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백남춘,신우철 대한건축학회 2003 대한건축학회논문집 Vol.19 No.4
In this study, the compression type heat pump system using hot spring wastewater, as a heat source, from hotel with sauna was designed and analysed. This system for hot-water supply is composed of heat pump, hot water storage tank, wastewater storage tank, wastewater cleaning bed, etc.. The charging process of heat into the hot water storage tank is achieved only at night time using peak-off electricity. The system design was focussed not only to increase COP but also to use the peak-off electricity. TRNSYS was used for the system simulation and new component for the heat pump was made. As a result, it was forecasted that the yearly mean COP of heat pump is about 4.8 and heat pump can supply 100% of hot water load except winter season weekend. The important thing that should be considered is to decrease the temperature difference between condenser and evaporator during the charging process of heat pump.
백남춘(Baek Nam-Choon),정시영(Jeong Si-Yong),신우철(Sin Woo-Chul),윤응상(Yoon Eung-Sang),주문창(Joo Moon-Chang),박상래(Park Sang-Lae) 한국태양에너지학회 1996 한국태양에너지학회 논문집 Vol.16 No.3
집열온도가 높은 PTC 집열기를 이용하는 흡수식 태양열 냉ㆍ난방 시스템에 대한 성능분석과 Parametric study를 수행하였다. 이를 위해 소형 태양열 구동 흡수식 냉동기에 대한 시뮬레이션을 통해서 작동특성 및 성능을 파악하였다. 전체적인 시스템 분석은 TRNSYS(Transient Simulation Program)를 이용하였으며, TRNSYS에 없거나 보완이 필요한 몇가지 요소(Component) 즉, 흡수식 냉동기, PTC 집열기 등에 대해서는 별도의 부 프로그램을 만들어 TRNSYS의 하나의 모듈로 사용하였다. 본 연구에서 개발된 이 TRNSYS Deck는 태양열 냉방시스템을 설계하고 분석하는데 유용하게 이용될 수 있을 것으로 기대된다. A performance analysis and parametric study on the solar absorption cooling and heating system using PTC solar collector are performed. A small absorption chiller driven by solar thermal energy is also investigated by numerical simulation for this study. TRNSYS Program is used for the analysis of complete system. Some specific component like as PTC solar collector and absorption chiller driven by solar energy are added into a standard TRNSYS library for this study. This TRNSYS deck developed in this study will be helpful for system design and evaluation of solar heating and cooling system.
백남춘(Baek Nam-Choon),윤종호(Yoon Jong-Ho),윤응상(Yoon E. S),유창균(Yoo C. G),주문창(Joo M. C),손선우(Son S. W) 한국태양에너지학회 2007 한국태양에너지학회 학술대회논문집 Vol.- No.-
This study is on the evaluation of KIER Zero Energy Solar House(ZeSH). This ZeSH was designed and constructed for the goal of 70% self sufficiency only thermal loads. Various innovative technologies for reducing thermal load such as super insulation, high performance window, passive solar systems, ventilation heat recovery system , etc are applied in this ZeSH. In this study, the performance of the active solar heating system with geothermal heat pump as an auxiliary energy system and the energy self sufficiency rate are especially analyzed by experiment. Indoor setting temperature of ZeSH is 20℃ throughout the experimental period. As a result, the performance of active solar system is 35 to 40% depending on the various ambient condition and the solar fraction for heating season is about 74%.