단체는 정부의 시민단체 국정 참여 정책에 힘입어 신재생에너지정책협의회에 참여함으로써 사회기술연맹을 구성하였다. 따라서 한국의 신재생에너지 사회기술연맹은 '녹색'의 가치 실현보다는 '성장'중심이라는 한계를 갖는다.

핵폐기장 유치에 대한 텔레비전 뉴스 프레임 분석 -KBS, MBC의 전국 및 지역(전북지역) 뉴스를 중심으로- (Framing an Issue of Building a Nuclear Waste Site on Television News)

  • 나미수
    • 한국언론정보학보
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    • 제26권
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    • pp.157-208
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    • 2004
  • 본 연구는 2003년도 중요란 국책사업의 하나로서 첨예한 사회적 갈등이 나타났던 핵폐기장 유치 이슈를 텔레비전 뉴스보도가 어떠한 시각에서 다루고 해석, 평가함으로써 이슈에 대한 성격을 어떻게 규정하고 있는지 살펴보고자 하였다. 이를 위해 본 연구는 핵폐기장 유치선언이 있던 2003년 7월 11일부터 유치 재검토가 발표된 12월 10일까지 5개월 동안 보도된 핵폐기장 유치이슈에 대한 KBS, MBC 저녁종합뉴스의 전국 및 지역(전북지역) 뉴스에 대한 프레임분석을 실시하였다. 분석결과 중요한 국책사업으로서 사회적 논란이 많았던 핵폐기장 유치 이슈는 길 등의 원인과 해결보다는 주민들의 시위와 사회적 혼란만 부각시키는 양상을 보였다. 따라서 갈등의 근본원인이자 이슈의 보다 본질적인 사안이라 할 수 있는 선정 절차상의 정당성 문제라든가 위도지역의 지질 적합성, 안전성 문제, 에너지 정책 등의 문제는 제대로 다루어지지 않았다. 결국 텔레비전 뉴스보도에서 핵폐기장 유치이슈는 국가정책적 이슈라기보다는 지역 내 집단간 분쟁으로 그 성격이 규정되고 있음을 알 수 있다.

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단일 모듈 반사경을 이용한 태양열 집열 시스템의 설계, 제작 및 온도측정 시험연구 (Design, Fabrication and temperature measuring experiments of solar collecting system using a single module reflectors)

  • 양병수;양우;서태일;손창우
    • Design & Manufacturing
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    • 제13권1호
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    • pp.19-24
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    • 2019
  • Currently, the world is paying keen attention to the production of renewable energy along with environmental issues, and the share of renewable energy in the world is rising above that of nuclear power. Especially when Korea, which is heavily dependent on foreign countries, needs to reconsider its national competitiveness due to the recent high oil prices, the government's energy policy is to develop and use renewable energy that replaces fossil fuels. In particular, solar energy, the most actively studied and commercialized field of renewable energy, is the main research for solar energy and is commercialized and used. However, the efficiency of solar energy has already reached saturation. Studies are also focusing on increasing the reflectivity of solar energy to increase efficiency. Therefore, this paper proposes a solar collection system that can utilize solar energy rather than solar energy. The proposed solar heat collection system uses solar tracking systems to effectively collect solar energy, particularly those that can be easily produced using single-modular reflectors and have price competitiveness. In addition, temperature measurement experiments with temperature measuring sensors were conducted to ensure reliability in order to verify the results interpreted.

일본에서의 기체분리막의 현황 및 응용 (Applications and a View of Gas Separation by Membranes in Japan)

  • Nakagawa, Tsutomu
    • 멤브레인
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    • 제4권1호
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    • pp.9-29
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    • 1994
  • The development of separation technology is an important research subject as is clear from its role in the Japanese government's research and development program for basic technology for the next generation(1981~1990). Japan is poor not only in mineral resources but also in energy resources and if a sudden change occurs in oil producing facility or an accident occurs in a nuclear power plant, then energy policy must undergo changes and economic foundations may collapse. Japan has already experienced this. Although, oil prices are stable at present and Japan can import oil at low cost due to the yen appreciation, Japan needs to promote development work for any new energy crisis that may come in the future. This has been the motive for gas separation membrane development in Japan. The study of gas permeation through polymer membranes, which is the basis for membranes for gas separation, at Japanese universities began many years ago, but interest in membranes for gas separation was aroused mainly by the Government. The development of gas separation membranes in Japan started with membranes for oxygen separation on an industrial scale.

