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건축물 설계현황 분석을 통한 국내 비주거용 표준건물의 설정에 관한 연구
정영선(Jeong Young-Sun),정해권(Jung Hae-Kwon),장희경(Jang Hee-Kyung),유기형(Yu Ki-Hyung) 한국태양에너지학회 2014 한국태양에너지학회 논문집 Vol.34 No.3
The Korean government plans to introduce the building energy performance standard which regulates the annual energy consumption of buildings. This paper aimed to set up the reference building from database based on the building design trends for non-residential buildings. We surveyed the design data of 435 non-residential buildings which were granted building permission from 2007 to 2011. And we conducted estimation on the heating & cooling load and the energy consumption of the reference building using ECO2 program. From results, the reference building of non-residential buildings was office building which had a total 7 floors and 20,838 ㎡ gross floor area. And it suggests the design reference data of building envelope, HAVC, heat source equipment and lighting system for the reference building. The total annual energy use of the reference building was 151.9 kWh/㎡yr.
신재생에너지 보급 시나리오를 통한 건물부문 온실가스 감축 잠재량 분석
정영선(Jeong Young-Sun),조수현(Cho Suhyun),문선혜(Moon Sun-Hye) 한국태양에너지학회 2021 한국태양에너지학회 논문집 Vol.41 No.6
This study aims to propose a renewable energy scenario for the building sector to reduce greenhouse gas (GHG) emissions and to estimate the potential reduction of emissions in the building sector by 2050, based on this scenario. The types of buildings used for analysis are detached houses, apartments, commercial buildings, and educational buildings. The activity data for the building sector’s projection model are building use type, gross floor area of building use, building energy intensity, and GHG emission factor. The prediction of GHG emissions from this scenario is that they will increase steadily from 2020, peak in 2039, and start declining from 2050. The result shows that the potential reduction in emissions will be about 43.1 million tons of CO2e against business as usual, in 2050.
국가 에너지통계에 따른 건물부문 온실가스 배출량 추계 및 특성
정영선(Jeong, Young-Sun),김태형(Kim, Tae-Hyoung) 대한건축학회 2019 大韓建築學會論文集 : 構造系 Vol.35 No.7
In December 2015, The Paris Agreement was adopted to undertake ambitious efforts to combat climate change. Korean government announced its goal of reducing the country’s greenhouse gas emissions by up to 37% below business as usual projections by 2030 in 2015. The purpose of this study was to set up the calculation methodology of GHG emission(CO2e) in building sector and to estimate the annual GHG emission in building sector based on national energy consumption statistic. The GHG emission from buildings is about 135.8 million ton CO2e as of 2015, taking up about 19.6% of Korea’s entire emission and is about 144.7 million ton CO2e in 2017. The GHG emission of building sector is increasing at annual rate of 2.0% from 2001 to 2017. The GHG emission from electricity consumption in buildings is 91.8 million ton CO2e in 2017, is the highest CO₂ emission by energy source. The results show that the intensity of GHG emission of residential building sector is 40.6 kg-CO2e/㎡·yr and that of commercial building sector is 68.4 kg-CO2e/㎡·yr.
정영선(Jeong, Young-Sun),정해권(Jung, Hae-Kwon) 대한건축학회 2016 대한건축학회논문집 Vol.32 No.6
Energy efficiency is high on the political agenda. There are many countries that have set goals to be less energy-intensive, to consume less energy and to decrease their carbon dioxide emissions. In the final energy consumption of Korea, the building sector accounts for 17.8% of a total energy consumption in 2013. The purpose of this study was to computed the energy intensity of residential building and commercial building using national statistics for building energy policy. Energy intensities are composed of the final energy consumption as numerator and activity data as denominator. Activity data in this study were population, GDP, value added of service sector, number of household & house, number of building mass and floor area. These intensity can be used as a time-series trend analysis and energy efficiency criteria. Energy intensity per floor area in residential building was 13.28×10<SUP>-3</SUP>toe/㎡(154.4Kwh/㎡) in 2013 and was reduced by 43.2% for 1996. Energy intensity per floor area in commercial building was 11.28×10<SUP>-3</SUP>toe/㎡(131.1Kwh/㎡) in 2013 and was reduced by 27% for 1996. The graphs and charts show that the time-series trend of these energy intensity has been consistently low.
건축물 생애과정에서의 이산화탄소 배출량 계산 프로세스에 관한 연구
정영선(Jeong Young-Sun),허정호(Huh Jung-Ho) 한국태양에너지학회 2011 한국태양에너지학회 논문집 Vol.31 No.1
International cooperation to reduce greenhouse gas emissions is expected to provide a big crisis and a great opportunity at the same time for our industry that heavily consumes energy. To cope actively with the international environmental regulation, such as the Framework Convention on Climate Change, quantitative measurement of the volume of greenhouse gases emitted by various industries and quantitative prediction of the greenhouse gas emissions of the future are becoming more important than anything else at the national level. This study aims to propose the calculation process of carbon dioxide(CO₂) emission for building in life cycle. This paper describes and compares 9 different tool for environmental load estimation with LCA. This study proposed the calculation process for quantitatively predicting and assessing CO₂ emissions during the life cycle of buildings based on the life cycle assessment(LCA). The life cycle steps of buildings were divided into the design/supervision, new construction, repair, renovation, use of operating energy in buildings, maintenance, and reconstruction stage in the life cycle inventory analysis and the method of assessing the environmental load in each stage was proposed.
에너지시스템 분석 모형을 활용한 건물부문 에너지수요 전망 연구
정영선(Jeong, Young-Sun),조철홍(Cho, Cheolhung) 한국건축친환경설비학회 2016 한국건축친환경설비학회 논문집 Vol.10 No.5
The demand side management is currently ever more emphasized with a rapid increase of energy consumption and energy-related environmental concerns such as air pollution and climate change. The Republic of Korea, which imports about 97% of its energy resources from overseas, has experienced a growing energy consumption in the past decades mainly coupled with economic growth and its trend seems unlikely to change a lot in a near future. Among other sectors, energy use in building sector increased from 22.0 million TOE in 1990 to 37.9 million TOE in 2012 at the annual rate of 2.5%. The purpose of this paper is to forecast the long-term energy demand for domestic building sector. We broke down the energy consumption by 5(residential) or 6(commercial) specific end-uses and forecast their future demands in the framework of MESSAGE, an energy system model. According to the analysis, The expected energy use for residential sector is 25.4 million TOE and that for commercial sector is 28.3 million TOE in 2035. By 2035, electricity accounts for 57% of total building sector enegy consumption and city gas accounts for 35%. For the specific end-use, space heating and hot water accounts for 40% of building energy use in 2035.
건축 단열재 열전도율 시험 결과의 신뢰성향상을 위한 벙법
정영선(Jeong.Young-Sun),최경석(Choi.Gyoung-Seok),강재식(Kang.Jae-Sik),이승언(Lee.Seung-Eon) 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1
This study discussed method to improve confidence on results of a measurement and test focusing thermal conductivity test of building insulation materials. The proposed methods in this study were 1) maintenance of traceability by correction of test equipments, 2) performance evaluation by statistical analysis and control chart, 3) inter-tester comparisons proficiency testing by outputting Robust statistics and Z-scores.<br/> By confirmation of equipment maintenance condition, verification of test process, observation of variation factor and improvement, output of accuracy, retaining of researcher, improvement of proficiency through this methods, we will heighten precision & accuracy of test and improve confidence abroad.