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판형 열교환기에서 유동 과냉도 및 냉각속도가 연속제빙에 미치는 영향
이동규(Donggyu Lee),백종현(JongHyun Peck),홍희기(Hiki Hong),강채동(Chaedong Kang) 대한설비공학회 2006 대한설비공학회 학술발표대회논문집 Vol.2006 No.6
The peculiarity of ice slurry, such as liquidity, high heat transfer rate and easy storage can also find to supercooled type dynamic ice storage system(DISS) which is one of the DISS. However, in order to accomplish continuous ice formation in the system without mechanical moving parts, supercooled aqueous solutionshould be formed stable through cooling heat exchanger and be dissoluted in storage tank. In previous research, the time of ice slurry increased as the pressure of the cooling heat exchanger(PHX) increased. In this study, a cooling experiment of an ethylene glycol 7mass% solution was performed with various inlet temperature of the PHX, which has constant brine inlet temperature of -7 ℃. The temperature in the storage tank maintained to freezing point of the solution. At results, the time of ice slurry formation increased as the supercooling degree decreased and the cooling rate increased.