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Experimental investigation of the heat transfer performance of microchannel heat exchangers with fan-shaped cavities

机译：扇形腔微通道换热器传热性能的实验研究

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摘要

The microchannel heat exchanger has been applied in many field because of its advantages, such as miniaturization, large specific surface area, and high heat and mass transfer rate. In this work, a microchannel heat exchanger with fan-shaped cavities (FSCs) was developed, and used to conduct comparative experimental studies with the conventional rectangular straight microchannel heat exchanger. The effects of structural parameters, such as the deviation degree, coincidence degree and distribution of FSCs, on the heat transfer performance of the microchannel heat exchanger were investigated. The results indicate that the performance of the microchannel heat exchanger with FSCs is better than that without FSCs and the pressure drop is smaller. It is also revealed that the deviation degree, coincidence degree and distribution of the FSCs have important effects on the heat transfer performance. (C) 2019 Elsevier Ltd. All rights reserved.
机译：微通道换热器由于其诸如小型化，大的比表面积以及高的传热和传质速率等优点而已经在许多领域中得到应用。在这项工作中，开发了一种具有扇形腔（FSC）的微通道换热器，并用于与常规的矩形直型微通道换热器进行对比实验研究。研究了FSC的偏离度，重合度和分布等结构参数对微通道换热器传热性能的影响。结果表明，具有FSC的微通道换热器的性能优于不具有FSC的微通道换热器，并且压降较小。还揭示了FSC的偏离度，重合度和分布对传热性能具有重要影响。 （C）2019 Elsevier Ltd.保留所有权利。

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  • 来源
    《International Journal of Heat and Mass Transfer》 |2019年第5期|1199-1208|共10页
  • 作者

    Pan Minqiang; Wang Hongqing; Zhong Yujian; Hu Minglong; Zhou Xiaoyu; Dong Guanping; Huang Pingnan;

  • 作者单位

    South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Guangdong, Peoples R China;

    South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Guangdong, Peoples R China;

    South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Guangdong, Peoples R China;

    South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Guangdong, Peoples R China;

    South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Guangdong, Peoples R China;

    South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Guangdong, Peoples R China;

    South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Guangdong, Peoples R 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

    Microchannel; Heat exchanger; Fan-shaped cavity; Heat transfer performance;

    机译：微通道换热器扇形腔传热性能;

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