Efeito do posicionamento de ventiladores em instalações para aves em modelos em escala reduzida.

Abstract

The position of the ventilators in poultry installation is problem that is not resolved yet through the thermodynamic and bioclimatic point of view. The objective of this work was to studied by simulation the positioning of ventilators, using reduced scale models to analyze the climatic data, and electric resistance to simulate the heat liberate by the animals. There was studied three different positions to install the ventilators prototypes: Longitudinal direction, transversal direction and diagonal with an inclination of 45º with gyrator movement of 180º. The data was collected in spring time, anylising then with black globe temperature, dry and wet bulbs temperature, maximum and minimum temperature and wind speed. The thermal confort indexes utilized to evaluate the stud were: TG, CTR, Te, BGHI, THI. The statistical outline used were casualized blocks and Tukey’s test to compare the means. The result demonstrated that there was a significant different between the trataments, and that the positioning of the ventilators in the diagonal direction showed to have a best performance in comparison to the studied indexes.