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이왕제(Lee Wang-Je),백남춘(Baek Nam-Choon),이경호(Lee Kyoung-Ho),허재혁(Heo Jae-Hyeok) 한국태양에너지학회 2015 한국태양에너지학회 논문집 Vol.35 No.2
In this study, energy performance analysis of houses in zero energy demonstration town(ZeT) was carried out using the monitoring results. This ZeT was composed 29 zero energy individual houses(ZeH) which were applied passive as well as active technologies. The results are as follows. (1) Residents are generally considered to have been lacking basic mind to save energy, (2) In particular, average yearly total energy consumption per house is 12,834 kWh and specific heating energy is 53.2kWH/㎡·yr which is higher than that of passive house. This is because of one of the reason just pointed out in subsections (1). (3) Most part of the residual energy load are supplied with only renewable energy, but not operating energy for geothermal heat pump which is use of cheap electricity.
이왕제(Wang-Je Lee),강은철(Eun-Chul Kang),이의준(Euy-Joon Lee),오병칠(Byung-Chil Oh),신우철(U-Cheul Shin) 대한설비공학회 2013 설비공학 논문집 Vol.25 No.7
To fulfill the demands concerning energy efficiency for zero energy buildings, various technologies of architects and engineers are required. This study aims to estimate the thermal performance of heat source equipment in which part load characteristics are considered in an office building. Overestimation of heat source equipment was reviewed through literature survey, and heating and cooling loads depending on the capacity and division of the equipment were analyzed through a simulation program (DOE-2.1E). The conclusions gained from this study are as follows; 1) The more the division of equipment, the less the heating and cooling energy consumption. 2) When a large item of equipment is divided into two small items of equipment, the optimum application rate showed as 5:5 for chiller, and 7:3 for boiler, respectively.
이왕제(Wang-Je Lee),강은철(Eun-Chul Kang),이의준(Euy-Joon Lee),신우철(U-Cheul Shin) 대한설비공학회 2014 설비공학 논문집 Vol.26 No.8
Energy consumption unit in a building is classified according to uses of electricity, gas, and oil, and it has been studied steadily as a material for establishing policy standards for energy saving in buildings. Meanwhile, consumption unit in apartment house can be calculated differently according to its survey method and area standard. Therefore, with the necessity of reestablishing energy consumption unit, this study has researched thermal energy consumption, Supply dwelling area? Exclusive dwelling area, completion year and housing type of 23,791 households of 31 complex in Daejeon. As a result, (1) there was about 20% difference between supply and exclusive dwelling areas. (2) On the basis of exclusive dwelling area, thermal energy consumption unit was calculated as 104.9 kWh/m²?a in 2010, 104.6 kWh/ m²?a in 2011, and 107.7 kWh/m²?a in 2012.