Natural ventilation analysis: CFD simulations and simplified tests in a reduced physical model
Despite the many advantages of integrating bioclimatic concepts into architectural design, studies show that for most architects their actual application is difficult. This indicates the existence of a gap between academic knowledge and design practice, especially concerning natural ventilation. Man...
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| Glavni autori: | , , , |
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| Format: | Online |
| Jezik: | por |
| Izdano: |
Universidade Estadual de Campinas
2019
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| Online pristup: | https://periodicos.sbu.unicamp.br/ojs/index.php/parc/article/view/8652835 |
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| Sažetak: | Despite the many advantages of integrating bioclimatic concepts into architectural design, studies show that for most architects their actual application is difficult. This indicates the existence of a gap between academic knowledge and design practice, especially concerning natural ventilation. Many of the natural ventilation strategies are presented employing visionary designs that do not represent their performance indoors. The objective of this research is to verify the materialization of basic principles of natural ventilation through a simplified method, aiming to facilitate the understanding of these phenomena by students during the teaching of natural ventilation in universities and, later, its application in the architectural design. The methodology was divided into three stages. 1. Construction of a flexible and simplified physical model for use in natural ventilation teaching; 2. Experimental tests in the proposed model, regarding the impact of the location of the openings on the performance of the indoor airflow in buildings; 3. Computational simulations based on computational fluid dynamics (CFD) of the same scenarios evaluated by the simplified method, in order to prove the efficiency of the proposed model for educational use in. The experimental and numerical results verified compatibility between the two tools, showing that it is possible to use this simplified model for understanding basic principles of natural ventilation such as, for example, the definition of the location of openings. |
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