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Glazing의 성능에 따른 주상복합건물의 에너지 소비 패턴에 관한 연구
신재규(Shin, Jae-Gyu),최원기(Choi, Won-Ki) SH도시연구원 2011 주택도시연구 Vol.1 No.1
Recently, the Commercial-residential buildings demand are increasing. The Commercial-residential buildings are almost curtain-wall system or large window in building skin. However, These kind of buildings have problems with building energy efficiency. Commercial-residential buildings should be considered U-value and SHGC because of the different characteristics heating and cooling loads of both residential space and commercial space. In this study the influence of SHGC and U-value on energy consumption was analyzed with simulation, depending on a region - central, south. Eneryplus was used for building energy simulation. The conclusions of this study are as follows; 1) U-value more influence on residential space energy than commercial space energy in central region. As U-value has be decreased, total energy of residential space has be reduced. However, the energy is increased after U-value 1.2W/m2℃ in south region. 2) SHGC reduced cooling energy in commercial space. U-value more influence on consumption energy the south region than the central region. 3) As SHGC has be decreased, total energy of residential space has be reduced in south region. However, the energy is increased after SHGC 0.48 in central region. Therefore, SHGC should be considered in a commercial-residential buildings carefully.
CO₂ 배출량에 따른 노후 공동주택의 재건축 판단 방안 연구
신재규(Shin Jae-Gyu),김유민(Kim Yu-Min),손장열(Sohn Jang-Yeul) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(계획계)
CO₂ emission due to the consumption of fossil fuel cause environmental load and 30% of CO₂ is emitted from buildings. As buildings are getting older, CO₂ emission rate and energy consumption are increased since the thermal performance and the efficiency of equipment are deteriorated. In this study, the reconstruction cycle of deteriorated apartments is determined according to carbon dioxide emissions by the LCA to reduce the environmental load. To evaluate CO₂ emission from apartments, whole life cycle is divided into three parts; 1) Input-Output analysis is used for construction stage, 2) simulation is conducted for maintenance stage, 3) consumed energy for equipment is estimated for demolition stage.
신재규(Shin Jae-Gyu),황우진(Hwang Woo-Jin),최원기(Choi Won-Ki) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(계획계)
Recently, the interest in a glazing is increasing as energy saving measures in buildings. And relevant regulations are also strengthening. This study analyzed the thermal and optical performance of a glazing according to combination of glazing characteristics; location of coating surface, filling gas type and proportion, space of cavity. The results of this study are as follow; 1)The components of gases do not effect on the optical performance of a glazing, however, U-value was improved from 18 to 23 percent. 2)According to the distance of cavity, 12㎜ cavity(spacer) was best thermal performance. 3), Triple Coated Low-e was best thermal performance for U-value of insulate glass units and location of the coating surface was not impacted.
신재규(Jae-Gyu Shin),황우진(Woo-Jin Hwang),최원기(Won-Ki Choi) 대한설비공학회 2011 대한설비공학회 학술발표대회논문집 Vol.2011 No.7
Glazing is created into a single window by being combined with its surrounding frames. What matters to such a material is to improve physical performances on priority, such as heat insulation, airtight, sound insulation, watertight and wind pressure. At the same time, it is required to improve the diversity of its forms to properly cope with the convenience of use, the simplicity of maintenance and the function fit for the stream of times in addition to the improvement of physical performances. Out of them, glazing should be appropriately selected according to the size of a building, the location of its site and the direction the building faces since it is directly influenced by sunbeams. Therefore, it is needed to select proper glazing by confirming the thermal breakage as well as the effect of wind pressure when selecting its material. Thus, this study aims to discuss precaution measures to minimize the phenomenon of thermal break and thermal breakage that happen when glazing is installed for curtain-wall buildings.
SHGC와 U-Value의 상관관계에 따른 주상복합건물의 에너지 소비 패턴에 관한 연구
신재규(Jae-Gyu Shin),김교준(Kyo-Joon Kim),정진우(Jin-Woo Jeong),최원기(Won-Ki Choi) 대한설비공학회 2011 대한설비공학회 학술발표대회논문집 Vol.2011 No.7
Recently, by the increase of demand on commercial-residential buildings and it's advanced quality, the interest on it has been raised socially. The construction type is almost curtain-wall system or large window in building skin. Commercial-residential buildings should be considered U-value and SHGC because of the different characteristics heating and cooling loads of both residential space and commercial space. In this study the influence of SHGC and U-value on energy consumption was analyzed with simulation. Eneryplus was used for building energy simulation. The conclusions of this study are as follows; 1) U-value more influence on residential space energy than commercial space energy 2) SHGC reduced cooling energy than the rate of increase in heating energy in commercial space. 3) As SHGC has be decreased, total energy of residential space has be reduced. However, the energy is increased after SHGC 0.48. Therefore, SHGC should be considered in a commercial-residential buildings carefully.
뜬바닥 온돌구조에서 바닥공간의 덕트를 이용한 환기가 실내 열환경에 미치는 영향
신재규(Shin Jae-Gyu),김유민(Kim Yu-Min),손장열(Sohn Jang-Yeul) 한국건축친환경설비학회 2008 한국건축친환경설비학회 학술발표대회 논문집 Vol.- No.-
Natural ventilation rate has been decreased and it caused insufficient ventilation in buildings due to enhanced air tightness performance. Particularly, a variety of building materials that emit air pollutants are widely used in buildings and result in poor indoor air quality However, ventilation rate is not sufficient since the most ventilation is caused by natural ventilation or infiltration in Ondol heating system which does not have separate ventilation system. As an alternative for that issue, improved Ondol system is proposed in this study. This study which is comparison between experiment data and simulation results, verify propriety and applicability with and apartment house.
Resistance Deviation-to-Frequency Converter for Resistive Bridge Sensors
Jae-Gyu Shin(신재규),Won-Sup Chung(정원섭) 한국정보기술학회 2014 한국정보기술학회논문지 Vol.12 No.12
A resistance deviation-to-frequency converter using second generation current conveyor (CCIIs) is designed for connecting resistive bridge sensors with a digital system. It consists of a integrator and a voltage comparator. The integrator is composed of positive second generation current conveyor(CCII+), negative second generation current conveyor(CCII-), capacitor, half bridge sensor, and two analog switches. The prototype converter was measured using commercially available discrete components. The result shows that the converter has a conversion sensitivity amounting to 125Hz/Ω and a linearity error less than ±0.03%. The temperature stability of the converter measured in the temperature range of -25-85℃ is less than 250ppm/℃. This results indicate that the proposed converter with simple structure than conventional converters have high linearity and is less affected by temperature change.