| 空调管翅式换热器接触状态研究 |
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| 引用本文： | 梁卫平,李风雷,刘亚俊,方奕格,张青.空调管翅式换热器接触状态研究[J].机床与液压,2020,48(8):153-156. |
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| 作者姓名： | 梁卫平 李风雷 刘亚俊 方奕格 张青 |
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| 作者单位： | 华南理工大学机械与汽车工程学院, 广东广州 510640;华南理工大学聚合物成型加工工程教育部重点实验室, 广东广州 510640 |
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| 摘 要： | 空调管翅式换热器中铜管和翅片并不是完全接触,其接触状态会影响到换热器的传热。从理论和模拟两方面分析出间隙厚度为影响传热的主要因素之一,并以间隙厚度和接触长度占比作为接触状态的表征指标。通过模拟得到结论:随着间隙厚度减小,接触长度占比增加,从铜管传递到翅片的热量越多,翅片分布温度越高,传热效果越好。
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| 关 键 词： | 管翅式换热器 间隙厚度 接触长度占比 接触传热 |
Study on the Contact State of Fin-tube Heat Exchanger in Air Conditioner |
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| LIANG Weiping,LI Fenglei,LIU Yajun,FANG Yige,ZHANG Qing.Study on the Contact State of Fin-tube Heat Exchanger in Air Conditioner[J].Machine Tool & Hydraulics,2020,48(8):153-156. |
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| Authors: | LIANG Weiping LI Fenglei LIU Yajun FANG Yige ZHANG Qing |
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| Affiliation: | (School of Mechanical and Automotive Engineering,South China University of Technology,Guangzhou Guangdong 510640,China;Key Laboratory of Polymer Processing Engineering,South China University of Technology,Guangzhou Guangdong 510640,China) |
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| Abstract: | The copper tube and fin in the fin-tube heat exchanger of air conditioning are not completely in contact,and the contact state will affect the heat transfer of the heat exchanger.The gap thickness was one of the main factors affecting the heat transfer,and the gap thickness and the ratio of contact length were taken as the index of contact state.The simulation results show that with the decrease of gap thickness and the increase of contact length proportion,the more heat transfers from the copper tube to the fin,the higher the fin distribution temperature and the better the heat transfer effect. |
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| Keywords: | Tube-fin heat exchanger Gap thickness Proportion of contact length Contact heat transfer |
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