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Itens para a visualização no momento 81-90 of 215
Modulação phase disposition com algoritmo de sorting para conversores multiníveis simétricos em cascata
(Universidade Federal de Santa Maria, 2018-08-03)
This master thesis presents a modulation technique with sorting of the command
signals of semiconductor devices, applied to symmetric cascaded multilevel converters.
This technique, referenced here as Phase Disposition ...
Caracterização e tratamento de águas pluviais visando seu aproveitamento em edificações
(Universidade Federal de Santa Maria, 2018-08-03)
The rapid growth in urban population, alongside with the growing demand for water, as well as the imminent prospect of its scarcity, has led to serious pressures on water resources, making water conservation a current topic ...
Modelagem e controle de um conversor CUK isolado com célula R2P2 e multiplicador de tensão
(Universidade Federal de Santa Maria, 2018-07-27)
In recent years, there is an increasing energy demand due to the use of fossil fuels and it
has caused very large impacts on nature. As scientists and industries are aware that this
type of production uses limited reserves, ...
Água de abastecimento com elevada turbidez: eletrocoagulação/flotação como pré-tratamento em estações de tratamento de água
(Universidade Federal de Santa Maria, 2018-08-17)
Freshwater sources, surface (rivers, lakes) or groundwater, are generally used as resources for water supply. In order to the water to be distributed, treatments that aim at its ―safety‖ regarding aesthetic qualities, ...
Ensaio automatizado de medição da eficiência energética de inversores fotovoltaicos conectados à rede
(Universidade Federal de Santa Maria, 2018-07-16)
The objective of this work is the development of an automated test bench to measure the energy efficiency of grid connected photovoltaic inverters. A detailed study of the energy efficiency measurements standards for ...
Plano de gerenciamento de resíduos sólidos de serviços de saúde no Hospital Municipal de São Pedro do Sul – RS: um estudo de caso
(Universidade Federal de Santa Maria, 2018-08-31)
Currently, it’s a major concern of the hospital managers and managers of the solid wastes from
healthcare services. In order to promote the adequate management of this waste, each establishment is
responsible for designing, ...
Avaliação do efeito do gradiente de velocidade na agregação de partículas em unidades mistura completa e de fluxo pistonado
(Universidade Federal de Santa Maria, 2018-08-17)
In order to increase the knowledge about flocculation, unitary operation relevant for the water and wastewater treatment, the main goal of this study was to evaluate comparatively the effect of the velocity gradient (G) ...
Método estruturado para certificação LEED BD + C: novas construções ou grandes reformas
(Universidade Federal de Santa Maria, 2018-02-06)
The sustainable construction industry presents a technology migration that aims to reduce the impact of buildings on the built environment, future generations and their environment. In this sense, environmental certifications ...
Modelagem para mensuração do risco tecnológico em ambientes de inovação
(Universidade Federal de Santa Maria, 2018-09-03)
The knowledge-driven economy, driven by the advancement of technology, provides a dynamic and competitive economic scenario, making organizations look for innovations to stay sustainable over time. Given this, the growing ...
Avaliação do ciclo de vida (ACV) do etanol combustível com elevados teores de água
(Universidade Federal de Santa Maria, 2018-03-20)
The small-scale production of fuel ethanol has serious process-related energy efficiency problems. However, increasing the hydration content of fuel ethanol proposes an alternative to improve the energy balance of the ...