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Projeto e construção de pré-amplificadores de áudio valvulados
(Universidade Federal de São Carlos, 2019-10-31)
This paper describes the design and construction of tube audio preamps for vinyl record playback and tone control. The phono preamp is designed to correct the RIAA recording curve present on vinyl records. The two band ...
Análise da demanda de vagas de estacionamento na Universidade Federal de São Carlos - Campus São Carlos
(Universidade Federal de São Carlos, 2019-06-24)
The demand for parking spaces at the Federal University of São Carlos increases year after year with the inclusion of an increasing number of courses and students enrolled in on-site undergraduate and graduate programs. ...
Avaliação da produção de etanol em usinas flex de cana-de-açúcar e milho
(Universidade Federal de São Carlos, 2019-12-09)
In view of the needs of ethanol production in Brazil during the sugarcane off-season,
research indicates the use of corn in this period by the sugar and alcohol industries, mainly
in the brazilian central-west region, ...
Utilização de aprendizado supervisionado na predição da demanda de energia no processo de produção de cumeno
(Universidade Federal de São Carlos, 2021-06-29)
Data Science is a field of knowledge very requested nowadays, specially for
digital and technology industries. Despite the increasing investment in this area,
also by chemical industries, some elements of data science, ...
Análise da interação compressor-tubo capilar na adaptação de um sistema de refrigeração de R134a para R290 ou R600
(Universidade Federal de São Carlos, 2021-04-01)
In a context with environmental concern getting more and more importance, products that are aggressive to the environment are receiving less and less demand. For instance, the refrigeration industry is being directed to ...
Análise de sobrevivência em marketing, considerando o modelo exponencial com fragilidade compartilhada, na predição de churn
(Universidade Federal de São Carlos, 2021-06-10)
Services companies like telephony, health plans, internet and others, have redirect their marketing strategies in the customers retention. By maintaining a business relationship with their consumers, companies guarantee ...
Estudo do teste SNHT (Standart Normal Homogeneity Test) para detecção de pontos de mudança em séries temporais
(Universidade Federal de São Carlos, 2021-06-20)
The study of time series is extremely important for a better understanding
how certain events develop over time. To do this, be able to
to indicate the exact moment when a given phenomenon changes its pattern of
behavior ...
Análise de chatter no torneamento de aço endurecido utilizando o método de elaboração de diagramas de lóbulos de estabilidade
(Universidade Federal de São Carlos, 2021-04-01)
Chatter is a self-excited phenomenon that affects manufacturing processes, which causes a poor surface quality in final pieces, excessive tool wear, waste of material and uncomfortable noise, causing financial loss and bad ...
Simulações por CFD da fluidodinâmica em cabine aerosol box para diferentes condições operacionais
(Universidade Federal de São Carlos, 2021-06-29)
During the treatment of diseases that causes respiratory issues, such as Covid-19, patients sometimes require endotracheal intubation procedures in which healthcare workers are highly exposed to viral agents that are ...
Simulação CFD de um leito de jorro cônico utilizando OpenFOAM
(Universidade Federal de São Carlos, 2021-06-28)
The performance of open-source computational fluid dynamics (CFD) software, OpenFOAM, relative to the widely-used Ansys suite of CFD software, was evaluated through the validation of two equivalent simulations of a spouted ...