복합형 태양열 가열기 열매체 동시운전시의 열적 성능에 관한 실험적 연구
Experimental Study for Thermal Performance of Hybrid Air-Water Heater Using Solar Energy during Heating Medium Working Simultaneously
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초록
With increment on interesting about improving renewable energy efficiency, many research have been conducted and the research about hybrid air-water heater using solar energy that can make heating air and hot water has been conducted also. In this experiment, the temperature difference and thermal efficiency were investigated when two heating medium(air and liquid) was working simultaneously. As a result, thermal efficiency showed 44% to 88% when these heating medium was working simultaneously depending on operation condition and it is better than traditional solar collector. Also possibility of application into building equipment also was confirmed based on temperature and thermal efficiency. But necessity of additional studies about proper operation condition according to purpose of use and heat load was confirmed because change of thermal efficiency by air velocity and flux of liquid was shown a huge difference.
Abstract
With increment on interesting about improving renewable energy efficiency, many research have been conducted and the research about hybrid air-water heater using solar energy that can make heating air and hot water has been conducted also. In this experiment, the temperature difference and thermal efficiency were investigated when two heating medium(air and liquid) was working simultaneously. As a result, thermal efficiency showed 44% to 88% when these heating medium was working simultaneously depending on operation condition and it is better than traditional solar collector. Also possibility of application into building equipment also was confirmed based on temperature and thermal efficiency. But necessity of additional studies about proper operation condition according to purpose of use and heat load was confirmed because change of thermal efficiency by air velocity and flux of liquid was shown a huge difference.
참고문헌 (6)
- Han-Seom Eum, "Research on Thermal Performance in the Air Channel of a Combined Solar Collector", Proceedings of the KSES Spring Annual Conference, pp.150~152 (2013)
- F. Chabane, "Experimental Study on Heat Transfer For a Solar Air Heater and Contribution the Fins to Improve the Thermal Efficiency", INTERNATIONAL JOURNAL OF ADVANCED RENEWABLE ENERGY RESEARCH, 1(9), pp.487~494 (2012)
- D. Bhandari, "PERFORMANCE ANALYSIS OF FLAT PLATE SOLAR AIR COLLECTORS WITH AND WITHOUT FINS", International Journal of Engineering Research & Technology(IJERT), 1(6), pp.5~ (2012)
- D. E. Kim, "Comparison of Performance of Heating Systems with a Solar Collector", Proceedings of the KSES Autumn Annual Conference, pp.31~36 (2005)
- G. W. Kim, "Research on Air Heating Conditioning System with a Solar Collector", Proceedings of the KSES Autumn Annual Conference, pp.37~42 (2005)
- 어승희, "PVT 시스템의 PV 모듈 및 태양열 집열기 대비 성능 및 효율 비교분석", 한국태양에너지학회 논문집, 32(2), pp.1~10 (2012), 한국태양에너지학회[DOI]