Characteristic of the Formation and Adhesion of Ice on a Cooling Surface by a Stirring Aqueous Solution

  • Kang, Chae-Dong (RCIT, Division of Mechanical Engineering, Chonbuk National University) ;
  • Seung, Hyun (Housing Business Division, Lotte E&C) ;
  • Hong, Hi-Ki (School of Mechanical and Industrial System Engineering, KyungHee University)
  • Published : 2006.09.10


Ice adhesion or cohesion leads to the decrease of the performance of ice making system, especially to dynamic type ice thermal storage system (DISS) which mainly forms ice from the flow of an aqueous solution. The ice adhesion is influenced by various parameters associated with operating or geometric condition. In this study, the influence on an adhesion of ice to the characteristic of cooling surface and to composition of an aqueous solution was fundamentally observed by using batch type cooling device,. a beaker. Three patterns of solution in each beaker were cooled with brine. Moreover, the characteristic of cooling surface on each beaker was distinguished to coating materials. Stirring power as a degree of the ice adhesion was measured. The stirring power to cooling heat transfer rate in each beaker was compared. As a result, the lowest stirring power of 8.9 W with non-adhesion of ice, was shown in the case of the aqueous solution of EG(4) + PG(1.5) + 1,6HD(1.5). in PE coating beaker.



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