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O presente trabalho teve o objetivo de avaliar o ambiente térmico no interior de modelos físicos de galpões avícolas construídos em escala reduzida (1:10). O conforto térmico foi avaliado por meio do Índice de Temperatura do Globo Negro e Umidade (ITGU), Carga Térmica de Radiação (CTR) e efetividade das coberturas em reduzir o ITGU em relação à cobertura construída com telhas de alumínio (épsilon). Quatro modelos construídos com telhas cerâmicas e equipados com ventilação natural ou forçada foram comparados a dois modelos construídos com telhas cerâmicas e de alumínio, respectivamente, sem lanternim. Pode-se concluir que as coberturas com câmaras de ventilação artificial (B30CVF) ou natural (B30CVN) proporcionaram melhores ambientes térmicos no interior dos modelos reduzidos, no qual o último tem a vantagem de não requerer gasto de energia elétrica. The goal of the present work was to evaluate the thermal environment inside physical models of broiler housings built in reduced scale (1:10). The thermal comfort was evaluated through the Black Globe Humidity Index (BGHI), Thermal Heat Load (THL) and effectiveness of the roofs in reducing the BGHI in relation to roofs built with aluminum tiles (epsilon). Four models built with ceramic tiles and equipped with natural or forced ventilation were compared to two models built with ceramic and aluminum tiles, respectively, without ridge vent. It was concluded that the roofs with forced (B30CVF) and natural (B30CVN) ventilation chamber provided better thermal environments inside the reduced models, in which the last has the advantage of not requesting electric power source

Ambiente térmico no interior de modelos de galpões avícolas em escala reduzida com ventilação natural e artificial dos telhados