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22대 대한민국 국회 국회정보길라잡이 국회의원검색
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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.

권호기사

권호기사 목록 테이블로 기사명, 저자명, 페이지, 원문, 기사목차 순으로 되어있습니다.
기사명 저자명 페이지 원문 목차
Performance comparison of two airfoil rotor designs for an agricultural unmanned helicopter Young Mo Koo pp.1-10

Modeling of solar radiation using silicon solar module JoonYong Kim, Seung-Hwan Yang, ChunGu Lee, Young-Joo Kim, Hak-Jin Kim, Seong In Cho, Joong-Yong Rhee pp.11-18

Heating and cooling system for utilization of surplus air thermal energy in greenhouse and its control logic Seung Hwan Yang, Chun Gu Lee, Won Kyu Lee, Alireza Araghi Ashtiani, Joon Yong Kim, Sang Deok Lee, Joong Yong Rhee pp.19-27

Measurement of dynamic compressive properties of apples using the oscillatory test Jong Whan Lee, Jinglu Tan, Sri Waluyo pp.28-35

Drying characteristics of carrot and green pumpkin slices in waste heat dryer Gwi Hyun Lee pp.36-43

Effects of vibration stress on the quality of packaged apples during simulated transport Hyun Mo Jung, Jeong Gil Park pp.44-50

Effects of vibration fatigue on compression strength of corrugated fiberboard containers for packaging of fruits during transport Hyun Mo Jung, Jeong Gil Park pp.51-57

Anaerobic digestion treatment for the mixture of Chinese cabbage waste juice and swine manure Gopi Krishna Kafle, Sang Hun Kim, Beom Soo Shin pp.58-64

Strawberry harvesting robot for bench-type cultivation Kil-Su Han, Si-Chan Kim, Young Bum Lee, Sang Chul Kim, Dong Hyuk Im, Hong Ki Choi, Heon Hwang pp.65-74

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