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Journal of biosystems engineering : JBE v.37 no.1, 2012년, pp.19 - 27   피인용횟수: 1

Heating and Cooling System for Utilization of Surplus Air Thermal Energy in Greenhouse and its Control Logic

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  );
  • 초록

    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.


  • 주제어

    Energy recovery .   Energy saving .   Greenhouse environmental control .   Heat pump .   Surplus heat.  

  • 참고문헌 (16)

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    9. Kim, Y. J., Y. S. Ryou, J. T. Chang, K. C. Kang, K. J. Lee and C. W. Shin. 2000. Heat recovery characteristics of the hot water supply system with exhaust heat recovery unit attached to the hot air heater for plant bed heating in the greenhouse. Journal of Biosystems Engineering 25(3):221-226. 
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  • 이 논문을 인용한 문헌 (1)

    1. Rasheed, Adnan ; Lee, Jong Won ; Lee, Hyun Woo 2015. "A Review of Greenhouse Energy Management by Using Building Energy Simulation" 시설원예ㆍ식물공장 = Protected horticulture and plant factory, 24(4): 317~325     

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