Navegando por Assunto "Conforto ambiental"

Agora exibindo 1 - 2 de 2

Acesso aberto (Open Access)
Desempenho termoenergético da utilização de telhado vegetal em edificação no clima amazônico
(Universidade Federal do Pará, 2013-03-19) MARINHO, Dircirene Tavares; FRANCO, Irving Montanar; http://lattes.cnpq.br/4254203203850909; TOSTES, Maria Emília de Lima; http://lattes.cnpq.br/4197618044519148
The thermoenergetic performance of all construction work stems from the decisionmaking of the initial phase, and the thermo-physical characteristics of the materials used must be considered. The thermo-physical phenomenon of inertia in the roof vegetable offers resistance to the transport of thermic charge to inside the edification, reducing the demand of the electric energy needed to its climatic conditioning. At the same time, the low albedo of the roof vegetable contributes to mitigate the effects of the heat islands in urban environments. The bioclimatic and microclimatic study needed will determine the choice of the suitable construction materials, especially regarding the protection of surfaces exposed to solar heat load. This work deals with the experimental verification of the thermoenergetic performance of a room covered with grass in a place where the vegetation is predominant, in the Guamá Science and Technology Park, Federal University of Pará Campus. The key objective was to examine the thermal response of the slab by proving mitigation of heat spikes by physical phenomenon of thermal inertia, implying favorable results of energy performance by reducing the use of active cooling. It was performed preliminary characterization of the indoor and outdoor microclimate through the obtained values of temperature and relative humidity of air, and observed the evolution of internal environmental conditions in two phases, with the slab discovered and after application of vegetation. The quantitative results showed favorable performance of the roof vegetation in the moderation of heat flow through the slab, contributing to the reduction of the temperature of indoor air and consequent energy efficiency in buildings in Amazonian climate.
Acesso aberto (Open Access)
Estratégias de planejamento para otimização do consumo residencial de energia elétrica: uma abordagem baseada em smart home e sistemas fuzzy
(Universidade Federal do Pará, 2017-08-04) ANDRADE, Sérgio Henrique Monte Santo; FRANCÊS, Carlos Renato Lisboa; http://lattes.cnpq.br/7458287841862567
Residential energy consumption has grown steadily over the last decades, becoming a problem for companies in the electricity sector, for consumers and for the environment. The traditional measurement systems are not sufficient and have limitations in providing adequate real-time information about consumption. As also, they are not prepared to deal with variable energy costs in the context of a market with dynamic prices that depend on the energy mix. The future of electric grid, called Smart Grid, will not only be designed with measurements based on the residences, but also on the individualized equipment consumption level. From the residential side, consumers generally suffer from a lack of information on the specific equipment energy consumption impact and, consequently, on the required behavior to reduce its consumption. In this context, this work aims on a smartphone monitoring system concept, to control energy using fuzzy logic, in order to provide to the user ways to maintain his energy consumption, through consumption profiles, within the user-defined consumption patterns. The energy reduction demand through the consumption profiles working with habitant dependence degree on the electrical equipment present in the residence, promote a smaller impact on inhabitant well-being and the daily life.