• Title/Summary/Keyword: energy resource development

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Comparison and Analysis of Domestic and Foreign Building Energy Rating Systems (국내외 건물 에너지성능 인증제도 비교, 분석)

  • Song, Seung-Yeong;Lee, Soo-Jin
    • Journal of the Korean Solar Energy Society
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    • v.27 no.4
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    • pp.77-85
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    • 2007
  • With the increase in the demand for sustainable and environment-friendly development all over the world, it becomes an urgent issue for Korea to reduce $CO_2$ emission. Since building industry accounts for about 40% of international energy and resource consumption and $30{\sim}40%$ of $CO_2$ emission, it is essential to prepare for energy-efficient building. This study aims to seek for improvement direction for a domestic Building Energy Efficiency Rating System through the comparison with foreign systems. Two foreign building energy rating systems which have the similar application scope with domestic one, HERS(Home Energy Rating System) and SAP(Standard Assessment Procedure)2005 were selected. As compared with foreign systems, we intended to suggest improvement direction for effective application of Building Energy Efficiency Rating System in Korea.

On Low-Carbon Green Waterfront Cities (해외 저탄소 녹색수변도시)

  • Kwon, Yong-Woo;Wang, Kwang-Ik;Yu, Seon-Cheol
    • Journal of the Korean Geographical Society
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    • v.45 no.1
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    • pp.1-10
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    • 2010
  • Low-carbon green waterfront cities for overseas cases were reviewed to propose the direction for Korea. The implications suggested include energy saving by resource circulation, compact land use planning, transit oriented development, and utilization of renewable energy. These in turn suggest the following implementations; (1) Energy saving according to compact city, complex land use, and transit oriented development, (2) Renewable energy use in buildings and daily lives, (3) Expansion of green space for carbon mitigation and improved quality of life, and (4) Water and resource circulation system. We finally discussed that development of the green waterfront cities in Korea requires the fundamentals of low-carbon green waterfront cities achieved by overseas cases study and technical investigation.

Creating and Using BIM waste energy map Study on Energy Management

  • Kim, Hye-Mi;Hong, Won-Hwa
    • Proceedings of the Korean Association of Geographic Inforamtion Studies Conference
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    • 2010.09a
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    • pp.291-291
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    • 2010
  • Emerging global economic growth and increasing demand for energy supply and demand imbalance and the excessive use of fossil fuels existing the rapidly increasing greenhouse gas emissions and resource depletion of global energy crisis is deepening. Accordingly, improvement of living conditions around and through the natural ecological preservation and the need for a comfortable life for the meeting the importance of energy management and consumption are emerging. Many in the field of architecture for energy-saving measures and conducts research and analysis from the early stages to verify the energy performance of BIM (Building Information Model) technology development and commercialization through the building's energy performance to an objective technology forecasts Analysis of the existing building energy performance in waste management also possible that "BIM-based green building process, the possibility of" suggested. In this study, BIM through the analysis of information using the structures for the management of waste, energy and physical data collected by Mapping it can effectively plan resources for recycling were analyzed.

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Development of Sensor Based Energy Management System (센서기반 에너지 모니터링 프로토타입 시스템)

  • Um, Dae-Jin;Choi, Jung-In;Lee, Ingyu
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.28 no.10
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    • pp.69-74
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    • 2014
  • With the increasing interest of energy efficiency, several buildings and factories begin to monitor energy usages with a built-in energy management system. However, the built-in energy monitoring system does not reflect the dynamics of buildings and factories energy usage. To overcome the latter, we deploy several sensors to monitor the dynamics of buildings energy usage patterns. In this paper, we are proposing a framework of a sensor based energy monitoring system. Based on our limited experiments, we can monitor power usages by a person, device and time period. As a result, we can plan a better energy usage and improve energy efficiency by the monitored energy usage profile data.

An Economic Evaluation about Research and Development for Renewable energy in Korea (대체에러지 기술개발에 대한 수익성 평가분석)

  • 전영서;김진오
    • Journal of Korea Technology Innovation Society
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    • v.7 no.2
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    • pp.325-349
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    • 2004
  • This paper tried to evaluate an economic analysis about research and development far areas of renewable resource in Korea. To evaluate this validity, we tried to calculate the spillover effect of R&D investment through input-output table. In the first stage of spillover effect, we simply calculate the rate of return on R&D investment for renewable energy resources in Korea through the input-output model, which can calculate the value added as well as output based upon the price of 2000 year. According to the first stage calculation, the rate of return on R&B investment in solar heat is higher than any other renewable energy. In the second stage we tried to calculate the second round of spill over effect, which derives from the additional amount of supply of renewable resources due to the R&D investment. The overall evaluation of R&D invesment including the first stage as well as second stage spillover effect shows that bio-energy and waste energy generate 14 times as well as 2.5 times in the rate of return respectively.

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Analyzing the Relation between Energy Intensity, Energy Price and TFP in Korea (에너지 집약도, 에너지 가격 그리고 기술 수준 간의 동태적 관계 분석)

  • Kim, Kijin;Won, DooHwan;Jung, Sukwan
    • Environmental and Resource Economics Review
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    • v.29 no.2
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    • pp.195-217
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    • 2020
  • The improvement of energy intensity is drawing attention as a way to achieve sustainable development. Energy price and technology level are the main factors affecting energy intensity, and empirical studies on the relationship between the variables have been conducted mainly in overseas countries. However, analyzing the relation between energy intensity, energy price and technology has not been studied in Korea. Therefore, this study analyzed the dynamic relationship between energy intensity, energy price, and total factor productivity (TFP) in Korea. As a result of the analysis, the three variables form a long-term equilibrium relationship. The increase in TFP reduces energy intensity in both short and long term, and the long-term effect is greater than short-term effect. On the other hand, energy price do not have a significant impact on energy intensity. Granger causality test results show that energy intensity and TFP granger cause each other, but energy price is weak-exogenous.

