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Numerical study and performance evaluation of the Maisotsenko cycle cooling tower
Energy Conversion and Management ( IF 9.9 ) Pub Date : 2020-04-01 , DOI: 10.1016/j.enconman.2020.112735
Demis Pandelidis

Abstract Following paper presents detail investigation of the Maisotsenko cycle (M-Cycle) cooling tower through numerical modeling. For the purpose of this study, e-NTU model of the M-Cycle cooling tower (MCT) was developed and validated against experimental data. The results of the simulation allowed to analyze the heat and mass transfer process occurring inside the M-Cycle cooling tower and observe its most characteristic and important features. It was confirmed that MCT is able to cool the water below the wet-bulb temperature (which is not achievable by conventional cooling towers), even in very hot and humid conditions (outdoor air temperature of 40 °C and humidity ratio of. 20 g·kg−1). They also allowed to study the influence of the selected parameters (including inlet air temperature and humidity, inlet water temperature, NTU and heat capacity ratio between water and air) on the cooling tower performance. Critical factors which have highest impact on its effectiveness were established and discussed. The study confirmed high practical potential of using M-Cycle in water cooling applications.

中文翻译:

Maisotsenko循环冷却塔的数值研究与性能评价

摘要 以下论文通过数值模拟详细介绍了 Maisotsenko 循环 (M-Cycle) 冷却塔。出于本研究的目的,开发了 M-Cycle 冷却塔 (MCT) 的 e-NTU 模型,并根据实验数据进行了验证。模拟结果允许分析发生在 M-Cycle 冷却塔内部的传热和传质过程,并观察其最典型和最重要的特征。经证实,即使在非常炎热和潮湿的条件下(室外空气温度为 40 °C,湿度比为 20 g),MCT 也能够将水冷却到湿球温度以下(这是传统冷却塔无法实现的) ·kg-1)。他们还允许研究所选参数(包括入口空气温度和湿度、入口水温、NTU 和水与空气的热容比)对冷却塔性能的影响。确定并讨论了对其有效性影响最大的关键因素。该研究证实了在水冷应用中使用 M-Cycle 的巨大实用潜力。
更新日期:2020-04-01
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