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Revista U.D.C.A Actualidad & Divulgación Científica

versão impressa ISSN 0123-4226

Resumo

OSORIO SARAZ, Jairo Alexander et al. USE OF COMPUTATIONAL FLUID DYNAMICS TO SIMULATE TEMPERATURE DISTRIBUTION IN BROILER HOUSES WITH NEGATIVE AND POSITIVE TUNNEL TYPE VENTILATION SYSTEMS. rev.udcaactual.divulg.cient. [online]. 2013, vol.16, n.1, pp.159-166. ISSN 0123-4226.

In tropical and subtropical countries such as Brazil, temperatures inside agricultural facilities reach values greater than those considered suitable for thermal comfort for both animals and people. To predict the behavior and distribution of temperature in all directions of the structure and make correct decisions about the inside environment, the classic research method would require a significant experimental arrangement. Consequently, classic methodologies do not offer immediate information that might predict the internal behavior of the poultry houses against variations of external and internal conditions. The aim of this work was to use and validate the Computational Fluid Dynamics (CFD) as simulation tool to analyze the distribution of temperature in poultry houses with positive or negative pressure tunnel ventilation and with internal misting. The results from numerical simulation correlated well with the experimental data, and it is therefore recommended to predict the thermal behavior inside of poultry house for an animal production tunnel type.

Palavras-chave : Computational fluids dynamics (CFD); thermal control; broiler house; thermal comfort.

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