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Transient characteristics and performance analysis of a vapor compression air conditioning system with condensing heat recovery

机译：冷凝热回收蒸汽压缩空调系统的瞬态特性和性能分析

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摘要

The objective of this study is to evaluate the influence of condensing heat recovery on the dynamic behavior and performance of air conditioners. The article includes a test procedure utilized to evaluate the condensing heat recovery system, relevant experimental results, a detail analysis of the mechanisms, and improvement measure on such a system. The experimental results indicate that although the condensing heat recovery has a negative effect on the cooling capacity at the start of the heat recovery process, the average cooling coefficient of performance (COP) of the system can be improved. The study also incorporates a control scheme of the electronic expansion valve (EEV) of the condensing heat recovery system. The experimental comparison between the EEV and the thermostatic expansion valve (TEV) demonstrates that the EEV has better performance in both stability and efficiency in the condensing heat recovery system.
机译：这项研究的目的是评估冷凝热回收对空调动态性能和性能的影响。本文包括用于评估冷凝式热回收系统的测试程序，相关的实验结果，机理的详细分析以及此类系统的改进措施。实验结果表明，尽管冷凝式热回收对热回收过程开始时的冷却能力有负面影响，但可以提高系统的平均冷却性能系数（COP）。该研究还纳入了冷凝热回收系统的电子膨胀阀（EEV）的控制方案。 EEV和恒温膨胀阀（TEV）之间的实验比较表明，EEV在冷凝式热回收系统中在稳定性和效率上都具有更好的性能。

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  • 来源
    《Energy and Buildings》 |2010年第11期|P.2251-2257|共7页
  • 作者

    Ming Liu Jiang; Jing Yi Wu; Yu Xiong Xu; Ru Zhu Wang;

  • 作者单位

    Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai 200240, China;

    rnInstitute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai 200240, China;

    rnInstitute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai 200240, China;

    rnInstitute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai 200240, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    condensing heat recovery; hot water; cooling capacity; efficiency; expansion valve;

    机译：冷凝热回收;热水;制冷量效率;膨胀阀;

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