In this study, a hot water pipe and a blowing fan were combined for developing zone heating technology for cherry tomato. The concept of this system was that hot air was firstly made by hot water pipe in one layer plastic duct and then a blowing fan made the hot air formed in a duct discharge through a duct hole to a shoot apex or a flower cluster which was temperature-sensitive part of cherry tomato. This system mainly consisted of hot water boiler, thermal tank, heat radiation plastic duct with the function of moving up and down electrically depending on the height of shoot apex. Developed system was applied to the cherry tomato greenhouse located in Jangam Chungcheongnamdo from Dec. 28, 2015 to Feb. 16, 2016 and compared with conventional entire space heating system of cherry tomato greenhouse and looked into cumulative yield for the estimate of growing state and energy saving rate from the conventional consumed energy. The result showed that cumulative yield was 3% higher and consumed energy was 32% lower than those of control greenhouse. The average temperature of shoot apex zone was 0.4~1.1℃ higher and the average relative humidity of shoot apex zone was 2,2~2.3% lower than those of entire space during night time in a shoot apex zone heating greenhouse and the average temperature of shoot apex zone was 0.7~1.4℃ lower and the relative humidity of shoot apex zone was 2.9~8.3% higher than those of entire space during night time in a entire space heating greenhouse.
목차
ABSTRACT 1. 서론 2. 재료 및 방법 2.1 토마토 생장점 부분 난방 시스템 구조개선 2.2 생장점 추종형 부분 난방 덕트 방열량 측정 2.3 토마토 부분 난방 현장 시험 3. 결과 및 고찰 3.1 온도 조절 효과 3.2 습도 조절 효과 3.3 수확량 비교 및 에너지 절감 효과 4. 결론 후기 References
키워드
Zone Heating Technology(부분난방기술)Cherry Tomato(방울토마토)Hot Water Ppe(온수관)Blowing Fan(송풍팬)
저자
문종필 [ Jong-Pil Moon | Member, Department of Agricultural Engineering of National Institute of Agricultural Science ]
Corresponding author
강금춘 [ Geum-Choon Kang | Department of Agricultural Engineering of National Institute of Agricultural Science ]
권진경 [ Jin-Kyung Kwon | Protected Horticulture Research Institute of National Instirtute of Horticultural and Herbal Science ]
백이 [ Yee Paek | Department of Agricultural Engineering of National Institute of Agricultural Science ]
이태석 [ Tae-Seok Lee | Department of Agricultural Engineering of National Institute of Agricultural Science ]
오성식 [ Sung-Sik Oh | Department of Agricultural Engineering of National Institute of Agricultural Science ]
진병옥 [ Byung-Ok Jin | Department of Agricultural Engineering of National Institute of Agricultural Science ]