| 低共熔冰过冷问题的研究 |
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| 引用本文： | 臧建彬,何淑静.低共熔冰过冷问题的研究[J].制冷,2002,21(1):1-5. |
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| 作者姓名： | 臧建彬 何淑静 |
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| 作者单位： | 同济大学热能工程系,上海,200331 |
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| 摘 要： | 本文通过分析低共熔冰过冷机理 ,得出结论 :过冷是为结晶过程提供推动力 ,在纯净、无杂质液态物质冻结所必须的 ;成核剂的存在 ,可以大大减小过冷度。经过过冷度测定实验和熔化潜热测定实验发现 :对于机械冷板冷藏车的冷冻板用共晶液 ( KCl溶液 ) ,Cu S是最合适的成核添加剂 ,在一般场合下也可以考虑使用 Si O2 作为成核剂
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| 关 键 词： | 低共熔冰 过冷 过冷度 成核剂 |
| 文章编号： | ISSN1005-9180(2002)01-0001-05 |
| 修稿时间： | 2001年10月15 |
Study on the Super-cooling Phenomenon for Ice of Salt Eutectic |
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| ZANG Jian bin,HE Shu jing.Study on the Super-cooling Phenomenon for Ice of Salt Eutectic[J].Refrigeration,2002,21(1):1-5. |
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| Authors: | ZANG Jian bin HE Shu jing |
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| Abstract: | By analyzing the principle of the super cooling phenomenon for ice of salt eutectic,this paper reaches conclusions:super cooling phenomenon,necessary in the process of freezing of the pure liquid material,provides impetus;the existence of nucleating substance reduces the super cooling degree.Through tests of measuring the super cooling degree and heat of fusation,it is found that CuS is the best proper nucleating substance for the solution of salt eutectic (KCl) used in the mechanical cooling plate refrigerating wagon,SiO2 is another choice in general. |
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| Keywords: | Ice of salt eutectic Super cooling phenomenon Super cooling degree Nucleating substance |
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