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| 二氧化碳制冷系统毛细管的设计及实验研究 | |
| 引用本文： | 王栋,李蒙,戚利利,钱付平. 二氧化碳制冷系统毛细管的设计及实验研究[J]. 化工学报, 2011, 62(10): 2753-2758. DOI: 10.3969/j.issn.0438-1157.2011.10.012 |
| 作者姓名： | 王栋 李蒙 戚利利 钱付平 |
| 作者单位： | 1. 安徽工业大学建筑工程学院,安徽马鞍山,243002 2. 丹佛斯(上海)自动控制有限公司,上海,201103 3. 上海理工大学能源与动力工程学院,上海,200093 |
| 摘 要： | 利用绝热毛细管内制冷剂流动特性的数学模型,在给定运行工况下,针对工质为二氧化碳的制冷系统用微元法编制了计算程序,模拟了二氧化碳毛细管内的流动曲线,得到毛细管流量与尺寸及进口压力的变化关系.搭建了小型二氧化碳跨临界循环制冷系统,通过实验研究,得出了该毛细管在不同的高压侧压力及气冷器出口温度下的流量特性曲线.将实验结果与模... |
| 关 键 词： | 二氧化碳制冷系统 毛细管 流量特性 |
Design and experimental study of capillary tube in transcritical carbon dioxide refrigeration system |
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| WANG Dong,LI Meng,QI Lili,QIAN Fuping. Design and experimental study of capillary tube in transcritical carbon dioxide refrigeration system[J]. Journal of Chemical Industry and Engineering(China), 2011, 62(10): 2753-2758. DOI: 10.3969/j.issn.0438-1157.2011.10.012 | |
| Authors: | WANG Dong LI Meng QI Lili QIAN Fuping |
| Affiliation: | WANG Dong1,LI Meng2,QI Lili3,QIAN Fuping1(1School of Civil Engineering and Architecture,Anhui University of Technology,Ma' anshan 243002,Anhui,China,2Danfoss(Shanghai)Automatic Controls Co.,Shanghai 201103,3School of Energy and Power Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China) |
| Abstract: | The mathematical model of the flow characteristics while the refrigerant flows through adiabatic capillary tubes is used in this paper.By using finite difference method under the given operating mode,a computer program is planned for a carbon dioxide refrigeration system.The change of the refrigerant flow rate with lengths and inlet pressures of the capillary tube is obtained.An experimental system of carbon dioxide refrigeration cycle is established with the designed capillary.The relations among carbon di... |
| Keywords: | carbon dioxide refrigeration capillary flow characteristics |
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