Thermal Comfort And Thermal Load
Mostrando 1-12 de 14 artigos, teses e dissertações.
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1. ENVIRONMENTAL THERMAL COMFORT OF A REDUCED MODEL USING CROSS-LAMINATED TIMBER
ABSTRACT The challenges for the use of the cross-laminated timber (CLT) system in the Brazilian agricultural market are significant. This study evaluated the thermal performance of fiber cement tiles associated with a CLT non-conventional structure compared to those of ceramic, fiber cement and aluminum roof tiles based on following thermal comfort indexes (
Eng. Agríc.. Publicado em: 2020-08
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2. SIMILITUDE AND THERMAL PERFORMANCE ON NON-CONVENTIONAL ROOFS
ABSTRACT The objectives of this study were to evaluate the thermal comfort and the similitude between prototypes and reduced models, using non-conventional coverage with green roof and expanded clay aggregate, supported on wood frame structure. For this, were determined the Black Globe Temperature and Humidity Index (BGHI), the Human Discomfort Index (HDI),
Eng. Agríc.. Publicado em: 2018-01
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3. THERMAL EFFICIENCY OF DIFFERENT COVERAGE MATERIALS IN REDUCED MODELS OF ANIMAL HUSBANDRY FACILITIES: A CASE STUDY
ABSTRACT This study aimed to assess different combinations of coverage materials in reduced models of animal husbandry facilities based on thermal comfort indices. It was conducted in an experimental area of the Research Center in Ambience located in São Paulo State, Brazil (22°42′30″ S and 47°38′00″ W). The performance of ceramic and fiber-cement
Eng. Agríc.. Publicado em: 2017-06
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4. PHYSIOLOGICAL RESPONSES OF DAIRY COWS AS A FUNCTION OF ENVIRONMENT IN HOLDING PEN
ABSTRACT This research aimed to assess the climatization configuration in a holding pen for dairy cattle considering physiological responses of animals and thermal comfort indexes. Experimental design consisted of 16 cows in a Latin square design containing four groups of four animals (G1, G2, G3 and G4) and four periods (P1, P2, P3 and P4), in which four en
Eng. Agríc.. Publicado em: 2017-04
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5. Estudo do comportamento de materiais não convencionais utilizados como revestimento de paredes, visando à redução da carga térmica.
A presente dissertação estudou o compartamento térmico, físico e mecânico das argamassas de revestimentos compostas por gesso puro, gesso/EVA (ethylene-vinyl acetate copolymer) e gesso/vermiculita aplicadas nas superficies das paredes de edificação visando à redução da carga térmica relativamente às paredes convencionais constituídas de tijolos
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/02/2012
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6. Avaliação de diferentes materiais de cobertura para construção do telhado de aviários móveis
This research aimed to: 1) was to test different materials of cover the roof of aviaries furniture on thermal comfort indices for birds; and 2) was to evaluate the surface temperature and cloacal broiler chickens raised in aviaries furniture, with different covers for the roof. To test different roofing materials for the roof aviaries were built three mobile
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 06/02/2012
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7. Curtain color and lighting program in broiler production: III - thermal comfort
The objective of this study was to evaluate the thermal comfort of broilers reared under two lighting programs (almost continuous and intermittent) in broiler houses with yellow or blue lateral curtains. The experiment was carried out from June 24, 2004 until May 12, 2005. Six consecutive flocks were housed in four 12 × 10 m broilers houses internally divid
Revista Brasileira de Zootecnia. Publicado em: 2011-09
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8. Effect of floor type (dirt or concrete) on litter quality, house environmental conditions, and performance of broilers
This study was conducted with the objective of evaluating the use of concrete or hard-packed dirt floor in broiler houses. This experiment was carried out in two different phases. The following performance parameters were studied: live weight, feed intake, feed conversion ratio, and mortality. Litter moisture, pH and temperature were measured. Litter residua
Revista Brasileira de Ciência Avícola. Publicado em: 2011-06
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9. Ergonomic evaluation of operations in poultry production systems / Avaliação ergonômica em operações do sistema produtivo de carne de frango
Based on the importance of poultry production for the Brazilian economy and based on current demands of domestic and foreign markets with respect to production and processing of chicken meat, several aspects should be improved in the production chain in order to provide increased product quality with particular attention to safe working conditions for employ
Publicado em: 2009
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10. Behavioral patterns of Angus, Caracu and Nelore beef cattle under grazing conditions with availability of shade and water for immersion / Aspectos comportamentais de bovinos das raças Angus, Caracu e Nelore a pasto frente à disponibilidade de recursos de sombra e água para imersão
Cattle under grazing conditions in tropical areas seek for shade as a thermal comfort resource often during the hottest periods of the day. The objective of this study was to evaluate and understand how cattle of different origins (Caracu - adapted taurus, Nellore - zebu and Red Angus - european taurus) use the thermal comfort resources, quantifying the freq
Publicado em: 2008
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11. Absortancia solar de superficies opacas : metodos de determminação e base de dados para tintas latex acrilica e PVA / Solar absorptance of opaque surfaces : a determination methods and data base for latex acrylic and PVA coatings
Solar radiation is the main responsible factor for the thermal load of buildings, and its impact over this load depends, mainly, on the solar absorptance of the building envelope. The lack of reliable and current data implies that researchers and specialists use visual perception or adopt tables based on surface colors to quantify the solar absorptance, whic
Publicado em: 2008
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12. Influência da arborização de pastagens no sistema solo-planta-animal. / Influence of tree planting in pastures on the soil-plant-animal system.
The purpose of this study was to evaluate influence of four leguminous trees species in the production, quality of the grass Brachiaria brizantha cv. Marandu, soil fauna, the microclimate, and the animal behavior in pastures cultivated in a consortium tree-grass system, comparing areas with scattered trees and a single grass pasture. The experiments were con
Publicado em: 2008