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The Effectiveness-NTU Approach for Evaluation of an Air-Cooled Heat Exchanger

机译：效能-NTU法评估风冷换热器

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摘要

A newly developed empirical model based on the effectiveness-NTU approach was developed for a dry-cooling simulation to evaluate the thermal performance of air-cooled heat exchangers. The value of this model is that air-cooled heat exchanger performance can be studied in a variety of working conditions. This information is useful in dry-cooling system evaluation. The purpose of this study was to present a calculation that would be accurate and simple to implement, and could be applied to evaluate and optimize the thermal performance for hybrid (wet/dry) cooling towers, in which dry- and wet-cooling towers are designed to work in combination. This study was only limited to a dry-cooling section. The tests showed that the predictions of the model were accurate and efficient.
机译：基于有效性-NTU方法的新开发的经验模型被开发用于干冷模拟，以评估风冷热交换器的热性能。该模型的价值在于可以在各种工作条件下研究风冷热交换器的性能。此信息对于干冷系统评估很有用。这项研究的目的是提出一种计算方法，该计算方法准确且易于实施，并且可用于评估和优化混合（湿式/干式）冷却塔的热性能，其中干式和湿式冷却塔都是设计结合使用。该研究仅限于干冷段。测试表明，该模型的预测准确有效。

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  • 来源
    《Heat Transfer Engineering》 |2016年第4期|140-149|共10页
  • 作者

    WANCHAI ASVAPOOSITKUL; MANTHEERAPOL KUANSATHAN;

  • 作者单位

    Department of Mechanical Engineering, King Mongkut's University of Technology Thonburi, 126 Pracha Uthit Rd., Bang Mod, Thung Khru, Bangkok 10140, Thailand;

    Department of Mechanical Engineering, King Mongkut's University of Technology Thonburi, Bangkok, Thailand;

  • 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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