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Performance evaluation of a modular design ofwind tower withwetted surfaces

Khani, S. M. R ; Sharif University of Technology | 2017

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  1. Type of Document: Article
  2. DOI: 10.3390/en10070845
  3. Publisher: MDPI AG , 2017
  4. Abstract:
  5. Wind towers or wind catchers, as passive cooling systems, can provide natural ventilation in buildings located in hot, arid regions. These natural cooling systems can provide thermal comfort for the building inhabitants throughout the warm months. In this paper, a modular design of a wind tower is introduced. The design, called a modular wind tower with wetted surfaces, was investigated experimentally and analytically. To determine the performance of the wind tower, air temperature, relative humidity (RH) and air velocity were measured at different points. Measurements were carried out when the wind speed was zero. The experimental results were compared with the analytical ones. The results illustrated that the modular wind tower can decrease the air temperature significantly and increase the relative humidity of airflow into the building. The average differences for air temperature and air relative humidity between ambient air and air exiting from the wind tower were approximately 10 C and 40%, respectively. The main advantage of the proposed wind tower is that it is a modular design that can reduce the cost of wind tower construction. © 2017 by the authors
  6. Keywords:
  7. Analytical method ; Experimental measurements ; Passive cooling systems ; Wind tower ; Air ; Atmospheric temperature ; Cooling ; Cooling systems ; Thermoelectric equipment ; Ventilation ; Air temperature ; Average difference ; Modular designs ; Natural cooling ; Natural ventilation ; Passive cooling ; Wind towers ; Towers
  8. Source: Energies ; Volume 10, Issue 7 , 2017 ; 19961073 (ISSN)
  9. URL: https://www.mdpi.com/1996-1073/10/7/845