Korean Journal of Air-Conditioning and Refrigeration Engineering (설비공학논문집)

The Society of Air-Conditioning and Refrigerating Engineers of Korea (대한설비공학회)
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The Effect of Ice Adhesion according to Functional Group and Chemical Structure of Additive

화합물 작용기와 화학구조에 따른 수용액의 빙부착 억제 효과

  • 정동열 (한국생산기술연구원) ;
  • 백종현 (한국생산기술연구원) ;
  • 강채동 (전북대학교 기계공학과) ;
  • 홍희기 (경희대학교 기계산업시스템공학부)
  • Published : 2007.08.10
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Abstract

This paper investigated that the functional group and chemical structure of additives affect ice adhesion in aqueous solutions cooling with stirring. In order to compare the effect on the ice adhesion in aqueous solutions, the functional group like carboxyl (-COOH), hydroxyl(-OH) or amine($-NH_{2}$) one were compared each other. Among the functional group, the strength of the hydrogen bonding force order is amine, hydroxyl and carboxyl one. It supports that ethylene diamine 7 mass% solution including amine group was effective to suppress the ice adhesion, though it is corrosive. Also, the ice adhesion were effectively resisted and formed lots of ice slurries in cooling experiment of 7 mass% solution of 1, 2-and 1, 3-propanediol which is different molecular structure but equal molecular weight each other.

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References

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