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Study of solar chimney in Tunisia: Effect of the chimney configurations on the local flow characteristics

机译：突尼斯太阳能烟囱的研究：烟囱结构对局部流动特性的影响

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摘要

The electric power production using solar chimney power plant is directly related to the velocity value along the chimney. In this work, the effect of the chimney configuration on the solar chimney power plant performance was investigated. A series of numerical simulations were conducted to simulate the turbulent flow. An experimental setup was developed in Tunisia to carry out several measurements. The comparison between the numerical and the experimental results showed a good agreement. The study focused on studying the solar chimney power plants with: standard, divergent, convergent and opposing chimney. The velocity fields, the static pressure, the magnitude velocity and the temperature distribution were presented and discussed. The results revealed that the chimney form affects the air velocity behavior. The maximum velocity emerges with divergent configuration. However, the others configurations adjust the maximum velocity location, in the chimney center for the opposing configuration, and in the chimney top for the convergent configuration. This variation is due to the static pressure distribution affected the chimney configuration change. (C) 2018 Elsevier B.V. All rights reserved.
机译：使用太阳能烟囱发电厂的电力生产与沿烟囱的速度值直接相关。在这项工作中，研究了烟囱结构对太阳能烟囱发电厂性能的影响。进行了一系列数值模拟，以模拟湍流。在突尼斯开发了一种实验装置，可以进行多次测量。数值与实验结果的比较表明吻合良好。该研究的重点是研究具有以下几种的太阳能烟囱发电厂：标准，发散，会聚和相对的烟囱。给出并讨论了速度场，静压力，幅度速度和温度分布。结果表明，烟囱形式影响空气流速行为。最大速度出现在不同的配置中。但是，其他构型会调整最大速度位置，在相对构型的烟囱中心，在会聚构型的烟囱顶部。这种变化是由于静压分布影响了烟囱的配置变化。 （C）2018 Elsevier B.V.保留所有权利。

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  • 来源
    《Energy and Buildings》 |2018年第6期|27-38|共12页
  • 作者

    Bouabidi Abdallah; Ayadi Ahmed; Nasraoui Haytham; Driss Zied; Abid Mohamed Salah;

  • 作者单位

    Univ Sfax, Natl Engn Sch Sfax ENIS, Lab Electromech Syst LASEM, BP 1173,Km 3-5 Soukra, Sfax 3038, Tunisia;

    Univ Sfax, Natl Engn Sch Sfax ENIS, Lab Electromech Syst LASEM, BP 1173,Km 3-5 Soukra, Sfax 3038, Tunisia;

    Univ Sfax, Natl Engn Sch Sfax ENIS, Lab Electromech Syst LASEM, BP 1173,Km 3-5 Soukra, Sfax 3038, Tunisia;

    Univ Sfax, Natl Engn Sch Sfax ENIS, Lab Electromech Syst LASEM, BP 1173,Km 3-5 Soukra, Sfax 3038, Tunisia;

    Univ Sfax, Natl Engn Sch Sfax ENIS, Lab Electromech Syst LASEM, BP 1173,Km 3-5 Soukra, Sfax 3038, Tunisia;

  • 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

    Solar chimney; Chimney configurations; CFD; Numerical analysis; Experiments;

    机译：太阳烟囱;烟囱构型;CFD;数值分析;实验;

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