• Title/Summary/Keyword: New energy

Search Result 12,930, Processing Time 0.049 seconds

Risk Management and Governmental Investment on New & Renewable Energy (Risk Management 관점에서 신재생에너지 투자)

  • Ahn, Eun-Young
    • 한국신재생에너지학회:학술대회논문집
    • /
    • 2006.06a
    • /
    • pp.360-363
    • /
    • 2006
  • Regester & Larkin(2005) suggest the issue and risk lifecycle analysis method in risk management, made up of the potential, emerging, current, crisis, and dormant stages. Investment on New & Renewable Energy is meaningful in effect ive risk management for diminishing or reducing the shock of a energy current, at the potential stage. In this study, we survey the risk of traditional fossil fuel projects and develop the risk analysis model for new & renewable energy projects specially geothermal energy resources and gas-hydrate resources.

  • PDF

The Establishment of the GIS based Resource Map System for New and Renewable Energy (GIS 기반 신재생에너지 자원지도시스템 구축)

  • Yun, Chang-Yeol;Kim, Kwang-Deuk;Jeong, Jae-Hyuck
    • New & Renewable Energy
    • /
    • v.2 no.4 s.8
    • /
    • pp.27-32
    • /
    • 2006
  • New and renewable energy information becomes one of the greatest issues because of serious environment problems and limited fossil resources. However, There are few system to manage and utilize new and renewable energy information efficiently. Therefore this study establish the GIS based Resource Map System to save and analyze new and renewable energy information about solar energy, wind power, small hydro, biomass, and geothermal. This Resource Map System is composed of the management system, practical system, field system, and Web-service system. This System can provide various spatial analysis tools such as data searching, creating thematic maps, evaluating location requirements for energy facilities.

  • PDF

Lanthanum Nickelates with a Perovskite Structure as Protective Coatings on Metallic Interconnects for Solid Oxide Fuel Cells

  • Waluyo, Nurhadi S.;Park, Beom-Kyeong;Song, Rak-Hyun;Lee, Seung-Bok;Lim, Tak-Hyoung;Park, Seok-Joo;Lee, Jong-Won
    • Journal of the Korean Ceramic Society
    • /
    • v.52 no.5
    • /
    • pp.344-349
    • /
    • 2015
  • An interconnect is the key component of solid oxide fuel cells that electrically connects unit cells and separates fuel from oxidant in the adjoining cells. To improve their surface stability in high-temperature oxidizing environments, metallic interconnects are usually coated with conductive oxides. In this study, lanthanum nickelates ($LaNiO_3$) with a perovskite structure are synthesized and applied as protective coatings on a metallic interconnect (Crofer 22 APU). The partial substitution of Co, Cu, and Fe for Ni improves electrical conductivity as well as thermal expansion match with the Crofer interconnect. The protective perovskite layers are fabricated on the interconnects by a slurry coating process combined with optimized heat-treatment. The perovskite-coated interconnects show area-specific resistances as low as $16.5-37.5m{\Omega}{\cdot}cm^2$ at $800^{\circ}C$.

Comparison of Offshore Wind Retrieval Software from SAR Satellite Imagery (SAR 위성영상 해상풍 추출 소프트웨어 비교)

  • Kim, Hyun-Goo;Hwang, Hyo-Jung;Kang, Yong-Heack;Yun, Chang-Yeol
    • New & Renewable Energy
    • /
    • v.9 no.3
    • /
    • pp.14-19
    • /
    • 2013
  • Comparative evaluation of offshore wind retreival software, which use the satellite images taken by Synthetic Aperture Radar sensor; SARTools of CLS-SOPRONO, France and SpaceEye of London Research and Development Corporation, Canada is carried out. For a reference satellite image, ENVISAT ASAR imagery of Jeollanam-do Wan-do area when the winter-time northwestern wind prevails is processed by CMOD_IFR2, CMOD4, CMOD5 algorithms. Wind speed difference and its relative ratio are calculated to evaluate uncertainty of software selection.

A Study on the Improvement of New and Renewable Energy Certification Criteria in the Green Building Certification System (녹색건축 인증제도의 신·재생에너지 인증기준 개선에 관한 연구)

  • Lee, Mi-Ryeong;Park, Ji-Hye;Haan, Chan-Hoon;Tae, Choon-Seob
    • Journal of the Korean Solar Energy Society
    • /
    • v.33 no.4
    • /
    • pp.80-88
    • /
    • 2013
  • Deploying new and renewable energy should be encouraged due to scarce of natural resources and to reduce the $CO_2$ emission. Regarding the Green Building Certification System, '2.2.1 new and renewable energy use', and '2.3.1 carbon dioxide emission reductions' are related to new and renewable energy. Applying new and renewable energy can achieve the score in two criteria mentioned above and most of buildings get a perfect score in the green building certification system. So these criteria needs to be revised to have discrimination. In this study, supply rate of new and renewable energy of the buildings that have achieved Green Building Certification by E Green Building Certification Institute was analyzed. The improvement of assessment criteria related to new and renewable energy is proposed and could be applied to the revisions.

