| 微通道换热器空调系统性能试验分析 |
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| 引用本文： | 张蕾. 微通道换热器空调系统性能试验分析[J]. 制冷技术, 2010, 0(1): 33-36 |
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| 作者姓名： | 张蕾 |
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| 作者单位： | 上海日立电器有限公司技术研究部,上海201206 |
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| 摘 要： | 本文通过对两套采用微通道换热器的KFR-72LW空调器样机（1号机：室内外换热器均采用微通道换热器；2号机：室外机为微通道换热器，室内机为管翅式换热器），分别进行性能测试，对比分析采用微通道换热器与管翅式换热器的空调器性能差异。试验结果分析显示：微通道换热器空调器具有高效（强制冷性能）、减排（减少制冷剂充注量）、低成本（换热器小型化）等优点；但制热工况下，因室外机采用微通道换热器，换热面积大幅度减小，蒸发压力过低，导致制热效果不良、系统频繁除霜等问题，有待于进一步研究解决。
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| 关 键 词： | 微通道换热器 管翅式换热器 制冷性能 制冷剂充注量 高效 |
Analysis of performance of air conditioners with micro-channel heat exchangers |
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| Zhang Lei. Analysis of performance of air conditioners with micro-channel heat exchangers[J]. Refrigeration Technology, 2010, 0(1): 33-36 |
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| Authors: | Zhang Lei |
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| Affiliation: | Zhang Lei(Hitachi Electrical Appliances Co.,Ltd.,Shanghai 201206,China) |
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| Abstract: | This paper presents the capability difference between two KFR-72LW air conditioners(No.1 unit with indoor and outdoor micro-channel heat exchangers and No.2 unit with indoor fin-tube heat exchanger and outdoor micro-channel heat exchanger)by testing the performance of both air conditioners. The test results show that the air conditioner with micro-channel heat exchanger is higher-efficiency, less refrigerant charge and lower cost .But due to the greatly reduction of the area of the outdoor micro-channel hea... |
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| Keywords: | micro-channel heat exchangers fin-tube heat exchanger refrigerating performance refrigerant charge high-efficiency |
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