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자료유형
학술저널
저자정보
김영복 (Institute of Agriculture and Life Sciences, NURI, Gyeongsang national university) 손재길 (Denso PS Electronics Corp.) 이승규 (Institute of Agriculture and Life Sciences, NURI, Gyeongsang national university) 김성태 (Institute of Agriculture and Life Sciences, NURI, Gyeongsang national university) 나우정 (Institute of Agriculture and Life Sciences, NURI, Gyeongsang national university) 이양근 (Sangju national University)
저널정보
한국농업기계학회 바이오시스템공학(구 한국농업기계학회지) 바이오시스템공학 제29권 제6호
발행연도
2004.1
수록면
521 - 530 (10page)

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The solar powered water pump is very ideal equipment because solar power is more intensive when the water is more needed in summer and it is very helpful in the rural area, in which electrical power is not available. The average solar radiation power is $3.488\;kWh/(m^2{\cdot}day)$ in Korea. In this study, the experimental system of the water pump driven by the radiation energy were designed, assembled, tested and analyzed fur realizing the solar powered water pump. Energy conversion ken radiation energy to mechanical energy by using n-pentane as operating material was done and the water pumping cycles were able to be continued. The quantity of the water pumped per cycle ranged from 2 L to 10 L depending on the level of the valve open area far the vapour supply. The average quantity was about 4,366 cc. The thermal efficiency was about $0.018\%$. The pressure level of the n-pentane vapour in flash tank was about $110\~150\;kPa$ and that in the water tank was $93\~130\;kPa$. The pressure in the condenser during cycles was maintained as about 70 kPa. The condensation of the n-pentane vapour in the water tank was increased with the cycles even though the internal and external insulation were done. Air tank performance was better with increasing of the water piston displacement and the water could be pumped with the water piston displacement becoming higher than 6,500 cc.

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