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Projeto, implementação e testes de um amplificador de áudio de alta fidelidade para fones de ouvido
(Universidade Federal de São Carlos, 2023-09-01)
In this monograph, a high fidelity audio amplifier with tone control for headphones was developed. Circuits are built on printed circuit boards using discrete components. Topologies were initially determined to be simulated ...
Previsão probabilística dos resultados da copa do mundo de 2022 usando uma abordagem bayesiana
(Universidade Federal de São Carlos, 2023-09-06)
This work aims to build and evaluate a predictive statistical model
for football matches. To achieve this, we consider a Bayesian approach in a new
model inspired by Lee (1997). The inspiration comes from two points ...
A descarbonização e a importância do gás natural como fonte de energia no processo de transição energética
(Universidade Federal de São Carlos, 2023-08-28)
In a scenario of extreme weather conditions and increasingly frequent natural disasters, concern for environmental issues has been gaining more prominence in political, social, and economic discussions. Global warming, one ...
Análise da acidentalidade viária em trechos urbanos da Rodovia Federal BR-369 no Estado do Paraná
(Universidade Federal de São Carlos, 2023-08-18)
Road accidents in Brazil may present a worsening in their occurrence in the post-pandemic scenario. It is expected that the conditions of the roads will deteriorate due to a decrease in public and private investments, as ...
Análise técnico-econômica da produção de hidrogênio via reforma a vapor do etanol para a síntese de amônia
(Universidade Federal de São Carlos, 2023-08-29)
The use of fossil fuels as opposed to the use of renewable sources or processes with lower environmental impacts is still guided, in general, by the lack of economically attractive solutions in the market to compete and ...
Análise de séries temporais multivariadas via Wavelet
(Universidade Federal de São Carlos, 2023-08-24)
After the mid-1980s, wavelet theory quickly spread to many fields. Although wavelet analysis has the ability to decompose data into various time scales and to deal with nonstationary data and time location, this methodology ...
Seleção de materiais poliméricos para blindagem de baterias de carros elétricos
(Universidade Federal de São Carlos, 2023-08-25)
Electric vehicles (EVs) are an increasingly imminent reality, given the behind-thescenes efforts by major automakers to comply with new environmental regulations and
enhance mobility efficiency. When considering an EV, ...
Viabilidade econômica na produção de rubi sintético pelo método de fusão a laser para o mercado de jóias
(Universidade Federal de São Carlos, 2023-08-25)
The present study addresses the economic evaluation of the production of synthetic artificial rubies by means of the laser fusion method known as "Laser Heated Pedestal Growth" (LHPG), in contrast to the traditional Verneuil ...
Sinergia de solventes com desemulsificantes industriais: análise e comparação da eficiência na quebra de emulsão de água em óleo de petróleos brutos
(Universidade Federal de São Carlos, 2023-04-04)
The Oil&Gas industry originated in 1859, when the first well was drilled in the United States. Since then, numerous discoveries and improvements have been made in the exploration process, from extraction to refining. Over ...
Modelagem da fermentação alcoólica de uma usina sucroalcooleira
(Universidade Federal de São Carlos, 2023-08-29)
In the face of the challenge of climate change, the search for alternative energy sources that are economically and environmentally viable is necessary. In this paradigm, the production of ethanol through fermentation is ...