Mutilateralism vs. Bilateralism in Chinese Resource Diplomacy : Comparative Analysis on Chinese Foreign Policy toward Central Asia and Africa (중국 자원외교의 다자주의와 양자주의: 중앙아시아 및 아프리카에 대한 중국 자원외교 비교)

  • Kim, Ki-jung;Chun, Ja-hyun
    • Journal of International Area Studies (JIAS)
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    • v.13 no.1
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    • pp.107-133
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    • 2009
  • International relations in the 21st century is featured by boundless competition among nations to secure sufficient energy resources for achieving economic development. Resource diplomacy, therefore, is competitive in its nature, which is derived from the fact that resources of the globe are limited. Chinese recent economic growth has been possible mainly due to its success in resource diplomacy. The Chinese resource diplomacy has shown two different patterns according to target regions. On the one hand, China has pursued multilateral approach to Central Asia region, by which China aimed to secure energy with joint exploration method in the region. Chinese resource diplomacy toward Africa, on the other hand, has been based on bilateral approach combined with unit-centered economic aid to African nations. This difference in Chinese foreign policy pattern seems to be derived from three factors: namely, Chinese strategic considerations on geopolitical condition, regional security sensitivity, and legacies of Chinese long-time non-alignment diplomacy since the 1950s. Whether China is able to maintain the current pattern of resource diplomacy will be depended on how wisely China pursue its relations with two other global powers: Russia in the Central Asia and the U.S. in Africa. In this regard, the Chinese resource diplomacy is expected to work as determining factor of shaping a pattern of tri-lateral strategic relations among the U.S., Russia, and China. Chinese resource diplomacy thus will determine the future direction of the global politics in terms of strategic arrangement.

Economical and Environmental Feasibility of Cultivation under Structure Due to the Introduction of Bio-energy -Comparative Analysis of Wood Pellets and Diesel- (목재펠릿 도입에 따른 시설재배의 경제적.환경적 타당성 분석 -목재펠릿과 경유의 비교분석을 중심으로-)

  • Yang, Jeong-Soo;Yoon, Sung-Yee
    • Korean Journal of Organic Agriculture
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    • v.21 no.3
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    • pp.335-350
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    • 2013
  • With the efforts to development of renewable energy technologies, and increasing awareness to environmental issues, the usage of wood pallets has been increasing every year since the introduction of wood pallet technology to the domestic market. until 2009, majority usage of pellet boiler was in the residential houses. In an effort to increase the distribution of wood pellet boiler to cultivation facilities with high usage of fuels, The Ministry of Agriculture and Forestry has launched a distribution project of wood pellet boiler for fuel usage as a part of the agricultural and fishery energy efficiency projects. Although only small number of farms with a heat-culturing facility have replaced from conventional boiler to pellet boiler. Although part of reason for low usage of pallet boiler is lack of understanding and information of it, the main reasons are high initial cost and uncertainty of its cost efficiency. Also, most people from agricultural industry don't realize it's significance in terms of environmental benefit due to lack of understanding in 'resource circulation' and 'adopting to climate change'. In this study, first, we did a cost-efficiency analysis of the farm which uses a diesel boiler to grow cucumber, tomato, paprika. Then we replaced the diesel boiler to a pallet boiler and measured its cost-efficiency again. By comparing the cost-efficiency of the diesel boiler with the pellet boiler, we analyzed the economic viability of pellet boiler. Then we analyzed viability of pallet boiler usage in terms of 'resource circulation' and 'adopting to climate change'. As a result of our analysis, we have found out that under the current system of government support, the energy usage varies depends of the types crops grown and the higher the energy use, the more cost efficient it is to use the pallet boiler. Also, it is economically viable to use the pallet boiler in terms of 'resource circulation' and 'adopting to climate change'.

A Classification on the Causes of Wind Turbine Accidents (풍력발전기의 사고 발생요인의 분류)

  • Kim, Gui-Shik;Jeong, Ji-Hyun
    • Journal of Power System Engineering
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    • v.19 no.4
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    • pp.76-81
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    • 2015
  • The production of electricity from wind energy is noticed as economic power generation system in the natural resource. Lately, since lots of wind turbine have installed globally, the accidents have increased gradually. In this paper, we classified domestic information for 10 years, information of new energy and industrial technology development organization(NEDO) for 4years and caithness windfarms information forum(CWIF) for 15 years according to part and cause of wind turbine accident. We found that the main causes of accidents are storm, lightening and carelessness. The results of classifying and analyzing the informations, should be used to take measures on the accident prevention of wind turbine.

Improvement of the Using Condition for Domestic New and Renewable Energy (국내 신.재생에너지 도입현황과 개선방안)

  • Park, Jong-Il;Park, Yool
    • Journal of the Korean Society for Geothermal and Hydrothermal Energy
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    • v.5 no.2
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    • pp.7-12
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    • 2009
  • The fossil fuel has been used as the main resource of national development. Through this process, many environmental problems have happened. For example, we depend 97% energy on import for national spending and the exhaustion of the fossil fuel is at an important issue nowadays. So more people are interested in renewable energy which is more environmental and never be gone. However, the supply doesn't go on smoothly because of some problems such as capital condition, the limitation of geographical features and low technology, etc. In conclusion I'd like to check some policies and support systems about renewable energy first, and then to find problems for adapting other area through the comparison in this thesis.

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