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首页> 外文期刊>International Journal of Refrigeration >Ice adhesion of an aqueous solution including a surfactant with stirring on cooling wall: ethylene glycol - a silane coupling agent aqueous solution
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Ice adhesion of an aqueous solution including a surfactant with stirring on cooling wall: ethylene glycol - a silane coupling agent aqueous solution

机译：在冷却壁上搅拌下，包括表面活性剂的水溶液的冰粘附力：乙二醇-硅烷偶联剂水溶液

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摘要

Ice adhesion to the cooling wall directly hinders continuous ice formation or system performance due to the increase of flow and thermal resistance. In order to obtain the basic characteristics of two- or three-component aqueous solutions with EG, SCA and water on freezing, the influence of component ratio and supercooling degree on those solutions was investigated through a batch type freezing process of the solutions. Moreover, the strength of ice adhesion was shown to vary by stirring power. Ice adhesion was suppressed when (1) the solution including the additive SCA at comparatively high concentration; (2) the solution had high initial concentration of EG or SCA; (3) the brine temperature was higher; (4) the supercooling degree was comparatively small in the lower concentrations. No ice adhesion occurred at the stirring power below 30 W. Furthermore, particle size of the ice slurry was smaller in higher concentrations.
机译：由于流动和热阻的增加，冰附着在冷却壁上直接阻碍了连续的冰形成或系统性能。为了获得含EG，SCA和水的二或三组分水溶液对冷冻的基本特性，通过分批冷冻方法研究了组分比和过冷度对这些溶液的影响。而且，显示出冰粘附的强度随搅拌功率而变化。当（1）包含相对高浓度的添加剂SCA的溶液时，冰粘附被抑制; （2）溶液中EG或SCA的初始浓度高; （3）盐水温度较高; （4）在较低的浓度下，过冷度较小。在低于30 W的搅拌功率下，没有发生冰粘附。此外，在较高浓度下，冰浆的粒径较小。

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