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Study of the energy performance of an earth-Air heat exchanger for refreshing buildings in Algeria

机译:阿尔及利亚建筑物翻新用地-空气热交换器的能源性能研究

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摘要

This paper presents a study on energy performance of an earth air heat exchanger (EAHE) for buildings in Maghreb climatic context (Oran, Bechar and Adrar cities in Algeria). In order to check the influence of the material, two air conducts (one of galvanized sheet metal and the other in polyvinyl chloride-PVC) are considered under the same geometric conditions (a 20 m conduct length, 120 mm diameter and 2 m burial depth). They are used separately for the ventilation in simple current flow of two adjoining rooms constituting a test cell located at the university campus IGCMO-USTOMB (Oran, Algeria). An experimental device has been set up to measure the temperature at different points (air inlet/outlet air duct). Measurements were run in August 2015, and the monitoring of both exchangers allowed us to evaluate their cooling performance: 35.41% for the Zinc pipe and 58.42% for the PVC pipe. Experimental results were compared to those obtained from the simulation (under the Trnsys 16) and a fair similarity is obtained. In order to optimize the energy performance of the exchanger (EAHE), numerical simulations are carried out by varying different parameters: climate, burial depth, length and diameter of the duct. Other simulations have shown that the energy supplied by the cooling exchanger (EAHE) is more significant in the south of the country (Adrar and Bechar) than in the north (Oran). (C) 2017 Elsevier B.V. All rights reserved.
机译:本文介绍了在马格里布气候环境下(阿尔及利亚的奥兰,贝查尔和阿德拉尔市)建筑的地面空气热交换器(EAHE)的能源性能研究。为了检查材料的影响,在相同的几何条件下(导线长度为20 m,直径为120 mm,埋深为2 m),考虑了两种空气导管(一种镀锌金属板,另一种采用聚氯乙烯-PVC)。 )。它们分别用于两个相邻房间的简单电流流通,这两个房间构成了位于大学校园IGCMO-USTOMB(阿尔及利亚奥兰多)的一个测试单元。已经设置了一个实验设备来测量不同点(进气口/出风口)的温度。在2015年8月进行了测量,对这两个交换器的监控使我们能够评估它们的冷却性能:锌管为35.41%,聚氯乙烯管为58.42%。将实验结果与从仿真中获得的结果进行比较(在Trnsys 16下),并获得了相当的相似性。为了优化交换器(EAHE)的能源性能,通过改变不同的参数进行数值模拟:气候,埋藏深度,管道的长度和直径。其他模拟表明,冷却交换器(EAHE)所提供的能量在该国南部(Adrar和Bechar)比在北部(Oran)更重要。 (C)2017 Elsevier B.V.保留所有权利。

著录项

  • 来源
    《Energy and Buildings》 |2018年第2期|1602-1612|共11页
  • 作者单位

    Univ Sci & Technol Mohamed BOUDIAF, Fac Architecture & Civil Engn, Dept Civil Engn, Mat Soil & Thermal Lab LMST, Oran, Algeria;

    Univ Sci & Technol Mohamed BOUDIAF, Fac Architecture & Civil Engn, Dept Civil Engn, Mat Soil & Thermal Lab LMST, Oran, Algeria;

    Univ Djilali Liabes, Sidi Bel Abbes, Algeria;

    Univ Reims, GRESPI LTM Lab EA 4694, Reims, France;

    Univ Reims, GRESPI LTM Lab EA 4694, Reims, France;

    Univ Djilali Liabes, Sidi Bel Abbes, Algeria;

  • 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

  • 入库时间 2022-08-18 00:08:38

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