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Influência do módulo de finura nas proprieades de argamassas com aditivo incorporador de ar
(Universidade Federal de Santa Maria, 2019-08-15)
The characteristics of the fine aggregate that are present in mortar composition
significantly influence the properties of the mortars, and may change the application
yield and performance in the hardened state. Using ...
Avaliação do desempenho dos métodos de proteção contra a perda de excitação em geradores síncronos: uma contribuição para a melhoria da técnica baseada em combinações de sinais
(Universidade Federal de Santa Maria, 2019-07-19)
This work aims to evaluate the behavior of synchronous generators against total (TLOE)
and partial (PLOE) loss of excitation, to demonstrate the behavior of the main electrical variables
involved, to analyze the performance, ...
Compostagem de lodo de uma estação de tratamento de efluentes sanitários
(Universidade Federal de Santa Maria, 2018-09-28)
Due to the development of environmental technologies, sewage and effluent treatment has become increasingly efficient in the removal of pollutants. As a result, loads of xenobiotics are removed from the wastewater. In ...
Avaliação da acessibilidade espacial no Parque João Goulart, Santa Rosa, RS
(Universidade Federal de Santa Maria, 2019-08-19)
People with disabilities and reduced mobility, beyond the medical and individual perspective, associate themselves to a structural and social perspective, where the interaction environment has a huge impact on the experience ...
Circuito para monitoramento e restabelecimento da tensão elétrica em células a combustível tipo PEM usando curtos-circuitos controlados
(Universidade Federal de Santa Maria, 2019-03-31)
Electricity generation from renewable sources can contribute significantly to mitigate the impacts that non-renewable sources have on nature. Of these, hydrogen power generation is of great interest and can be easily ...
Ferramenta computacional para auxiliar na redução de custos com energia elétrica
(Universidade Federal de Santa Maria, 2019-08-30)
Finding alternatives to reduce electricity costs is important, even more so if they are available on a single platform, and can be analyzed separately or together, quickly and practically, indicating accurate results. This ...
Estudo de viabilidade econômica e socioambiental do etanol super-hidratado como combustível para mobilidade e geração de energia
(Universidade Federal de Santa Maria, 2019-03-11)
Fossil fuels (gasoline and diesel) are largely used as primary energy source for mobility and stationary power generation. Meanwhile, their use has a negative impact on Greenhouse Gas (GHG) emission, and maintains the ...
Deformações e modo de ruptura em prismas de blocos de concreto: análise experimental com extensometria e correlação de imagem
(Universidade Federal de Santa Maria, 2019-12-06)
Evaluating deformations that constituent materials of structural masonry suffer has been the focus of researchers around the world. Structural masonry is a structural system that has a behavior difficult to predict because ...
Avaliação da angularidade de agregados miúdos de diferentes litologias para uso em pavimentação
(Universidade Federal de Santa Maria, 2019-08-30)
Aggregates are of great importance in the composition of asphalt concrete mixtures (AC) occupying a volume between 80 and 90% of the total volume, where angularity interferes with the performance of asphalt coatings. This ...
Construção de modelos matemáticos para processos fermentativos – avaliação de efeitos das condições de cultivo
(Universidade Federal de Santa Maria, 2019-10-04)
The mathematical modeling of fermentative processes is presented as a tool for improving and understanding of such processes, which has the main objective to predict predicting the dynamics of the process. Besides, the ...