Abstract

GIRALDO, Walter  and  HERRERA, Carlos A.. Passive ventilation and thermal comfort for public housing in ecuatorial climate. Ing. Desarro. [online]. 2017, vol.35, n.1, pp.77-101. ISSN 0122-3461.  https://doi.org/10.14482/inde.35.1.8944.

In general, comfort and health are not taken into account by social housing's (VIS) designers, nor are some issues of ecological sustainability such as, for example, natural ventilation. Two conditions worsen this situation: the first one is that knowledge of scientific comfort through passive strategies is barely known, and the second one is the thought that passive design is unprofitable for builders or for the state. In hot tropics, passive design strategies are complicated due to the high midday insolation (870 W/ m2) and due to the calmly wind. Here a solution is proposed that offers comfort and health through combining various ventilation and thermal load strategies; and its performance and effectiveness were evaluated in an experimental prototype that simulates a VIS' room in Cali (Colombia). It was found that in the original architectural configuration, a typical VIS is completely uninhabitable almost all the day; however some low budget modifications can turn it towards acceptable comfort and healthy levels. In particular solar chimneys proved very effective for air induction du ring the calm. The considered alternatives were implementable for new or refurbished designs.

Keywords : natural ventilation; solar chimney; thermal comfort..

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