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Comparative analysis of the cross-flow indirect evaporative air coolers

机译：错流间接蒸发式空气冷却器的比较分析

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摘要

This paper presents a comparative study of two selected types of cross-flow indirect evaporative units: typical air cooler and regenerative air cooler. The key target of presented analysis is to establish which of the considered units is more favorable for air-conditioning application. The analysis was performed on the base of numerical methods. An original mathematical model was developed and validated against existing experimental data. A comparison was performed for two basic operating conditions: constant airflow velocity in dry and wet channels and variable inlet airflow parameters (temperature and moisture content) and variable airflow velocity under constant inlet airflow parameters. Additionally, a sensitive analysis of heat and mass transfer process was performed on the base of the ε-NTU method to establish preferable operating conditions.
机译：本文对两种选择的错流间接蒸发器进行了比较研究：典型的空气冷却器和再生空气冷却器。提出的分析的主要目标是确定哪个考虑的单元更适合空调应用。分析是在数值方法的基础上进行的。开发了原始数学模型，并针对现有实验数据进行了验证。对两个基本操作条件进行了比较：干，湿通道中的恒定气流速度和可变的进气口气流参数（温度和水分含量）和恒定的进气口气流参数下的可变气流速度。此外，在ε-NTU方法的基础上对传热和传质过程进行了灵敏的分析，以建立较好的操作条件。

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  • 来源
  • 作者

    Sergey Bolotin; Borys Vager; Vladimir Vasilijev;

  • 作者单位

    Department of Environmental Engineering and Municipal Services, Saint-Petersburg State University of Architecture and Civil Engineering, 2-nd Krasnoarmeiskaya St. 4, 190005 St. Petersburg, Russia;

    Department of Environmental Engineering and Municipal Services, Saint-Petersburg State University of Architecture and Civil Engineering, 2-nd Krasnoarmeiskaya St. 4, 190005 St. Petersburg, Russia;

    Department of Environmental Engineering and Municipal Services, Saint-Petersburg State University of Architecture and Civil Engineering, 2-nd Krasnoarmeiskaya St. 4, 190005 St. Petersburg, Russia;

  • 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

    Indirect evaporative cooling; Cross-flow exchanger; Energy efficiency; Mathematical model;

    机译：间接蒸发冷却;错流交换器;能源效率;数学模型;

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