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일본에서의 기체분리막의 현황 및 응용 (APPLICATIONS AND A VIEW OF GAS SEPARATION BY MEMBRANES IN JAPAN)

  • Nakagawa, Tsutomu
    • 한국막학회:학술대회논문집
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    • 한국막학회 1994년도 심포지움시리즈 Jan-94 기체분리막 기술 및 응용
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    • pp.23-52
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    • 1994
  • The development if separation technology is an important research subject as is clear from its role in the Japanese government's research abd development program for basic technology for the next generation (1981~1990). Japan is poor not only in mineral resources but also in energy resources and if a sudden change occurs in oil producing facility or an accident occurs in a nuclear power plant, then energy policy must undergo changes and economic foundations may collapse. Japan has already experienced this. Although, oil prices are stable at present and Japan can import oil at low cost due to the yen appreciation, Japan needs to promote development work for any new energy crisis that may come in the future. This has been the motive for gas separation membrane development in Japan.

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The Japan Health Physics Society Guideline on Dose Monitoring for the Lens of the Eye

  • Yokoyama, Sumi;Tsujimura, Norio;Hashimoto, Makoto;Yoshitomi, Hiroshi;Kato, Masahiro;Kurosawa, Tadahiro;Tatsuzaki, Hideo;Sekiguchi, Hiroshi;Koguchi, Yasuhiro;Ono, Koji;Akiyoshi, Masahumi;Kunugita, Naoki;Natsuhori, Masahiro;Natsume, Yoshinori;Nabatame, Kuniaki;Kawashima, Tsunenori;Takagi, Shunji;Ohno, Kazuko;Iwai, Satoshi
    • Journal of Radiation Protection and Research
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    • 제47권1호
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    • pp.1-7
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    • 2022
  • Background: In Japan, new regulations that revise the dose limit for the lens of the eye (hereafter the lens), operational quantities, and measurement positions for the lens dose were enforced in April 2021. Based on the international safety standards, national guidelines, the results of the Radiation Safety Research Promotion Fund of the Nuclear Regulation Authority, and other studies, the Working Group of Radiation Protection Standardization Committee, the Japan Health Physics Society (JHPS) developed a guideline for radiation dose monitoring for the lens. Materials and Methods: The Working Group of the JHPS discussed the criteria of non-uniform exposure and the management criteria set not to exceed the dose limit for the lens. Results and Discussion: In July 2020, the JHPS guideline was published. The guideline consists of three parts: main text, explanations, and 26 examples. In the questions, the corresponding answers were prepared, and specific examples were provided to enable similar cases to be addressed. Conclusion: With the development of the guideline on radiation dose monitoring of the lens, radiation managers and workers will be able to smoothly comply with revised regulations and optimize radiation protection.

Radiation risk perception and its associated factors among residents living near nuclear power plants: A nationwide survey in Korea

  • Sung, Hyoju;Kim, Jung Un;Lee, Dalnim;Jin, Young Woo;Jo, Hyemi;Jun, Jae Kwan;Park, Sunhoo;Seo, Songwon
    • Nuclear Engineering and Technology
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    • 제54권4호
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    • pp.1295-1300
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    • 2022
  • There has been increased interest in researching risk perception of radiation to implement successful risk communication, particularly given the recent worldwide nuclear policy movement regarding nuclear energy. This study aimed to investigate characteristics of risk perception among residents living near normally operating nuclear power plants in South Korea by identifying factors associated with risk perception. A survey was conducted with face-to-face interviews for 1200 residents aged 20e84 years by gender- and age-stratified random sampling. Risk perception was associated with trust perception in nuclear safety, but was not highly correlated with benefit perception for utilizing nuclear power. Relatively high risk perception was observed in women, older age groups, and residents not having experience of nuclear-related education or work. This association remained after adjusting for other factors including benefit perception, trust perception, and psychological distress. In addition to these individual characteristics, risk perception was also associated with a residential district's own unique context, indicating that a strategy of risk communication should be developed differently for residents facing nuclear-related circumstances. Given that risk perception can be changed, depending on social values such as safety culture and economic setting, further studies are required to understand the changing characteristics of radiation risk perception.