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이상훈(Sang-Hoon Lee),유호선(Hoseon Yoo),임효묵(Hyo Mook Im),이윤표(Yoon-Pyo Lee) 대한설비공학회 2011 대한설비공학회 학술발표대회논문집 Vol.2011 No.7
In order to investigate the applicability of dynamic ice slurry system for the district cooling, a experimental study of horizontal type ice maker was performed. Large scale of ice maker is necessary for the district cooling system. In this study, visualization experiments were performed to horizontal single tube for the understanding of the reality of the phenomenons. Ice slurry was occured when the supercooling was eliminated. Continuous production of ice slurry by the rotation of the screw removal and transport through the ice membrane.
수평형 스크류식 아이스슬러리 제빙관 내부의 압력상승에 관한 실험적 연구
이상훈(Sang-Hoon Lee),유호선(Hoseon Yoo),임효묵(Hyo Mook Im),이윤표(Yoon-Pyo Lee) 대한설비공학회 2012 대한설비공학회 학술발표대회논문집 Vol.2012 No.6
The propylene glycol solution flowing through the pipe in the horizontal ice slurry maker, with the fall down temperature because of the evaporation of the refrigerant existing outside the horizontal pipe, is transformed into ice slurry. At this time, the screw located within the horizontal pipe keeps on rotating, pushing the formed ice slurry out. If the screw stops functioning on account of a motor failure etc., the already-formed ice slurry is stuck within the pipe and can become more solid ice. In order to check whether, in this kind of situation, the already-formed ice slurry is likely to damage the pipe, this study carried out the measurement of the pressure rise. With one side of the ice slurry maker pipe, within the pipe the screw was stopped, closed with a valve and the other side left open, when the temperature gradually dropped and freezing occurred inside the slurry maker, the resulting volume expansion and the pressure at the closed part were measured. The extent of measured pressure rise and the allowable pressure of the adopted pipe were compared and the possibility of damage by freezing was investigated.