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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Wind tunnel and CFD analysis of wind-induced natural ventilation in sheds roof building: impact of alignment and distance between sheds

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Author(s):
Lukiantchuki, Marieli Azoia [1] ; Shimomura, Alessandra Prata [2] ; da Silva, Fernando Marques [3] ; Caram, Rosana Maria [4]
Total Authors: 4
Affiliation:
[1] Univ Estadual Maringa, Maringa, Parana - Brazil
[2] Univ Sao Paulo, Fac Architecture & Urbanism, Sao Paulo - Brazil
[3] Natl Lab Civil Engn, Lisbon - Portugal
[4] Univ Sao Paulo, Inst Architecture & Urbanism, Sao Carlos - Brazil
Total Affiliations: 4
Document type: Journal article
Source: INTERNATIONAL JOURNAL OF VENTILATION; v. 19, n. 2, p. 141-162, 2020.
Web of Science Citations: 0
Abstract

Sheds roof is a natural ventilation strategy that presents roof openings working as air collectors or extractors. A detailed review of the literature indicates a lack of research analyzing the impact of different sheds roof shapes and roof configurations on natural ventilation potential. This paper aim is to evaluate the impact of changes in distance and alignment between windcatcher and leeward sheds roof. The methodology was Computational Fluid Dynamic (CFD) simulation. Tests were performed in an atmospheric boundary layer wind tunnel on a 1:15 scale model to evaluate the accuracy of CFD simulation in different design configurations of sheds roof. The analysis showed that CFD simulations are generally in good agreement with the wind tunnel tests. The difference between the most of the monitored points in the two tools used had errors below 10%. Besides this, the results show that changes in alignment of the sheds and increasing the distance between them decrease and increase the internal airflow to the leeward and windward sheds roof, respectively. In the first case it is due to the reduction in the sheds openings area. In the second these changes turn the sheds more effective in the air capture. (AU)

FAPESP's process: 11/11376-6 - Air collecting and extracting sheds to induce natural ventilation in buildings
Grantee:Marieli Azoia Lukiantchuki
Support Opportunities: Scholarships in Brazil - Doctorate