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Type: Artigo de evento
Title: Design Alterations In Urban Self-built Houses In Campinas, Brazil: Analysis Of Their Effects On Ventilation Through Cfd
Author: Oliveira M.
Labaki L.
Vatavuk P.
Abstract: There are a lot of papers about social and economic factors of low-income people who live in self-built housing constructions. Generally, project houses for these people come true in places with poor infrastructure conditions and low value. The aim of this paper is to show how the modifications in the projects of these houses without professional assistance can be negative for the natural ventilation system. By using the CFD software Phoenics 3.6, an analysis of the ventilation of self-built houses in the urban area of Campinas, Brazil, is carried out. Three houses which suffered modifications in relation to their first projects in a period of five years were analyzed, through simulations: in the first one, the number of rooms was increased; in the second one, the facade was altered and finally, the roof area was extended in the front of the house to create garages. For the simulation each lot was divided in cells defining a staggered mesh of 126 cells 1m 2 each, following the standard lot size. The results show changes in the direction and velocity of wind flow, as well as areas with recirculation of flow originated from these changes, proving the necessity of previous studies to design changes that may seem insignificant in relation to the built area.
Rights: fechado
Identifier DOI: 
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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