Low-energy Tall Buildings? Room for Improvement as Demonstrated by New York City Energy Benchmarking Data

  • Leung, Luke;Ray, Stephen D.
    • International Journal of High-Rise Buildings
    • /
    • v.2 no.4
    • /
    • pp.285-291
    • /
    • 2013
  • This paper proposes a framework for understanding the energy consumption differences between tall and low-rise buildings. Energy usage data from 706 office buildings in New York illustrates expected correlations from the framework. Notable correlations include: taller buildings tend to use more energy until a plateau at 30~39 floors; tall buildings in Manhattan use 20% more energy than low-rise buildings in Manhattan, while tall buildings outside Manhattan use 4% more energy than low-rise buildings outside Manhattan. Additional correlations are discussed, among which is the trend that the Energy Star program in New York City assigns higher ratings to tall buildings with higher EUIs than low-rise buildings with the same EUI. Since Energy Star is based on regressions of existing buildings, the Energy Star ratings suggest taller buildings have higher EUIs than shorter buildings, which is confirmed by the New York City energy benchmarking data.

The Development of the Management System and GIS Based Information Strategy Planning for New Renewable Energy (신재생에너지에 대한 GIS기반의 정보화전략계획 수립 및 통합관리 시스템 개발)

  • Kim, Kwang-Deuk;Jeong, Jae-Hyuck;Yun, Chang-Yeol
    • Journal of the Korean Solar Energy Society
    • /
    • v.26 no.2
    • /
    • pp.43-51
    • /
    • 2006
  • New renewable energy information becomes one of the greatest issues all over the world because of serious environment problems and limited fossil resources. The new renewable energy source information system is treated seriously for efficient management and distribution as dealing with these energy problems. However, it is difficult to manage and utilize new renewable energy information because gathering and surveying information is progressed individually in each research field. Therefore this paper will establish ISP(Information Strategy Planning) and propose the basic management system based-on GIS to analyze new renewable energy such as solar energy, wind power, small hydro, biomass, geothermal etc. and build the integration management system. The proposed integration management system can provide spatial analysis using thematic map, data search, data import/export and interpolation about users' queries.

Methods to Predict Demand for Workforce in New & Renewable Energy Industry (신.재생에너지 인력수요전망 방법론 및 사례 연구)

  • Lee, You-Ah;Heo, Eunn-Yeong
    • New & Renewable Energy
    • /
    • v.7 no.3
    • /
    • pp.36-45
    • /
    • 2011
  • Prediction of demand for workforce in new and renewable energy is precondition for sustainable growth of an industry. The purpose of this research is to review prediction methods and case studies of workforce in new and renewable energy industry. This research compares the three methods in the focused on possibility of applying in renewable energy industry; survey, input-output and labor function estimation methods. Also, three cases are reviewed in the focused on applied method; Korea, America and Australia. As a result, the survey method was wildly used in the new and renewable industry. Also the improvement rates of work force are difference depending on the methodology. This result can be applied to set up the policy of human resource development of renewable energy.

Survey and Analysis of Power Energy Usage of University Buildings (대학건축물의 전력에너지 사용량 조사 및 분석)

  • Youn, Nam Sik;Kim, Jeong Tai
    • KIEAE Journal
    • /
    • v.13 no.2
    • /
    • pp.27-32
    • /
    • 2013
  • For the past seven years, the increase in the energy consumption of universities in Korea has been 3.7 times higher than the overall increase in the energy consumption across Korea (22.5%). This is an example that shows that universities have been a massive source of greenhouse gases. Such an increase has been attributed to the new and expanded construction of architectural structures on campus. Many people argue that the increasing number of buildings may cause waste of energy and loss of efficiency. Therefore, this study was conducted as a preliminary study to derive energy efficiency measures for new university buildings. The two aspects of energy-saving as required by the eco-friendly structure certification standards have been applied to analyze the use of new/renewable energy and the energy consumption of new university buildings that have applied light density and light engineering methods. Based on these results, the major sources of energy of existing buildings and new university buildings were compared to comparatively discuss how effectively they improve energy performance.