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Estudo comparativo entre semicondutores de silício e nitreto de gálio em circuitos de acionamento de leds
(Universidade Federal de Santa Maria, 2017-03-03)
This dissertation presents a comparative study about the performance of silicon (Si) and gallium nitride (GaN) semiconductors in drivers for light emitting diodes. Hereby, it is expected to provide the theoretical background ...
Avaliação de misturas asfálticas recicladas mornas com uso de ligantes convencional e modificado por polímero
(Universidade Federal de Santa Maria, 2017-03-30)
The growing concern with the environment, in recent years, awakens the study of new technologies in the field of paving. Less polluting technologies that minimize the degradation of the environment and that seek to meet ...
Análise dos serviços de tecnologia da informação para projeto de capacidade estratégica
(Universidade Federal de Santa Maria, 2017-03-31)
The Information Technology (IT) performs an important role in modern organizations and has became strategic to achieve their objectives. This role's change and the relevancy of IT determined the araising of the IT governance, ...
Avaliação da dinâmica de nuvens e do impacto em redes de distribuição com grande participação de geração fotovoltaica
(Universidade Federal de Santa Maria, 2017-03-03)
The search for a more diverse energy matrix, to decrease the fossil fuel consumption com-bined with the enhance concern of environmental impacts results in an increasing interest on the installation of distributed generators. ...
Avaliação da interesterificação catalítica de óleo de macaúba com acetato de metila
(Universidade Federal de Santa Maria, 2017-01-27)
The world concern about the increasing of energy demand, depletion of fossil fuel reserves and global warming aroused interest in biodiesel production. Commonly produced through basic homogeneous transesterification, the ...
Análise numérica de ligações viga-pilar com dupla cantoneira e com chapa de topo estendida em estruturas de aço
(Universidade Federal de Santa Maria, 2017-03-09)
In order to evaluate their behavior when submitted to simple bending, this paper presents a numerical analysis of two beam-column connection types in steel structures, of double web-angle connections and of extended end-plate ...
Obtenção de ácido giberélico por fermentação em estado sólido empregando resíduo de cervejaria e farelo de arroz bruto como substratos
(Universidade Federal de Santa Maria, 2017-03-21)
Gibberellic acid (GA3), a phytohormone belonging to the group of gibberellins is widely used in agricultural formulations, since it allows increased productivity in different types of crops. Due to the high final cost of ...
Contribuição ao estudo de técnicas de acionamento e controle aplicadas ao gerador de relutância variável
(Universidade Federal de Santa Maria, 2017-03-06)
This master thesis presents the study of a generation system based on switched
reluctance generators. This machine presents as characteristics simple structure, mechanical
robustness, wide range of speed, low cost, high ...
Otimização do comportamento térmico de edificações industriais: estudo de caso em indústria metalomecânica na Zona Bioclimática Brasileira 2
(Universidade Federal de Santa Maria, 2017-04-25)
Commitment to providing thermally comfortable working environments is one of the key aspects for workers to raise their performance. To achieve this goal, sometimes, high energy consumption is required. In this sense, this ...
Potencial de utilização de espécies arbóreas para proteção solar de edifício residencial na zona bioclimática 2 brasileira
(Universidade Federal de Santa Maria, 2017-03-07)
The vegetation has a preponderant role in the attenuation of the solar radiation incident on the
built environment and in the obtaining of a microclimate that provides greater conditions of
thermal comfort. The present ...