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논문 기본 정보

자료유형
학술저널
저자정보
Yang, Seung-Hwan (Research Institute for Agriculture and Life Sciences, Seoul National University) Lee, Chun-Gu (Dept. of Biosystems and Biomaterials Science & Engineering, Seoul National University) Lee, Won-Kyu (Dept. of Biosystems and Biomaterials Science & Engineering, Seoul National University) Ashtiani, Alireza Araghi (Dept. of Biosystems and Biomaterials Science & Engineering, Seoul National University) Kim, Joon-Yong (Dept. of Biosystems and Biomaterials Science & Engineering, Seoul National University) Lee, Sang-Deok (Horticulture Research Div., Gyeonggido Agricultural Research & Extension Services) Rhee, Joong-Yong (Research Institute for Agriculture and Life Sciences, Seoul National University)
저널정보
한국농업기계학회 바이오시스템공학(구 한국농업기계학회지) 바이오시스템공학 제37권 제1호
발행연도
2012.1
수록면
19 - 27 (9page)

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Purpose: Utilizing air thermal energy during over-heated time in the greenhouse is a necessary component to save greenhouse heating costs for nighttime. However, there is no practical way to implement the related principles. Methods: In this study, a heating and cooling system which utilizes the surplus air thermal energy in a greenhouse was developed. Available air thermal energy and heating load for this experimental glasshouse were estimated based on temperature conditions of the plant growth and weather data. Results: Estimated values were 400 MJ/day for maximum surplus air thermal energy and 340 MJ/day for maximum heating energy which were target values of the design as well. The system consists of a heat pump, fan-coil units and heat storage tanks which are divided into low and high temperature tanks. Moreover, a new control logic was developed for surplus air thermal energy utilization. Conclusions: This paper explains the details of conceptual design process of the system. Results of test operations showed that the developed system performed the recovery and supply of the thermal energy according to design purposes.

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