http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
콤팩트형 태양열/지열히트펌프 하이브리드 냉난방 및 급탕 시스템 개발 및 성능분석
백남춘,정선영,윤응상,이경호 한국태양에너지학회 2012 한국태양에너지학회 논문집 Vol.32 No.5
In this study, the compact type solar thermal and ground coupled heat pump hybrid system for space heating/cooling and hot water supply has been developed. This hybrid system was installed in Zero Energy Solar House(ZeSH) in KIER for the demonstration. The thermal performance and operational characteristics of this hybrid system were analysed especially. The results are as follows. (1) This hybrid system was designed in order to address the existing disadvantages of solar thermal/ground coupled heat pump system. For this design, all parts except solar collector and ground coupled heat pump were integrated into a single product in a factory. The compact type unit includes two buffer tanks, an expansion tank, pumps, valves, a controller, etc. This system has an advantage of easy installation with simple plumbing work even in narrow space. (2) The thermal charging and discharging time of the buffer tanks and its characteristics by ground coupled heat pump, and heat pump COP according to geo-source temperature and buffer storage temperature have been studied. This system was found to meet well to the heat load without any other auxiliary heating equipment. (3) The operating hours of the ground coupled heat pump as a backup device of solar thermal can be reduced significantly by using solar heat. It was also found that the minimum heating water supply setting temperature and maximum cooling water supply setting temperature make an influence on the heat pump COP. The lower heating water and the higher cooling water temperature, the higher COP. In this respect, the hybrid system’s performance can be improved in ZeSH than conventional house.
백남춘,양윤섭,윤응상,이진국,주문창,Baek, N.C.,Yang, Y.S.,yoon, E.S.,Lee, J.K.,Joo, M.C. 대한설비공학회 1997 설비공학 논문집 Vol.9 No.1
In this experimental study, the air cooling radial shape heat exchanger which influences on the COP and the cooling capacity by heat and mass transfer rate in the adsorbent bed was designed and applied to test its performance for adsorption heat pump(AHP). Zeolite-water was used for the adsorbent-adsorbat pair. As a result, the cooling COP and a cycle period of this adsorption heat pump are 0.28 and 2 hours, respectively, on the condition of none heat recovery from the adsorption reactor(absorber). The other results and recommendations are mainly related to improving the heat and mass transfer inside the absorber to reduce a cycle period.
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.