| 液体CO2冷藏车制冷系统的毛细管长度与厢体冷负荷匹配的实验研究 |
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| 引用本文： | 李夔宁,童明伟,严嘉.液体CO2冷藏车制冷系统的毛细管长度与厢体冷负荷匹配的实验研究[J].制冷学报,2004,25(2):7-11. |
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| 作者姓名： | 李夔宁 童明伟 严嘉 |
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| 作者单位： | 重庆大学动力工程学院,重庆,400044 |
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| 摘 要： | 分析了绿色制冷剂--液体CO2在毛细管中的流动特征,对液体CO2在外径为2.18mm、内径为1.20mm,在一定进、出口压力下,对不同长度、不同曲直程度的毛细管内的质量流量进行了实验研究.同时对制冷系统中使用了毛细管的冷藏车的保温性能进行了测试,从而获得了与冷藏车厢体冷负荷相匹配的最佳毛细管长度.
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| 关 键 词： | 热工学 最佳毛细管长度 流动特征 冷负荷 质量流量 |
| 修稿时间： | 2003年10月3日 |
An Experimental Study of the Length of Capillary Tube Matching Cooling Load in a Liquid Carbon Dioxide Refrigerated Lorry |
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| Yan Jia,Tong Mingwei and Li KuiningChongqing University,China.An Experimental Study of the Length of Capillary Tube Matching Cooling Load in a Liquid Carbon Dioxide Refrigerated Lorry[J].Journal of Refrigeration,2004,25(2):7-11. |
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| Authors: | Yan Jia Tong Mingwei and Li KuiningChongqing University China |
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| Abstract: | This paper firstly discussed the flow characteristic of liquid carbon dioxide in a capillary tube; experimental studies on the mass flux of liquid carbon dioxide in capillary tubes with internal diameter at 1.20mm, external diameter at 2.18mm,a certain pressure at the entrance and exit , and different length and different degree of bend were carried out; the refrigerated lorry's heat preservation capacity was tested, the optimal length of a capillary tube matching cooling load of the refrigerated lorry was obtained. |
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| Keywords: | Pyrology optimal length of a capillary tube flow characteristic cooling load mass flux |
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