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A relação entre a capacidade de geração elétrica por fontes renováveis e não-renováveis e o crescimento econômico no Brasil
(Universidade Federal de Santa Maria, 2017-08-11)
The debate on the causes of climate and environmental changes is structured by studies that point out, as one of the main factors, the increase of energy demand. Renewable sources are relevant in a country's energy planning ...
Digestão anaeróbia de glicerol visando a produção de biohidrogênio
(Universidade Federal de Santa Maria, 2017-08-29)
Alternative energy sources have been gaining ground in the current scenario, and thus the bioprocesses for sustainable energy production have been more intensively investigated. The use of industrial waste as alternative ...
Modelo híbrido de séries temporais para previsão de demanda do mercado imobiliário de São Paulo
(Universidade Federal de Santa Maria, 2017-02-15)
One of the biggest problems associated with the use of demand forecasts at the support the decision-making is the choice of forecasting method to be implemented. In the context, present a behavior different from other ...
Filtração de ceras aplicando diferentes tratamentos físicos na superfície de meios filtrantes
(Universidade Federal de Santa Maria, 2017-07-20)
The presence of inorganic substances in the composition of crude wax decreases its commercial value, requiring purification of the product. A new physical treatment on the surface of the filter media was carried out by ...
Fracionamento da fração sólida obtida na pirólise de resíduos plásticos utilizando destilação molecular de filme descendente
(Universidade Federal de Santa Maria, 2017-08-29)
The large generation of plastic waste entails the need for recycling methods for the reduction and recovery of these materials. Molecular distillation technology is a viable process to separation high value-added products. ...
Hidrólise ácida de biomassa assistida por ultrassom para obtenção de furfural
(Universidade Federal de Santa Maria, 2017-07-12)
In this work, the applicability of ultrasound (US) for synthesis of furfural from biomass was investigated. Several US systems (baths, probes and a cup horn system) with different frequencies and power were evaluated (from ...
Modelagem e controle do conversor DAB para interface entre banco de baterias e sistema elétrico de potência
(Universidade Federal de Santa Maria, 2017-08-07)
This Master's Dissertation presents the development of a Dual Active Bridge (DAB) converter for charging a battery bank, which is connected to a DC bus, which is connected to the electric power system by means of an inverter. ...
Modelo de rede neural de múltiplas escalas de tempo aplicado ao robô Dimitri
(Universidade Federal de Santa Maria, 2017-02-22)
The idea for the implementation and application of the Multiple Timescale Recurrent Network (MTRNN) model started with experiments based on machine learning (Peniak et al., 2011; Nobuta et al., 2011). In which a humanoid ...
Análise de investimentos aplicada a unidades de armazenagem de arroz
(Universidade Federal de Santa Maria, 2017-11-28)
The grain’s storage infrastructure has not been following the national production’s growth. A lot of this is due to farmers’ insecurity in making high value investments without knowing the quantity of their economic return. ...
Projeto e desenvolvimento de um sistema para detecção da fração volumétrica de água contida no etanol
(Universidade Federal de Santa Maria, 2017-07-14)
In a constant search for new technologies to help and minimize the economic and environmental impacts, the research on new fuels and their methods of use for the generation of energy, through the burning of these, have ...