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首页> 外文期刊>Heat Transfer Engineering >Experimental Investigations on the Performance Enhancement Using Minichannel Evaporator with Integrated Receiver-Dryer Condenser in an Automotive Air Conditioning System
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Experimental Investigations on the Performance Enhancement Using Minichannel Evaporator with Integrated Receiver-Dryer Condenser in an Automotive Air Conditioning System

机译：在汽车空调系统中使用带有集成式干冷器的微通道蒸发器提高性能的实验研究

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摘要

The performance comparison of two automotive air conditioning systems was experimentally studied under two typical cabin conditions viz; 27 degrees C dry bulb temperature / 40% relative humidity and 40 degrees C dry bulb temperature /40% relative humidity in a bench test rig for different blower speeds of the evaporator. Two mobile air conditioning systems viz; enhanced system having minichannel evaporator with integrated receiver-dryer condenser, and baseline system having conventional serpentine evaporator with parallel flow condenser were considered for the study. The compressor was the same for both the systems. The charge quantity, compressor speed, condenser air flow rate were suitably modified to maintain similar suction / discharge pressures, suction super heat and sub-cooling at all test conditions. The percentage of condensate retention during the dehumidification for both the evaporators were also compared. The comparison indicates that the average coefficient of performance of the enhanced system is higher in both low and high cabin temperature condition by about 15% and 8% respectively. The percentage of condensate retention in the evaporator of the enhanced system is lesser in the range of about 17-31% as compared to the base line system evaporator. It is also expected that a specific design of compressor for the enhanced system can yield better performance at all conditions.
机译：在两个典型的驾驶室条件下，通过实验研究了两个汽车空调系统的性能比较。在蒸发器的不同鼓风机速度的台式试验台中，干球温度为27摄氏度/相对湿度40％，干球温度为40摄氏度/相对湿度40％。两个移动空调系统，即；本研究考虑了具有带集成式接收器-干燥器冷凝器的微通道蒸发器的增强系统，以及具有传统的带有平行流冷凝器的蛇形蒸发器的基线系统。两种系统的压缩机相同。进料量，压缩机转速，冷凝器空气流速经过适当修改，以在所有测试条件下保持相似的吸入/排出压力，吸入过热和过冷状态。还比较了两个蒸发器在除湿过程中冷凝物保留的百分比。比较表明，增强型系统在低和高车厢温度条件下的平均性能系数分别高出约15％和8％。与基线系统蒸发器相比，增强型系统的蒸发器中的冷凝水保留百分比在约17-31％的范围内较小。还期望针对增强系统的压缩机的特定设计可以在所有条件下产生更好的性能。

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  • 来源
    《Heat Transfer Engineering》 |2019年第8期|667-678|共12页
  • 作者

    Prabakaran Rajendran; Lal Dhasan Mohan; Prabhakaran Arumugam; Kumar Jha Kaushal;

  • 作者单位

    Anna Univ, Coll Engn, Dept Mech Engn, Chennai 600025, Tamil Nadu, India;

    Anna Univ, Coll Engn, Dept Mech Engn, Chennai 600025, Tamil Nadu, India;

    Mahindra Res Valley, Chennai, Tamil Nadu, India;

    Mahindra Res Valley, Chennai, Tamil Nadu, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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