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곽희열(Kwak Hee-Youl),주홍진(Joo Hong-Jin) 한국태양에너지학회 2007 한국태양에너지학회 학술대회논문집 Vol.- No.-
This study describes thermal performance of heating and cooling demonstration system using ETSC(Evacuated tubular solar collector) installed at Seo-gu art center of Kwangju. For demonstration study, a reading room with about 350㎡ was heated and cooled using that system. The demonstration system was consisted of ETSCs, storage tank, hot water supply tank, subsidiary boiler, and subsidiary tank. The results of the experimental study From January to February in 2007, The solar fraction were 58% for solar heating, 30% for solar hot water in January and 79% for solar heating, 33% for solar hot water in February.
태양열 시스템의 제어조건에 따른 난방 및 급탕 실증연구
곽희열(Kwak Hee-Youl),김정배(Kim Jeong-Bae),주홍진(Joo Hong-Jin),김종보(Kim Jong-Bo) 한국태양에너지학회 2006 한국태양에너지학회 논문집 Vol.26 No.4
This study describes thermal performance of heating and cooling demonstration system using ETSC(Evacuated tubular solar collector) installed at Seo-gu art center of Kwangju. For demonstration study, a reading room with about 350㎡ was heated and cooled using that system. The demonstration system was consisted of ETSCs, storage tank, hot water supply tank, subsidiary boiler, and subsidiary tank. From January to March in 2006, demonstration test were performed with 4 control mode to find the optimum control condition for solar thermal system. After experiments and analysis, this study found that solar thermal system of control mode IV was corresponded to 78% for the hot water supply and 49% for space heating.
단일 진공관형 집열기를 이용한 흡수식 냉방 시스템 실증연구
주홍진,이호,신우철,곽희영 대한건축학회지회연합회 2007 대한건축학회지회연합회 학술발표대회논문집 Vol.2007 No.1
This paper presents demonstration study results derived through field testing of a part load solar energized cooling system for the library of a cultural center building located in Gwangju, Korea. The area of demanded cooling for building was about 350m2. Solar hot water was delivered by means of a 200m2 array of evacuated tubular solar collector (ETSC) to drive a single-effect (LiBr/H2O) absorption chiller of 35kW nominal cooling capacity. During the demonstration tests, operating conditions of the solar cooling system are established through modifications of the various control parameters. Operation data for 10stable hours at a clear sky day during the summer season are achieved and analyzed for the verification of the availability, stability, and reliability of the present system.