Centro de Ciências Exatas e de Tecnologia - CCET: Recent submissions
Now showing items 1901-1920 of 7409
-
Jogos eletrônicos e e-sports: desenvolvimento e mercado
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 30/06/2020)The e-sports or electronic sports are a way of competing using videogames that have gained popularity in recent years. Its relevancy has attracted the making of new studies, and in this monograph the objective is to analyze ... -
Gestão e Identificação de resíduos sólidos gerados na reforma de uma indústria para análise e eficiência do processo
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 23/01/2021)Nowadays, there are environmental concerns with the amount of waste generated in various processes, and in particular, in civil construction with the construction, renovation and demolition processes that are major waste ... -
Análise de relatório público de monitoramento de qualidade de recursos hídricos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 23/01/2021)The importance of water for life and for the economy, its heterogeneous availability, and the different interests involved in its uses brought the need for Water Resources Management. This management uses water monitoring ... -
O papel dos stakeholders na gestão de riscos em recalls na cadeia de alimentos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia de Produção - PPGEP, Câmpus São Carlos, 30/06/2021)The complexity of food supply chains (FSCs) is one of the factors that increase the vulnerability of companies to internal, external and environmental risks, causing different types of recalls, such as failures in product ... -
Oxidação direta de metano a metanol sobre espécies [CuxOy] incorporadas em zeólitas ferrierita
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 06/05/2021)The development of technologies to minimize the CO2 emissions, which are generated by the indiscriminate burning of fossil fuels, remains a relevant research topic in the context of the planet's sustainability. Thus, it ... -
Mantas de fibras poliméricas eletrofiadas baseadas em poli(ácido láctico)(PLA) e borracha natural contendo curcumina visando aplicações como curativo cutâneo
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Biotecnologia - PPGBiotec, Câmpus São Carlos, 26/01/2021)Although the use of antibiotics has been indispensable for the control of diseases in humans and animals, their indiscriminate consumption has favored the appearance of bacteria resistant to antibiotics. ... -
Análise da demanda de vagas de estacionamento na Universidade Federal de São Carlos - Campus São Carlos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/06/2019)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. ... -
Geometria Diferencial via Referenciais Móveis
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 25/06/2021)In this work, we present a study on the theory of differential geometry of surfaces with a language of moving references. At first, we will introduce some groups of matrices and their actions in Euclidean space. Once this ... -
Engenharia de reservatórios com temperaturas efetivas arbitrárias e máquinas térmicas quânticas para sistemas de spins nucleares
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Física - PPGF, Câmpus São Carlos, 24/05/2021)In this work we show how to engineer reservoirs with different effective temperatures for a single qubit (quantum bit) system. To that end, we built an appropriate interaction between a qubit, that is, a 13C nuclear spin, ... -
Catalisadores NiMo/γ-Al2O3 aditivados com Nb - Atividade para a hidrodessulfurização de tiofeno
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 30/04/2021)The burning of fuels in the industry or in vehicle engines is a direct agent in the generation of the atmospheric pollution through the emission of contaminating gases such as NOx and SOx. To minimize this impact, environmental ... -
Caracterização de um dataset de mobilidade dos ônibus da cidade de São Paulo
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 28/01/2021)Simulation is a widely used technique for validation and testing of routing protocols in vehicular networks (VANETs). These simulations are based on mobility models that must follow the real movement patterns of vehicles ... -
Comparação de modelos para o cálculo da porosidade local em simulações CFD-DEM de um leito fluidizado líquido
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 28/06/2021)In the present study, a liquid fluidized bed was simulated using the Unresolved CFD-DEM approach, evaluating the application of three local void fraction calculation methods with six refinement levels for the mesh used in ... -
Avaliação das microestruturas de solidificação e propriedades de aplicação de ligas monotéticas Al-Bi, Al-Bi-Cu e Al-Bi-Zn
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, Câmpus São Carlos, 16/06/2021)Monotectic Al-based ternary alloys can result in a good combination of wear resistance and mechanical strength. While the soft self-lubricating elements contribute to an appropriate wear resistance, modification with third ... -
Projeto e construção de pré-amplificadores de áudio valvulados
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 31/10/2019)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 ... -
Simulações por CFD da fluidodinâmica em cabine aerosol box para diferentes condições operacionais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/06/2021)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, UFSCar, , Câmpus São Carlos, 28/06/2021)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 ... -
Redução de ruído Poisson com o algoritmo BM3D utilizando distâncias estocásticas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 02/06/2021)Noise is a problem constantly present in digital images incoming from multiple sources, being important to study noise filters to improve the quality of images. When dealing with radiographic images, Poisson noise is an ... -
Análise de chatter no torneamento de aço endurecido utilizando o método de elaboração de diagramas de lóbulos de estabilidade
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 01/04/2021)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 ... -
Análise de falha em materiais metálicos: uma abordagem complexa utilizando PLS-SEM
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/12/2020)Metallic materials may fail due to several reasons and at different ways. In general, it is common to be verified overload (ductile or fragile) or fatigue. These failures always let evidences that can explain their natures ... -
Operadores de Calderón-Zygmund e o Teorema T(1)
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Matemática - PPGM, Câmpus São Carlos, 26/05/2021)The purpose of this work is to present, in a detailed way, one of the main topics of Harmonic Analysis: the singular integral operators or, in its general form, the Calderón-Zygmund operators. We did here, for the most ...