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Experimental Performance and Comfort Analyses of Photovoltaic Thermoelectric System in a Room Air-Conditioning Application

机译：房间空调应用中光伏热电系统的实验性能及舒适分析

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摘要

In this study, the cooling and dehumidification performance of a photovoltaic powered thermoelectric air conditioning system is investigated under tropical climate. The system is first investigated under a controlled environment with different flow arrangements of the hot junction cooling air stream. Better temperature reduction was observed when the cross-flow arrangement is used. Besides, it delivered the best reduction when 1.7 A current level is supplied to each thermoelectric module (TEM). The system performance was then investigated in a 3.6 m~3 room application under real weather conditions. When 1.7 A current level supplied to each TEM, it delivered 181 W and 0.14 Itr/hour average cooling load and moisture removal rate, respectively. The corresponding indoor room temperature is 4°C less than the unconditioned reference room, 7 to 7.6°C lower than the outdoor in the afternoon, and the indoor relative humidity varies between 58 to 83%. The indoor thermal comfort analysis indicated that the indoor modified predicted mean vote is 0.24 and classified as Class A in the ISO thermal acceptability, coupled with 26.6% of mean dissatisfaction. Hence, the photovoltaic thermoelectric cooling system could be a potential option to substitute the conventional air conditioning system as it is Freon-free and no moving parts.
机译：在该研究中，在热带气候下研究了光伏动力热电空调系统的冷却和除湿性能。首先在具有不同流动布置的受控环境下进行调查，热结冷却空气流的不同流动布置。当使用横流装置时，观察到更好的温度降低。此外，当电流水平提供给每个热电模块（TEM）时，它交付了最佳减少。然后在真正的天气条件下调查系统性能在3.6米〜3房间应用中。当1.7提供给每个TEM的电流水平时，它分别提供181瓦和0.14 ITR /小时平均冷却负荷和水分去除率。相应的室内室温比无条件的参考室为4°C，比下午的室外低7至7.6°C，室内相对湿度在58至83％之间变化。室内热舒适性分析表明，室内改性的预测平均投票是0.24，并按ISO热可接受性分类为A类，加上26.6％的平均不满。因此，光伏电热冷却系统可以是替代传统空调系统的潜在选择，因为它是无氟莱诺的并且没有移动部件。

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  • 来源
    《Heat Transfer Engineering》 |2021年第14期|1172-1183|共12页
  • 作者

    Kar Kin Looi; Aklilu Tesfamichael Baheta; Khairul Habib;

  • 作者单位

    Mechanical Engineering Department Universiti Teknologi PETRONAS Perak Malaysia;

    Mechanical Engineering Department Universiti Teknologi PETRONAS Perak Malaysia;

    Mechanical Engineering Department Universiti Teknologi PETRONAS Perak Malaysia;

  • 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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