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Estimativa de chuvas intensas em locais sem dados no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2019-02-08)
The knowledge of the intense rainfall is important in the project of several engineering works, which normally, is defined from the intensity-duration-frequency relations (IDF), allowing to estimate in a simple way the ...
Hidrólise subcrítica de palha e cascas de arroz para obtenção integrada de açúcares fermentescíveis e material adsorvente
(Universidade Federal de Santa Maria, 2019-03-22)
In this research, coproducts from rice harvesting and manufacturing, such as straw and husks, were submitted to subcritical water hydrolysis in order to obtain a hydrolyzed liquid containing fermentable sugars and a solid ...
Avaliação da contaminação ambiental em um aterro sanitário de pequeno porte, sem utilização de geomembrana, na região noroeste do estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2019-05-29)
Landfills may lead to soil and water contamination (surface and groundwater) when improperly operated, especially if there is no geomembrane waterproofing system. Thus, this study aims to analyze changes in the sanitary ...
Seleção ótima de baterias armazenadoras de energia em redes de distribuição com geração distribuída considerando modelagem da operação por redes neurais
(Universidade Federal de Santa Maria, 2019-05-27)
This thesis presents a methodology for optimal determination of type, bar, and capacity of
Battery Energy Storage Systems (BESS) in distribution systems with distributed generation
(DG) where the battery optimal operation ...
Inversor multiníveis quasi-Z-source com fonte CC única e compartilhamento de potência ativa entre os módulos
(Universidade Federal de Santa Maria, 2019-07-26)
Due to its ability to provide Maximum Power Point Tracking (MPPT) control and independent
regulation of the DC bus voltage, this makes the inverter quasi-Z-Source (qZS) an attractive
candidate for applications in ...
Produção de óleo e material adsorvente a partir da biomassa do fungo Nigrospora sp.
(Universidade Federal de Santa Maria, 2019-07-24)
This works was focused on the production of microbial oil from the biomass of the fungus Nigrospora sp. and the reuse of defated residual biomass as a biosorbent to recovery dye from aqueous solution. The study was divided ...
Avaliação do potencial de cascas residuais como biossorventes para o tratamento de efluentes de simulados têxteis
(Universidade Federal de Santa Maria, 2019-08-12)
Industrial activities are the main causal agents in the contamination of waste water by dyes, due to the large amount of organic pollutants released in the effluents. In this scenario, adsorption has been pointed out as a ...
Substituição de transformadores de potência em subestações de energia: uma estratégia global
(Universidade Federal de Santa Maria, 2019-05-30)
The knowledge of the operating conditions of power transformers in substations is of great relevance to the power system in order to improve their reliability. From the point of view of the concessionaires, it is necessary ...
Metodologia para consideração de tendências climáticas em curvas IDF de precipitação
(Universidade Federal de Santa Maria, 2019-08-16)
Many studies show that extreme rainfall have changed their behavior in recent years, caused
by climate change. This fact has consequences such as increased occurrence of flood and
other critical events in urban areas. ...
Influência de cortes no comportamento mecânico de paredes em alvenaria estrutural submetidas à compressão
(Universidade Federal de Santa Maria, 2019-09-13)
Chases in masonry walls with no design prediction are often found in Brazilian buildings, usually for electrical, hydraulic, gas, air-conditioning, and other installations. As the wall is the supporting element in this ...