Centro de Ciências Exatas e de Tecnologia - CCET: Recent submissions

Itens para a visualização no momento 21-40 of 7075

    • Análise computacional de sistema mecânico e fadiga de molas em suspensões de veículos off-road Baja SAE 

      Galvão, Lucas Thomé Brilhante (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/12/2022)
      Off-road vehicles are designed and built by teams of students in academic engineering extension projects to withstand various obstacles and adverse terrains, usually without pavement, which are difficult to navigate with ...

    • Caracterização de filmes finos de ZnO:Ho crescidos por spray-pirólise 

      Neves, Alyne Marques Aragão das (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 25/01/2024)
      The research investigation on the doping effects of zinc oxide thin films (ZnO) with the rare earth ion Holmium (Ho3+) and the determination of an optimal doping condition for the luminescence of the doping element. The ...

    • Sistemas de estabilização em polipropileno submetidos à radiação UV-C 

      Basaglia, Marcos Vinícius (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, Câmpus São Carlos, 28/04/2023)
      UV-C radiation (200 - 280 nm) is a range of the electromagnetic spectrum with increasing and satisfactory studies as a method of disinfection against microorganisms, however, it is little studied in terms of degradation ...

    • Compósitos biodegradáveis a partir de poli(succinato de butileno) e resíduos de cacau para manufatura aditiva 

      Araújo, Robson Pinto (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, Câmpus São Carlos, 26/01/2023)
      Additive manufacturing (AM) has developed a lot in recent years, however, the diversity of materials available for application in its different techniques is still limited and few biodegradable materials are available for ...

    • Restructuring the smart city from the global south: a structural and dialectical analysis between the virtual and physical urban space 

      Figueirôa-Ferreira, Victor Garcia (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Urbana - PPGEU, Câmpus São Carlos, 07/12/2023)
      This research critically analyses technology-driven development strategies, whether they are seen as an smart initiative or associated with sustainable, resilient and other characteristics. Also, analyses the impact of ...

    • Hidrogênio verde: seu papel estratégico na transição energética 

      Garcia, Gessika da Silva (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 07/02/2024)
      The search for more ecological and efficient energy sources has increased, driven by growing global demand. Despite the increase in the capabilities of renewable sources, such as wind and solar energy, it has become crucial ...

    • Uma análise da avaliação em matemática no desenvolvimento de atividades da robótica educacional 

      Santos, Aline Regina dos (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ensino de Ciências Exatas - PPGECE, Câmpus Sorocaba, 09/02/2024)
      With this work we seek to understand how the assessment of mathematics skills and abilities occurs during educational robotics classes. We investigated the possibility of developing an assessment instrument using educational ...

    • Influência da demolição seletiva na redução de impactos ambientais sob a óptica da avaliação do ciclo de vida 

      Oliveira, Mariana Borges (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Civil - PPGECiv, Câmpus São Carlos, 29/02/2024)
      The concern about waste generated by demolition processes has driven the search for more sustainable methods for this practice. In Brazil, since the cancellation of ABNT NBR 5682:1977 in 2008, there has been a lack of ...

    • Modelo de regressão logı́stica com mistura de distribuições : estimadores de máxima verossimilhança e bayesiano utilizando o Stan 

      Ferreira Junior, Luis Roberto (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 02/02/2024)
      We explore the logist regression model, estimating its parameters through maximum likelihood and Bayesian estimators. We use mixtures of distributions for 𝐾 = 1 and 2 components. The Hamiltonian Monte Carlo implemented ...

    • Avaliação da influência da carbodiimida na reciclagem de tecidos a base de PA6 

      Baccarin, Graziela Solferini (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 30/11/2023)
      The remaining fabric from the textile industry, especially that related to clothing, is a growing environmental and economic problem. On a global scale, in 2015, 92 million tons of fabric were discarded and it is expected ...

    • Crescimento e caracterizacão de filmes finos supercondutores de chumbo 

      Gomes, Caio Cesar Quaglio (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 05/09/2023)
      Lead thin films are attractive for fundamental research in superconductivity and practical applications due to their relatively high critical temperature and behavior as a type II superconductor. Consequently, achieving ...

    • Operadores de Calderón-Zygmund, pseudo-diferenciais e espaços de Hardy 

      Vasconcelos Filho, Claudio Henrique Machado (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Matemática - PPGM, Câmpus São Carlos, 09/03/2018)
      The purpose of this work is to study the Hardy spaces Hp(Rn) on euclidean spaces and your localized version, known as hp(Rn). As an application of this theory, we are going to show that Calderón-Zygmund and pseudo-differential ...

    • Estudo comparativo dos métodos de produção de hidrogênio e carbono sólido usando a reação de decomposição do metano 

      Guillen, Ruan Sant’Ana (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/01/2024)
      Currently, one of the main routes for obtaining hydrogen is the steam reforming of methane, it is known that the global demand for hydrogen has intensified in recent years, being a potential candidate for the clean and ...

    • Uma abordagem estatística para a análise dos resultados das eleições presidenciais 

      Lachos Olivares, Victor Eduardo (Universidade Federal de São Carlos, UFSCar, Programa Interinstitucional de Pós-Graduação em Estatística - PIPGEs, Câmpus São Carlos, 15/01/2024)
      Multiparty data has characteristics that make it compositional data such as a constant sum of components and a limited space known as simplex. Thus, the purpose of the work is to develop a methodology to analyze multi-party ...

    • Modelo de classificação para dados desbalanceados: método SMOTE e variantes 

      Nora, Andrielle Couto (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/01/2024)
      Often, in classification models, we encounter databases that have highly imbalanced classes, such as: rare disease diagnostic data, manufacturing defects, fraudulent transactions, etc. Training a model on a dataset with ...

    • Dimensionamento de um evaporador de vinhaça do tipo névoa turbulenta 

      Gomes, Leonardo Chaves (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/01/2024)
      The study analyses evaporation as a sustainable strategy for vinasse disposal, a subproduct of sugarcane ethanol production. The research aims to establish the sizing of a turbulent mist evaporator with a water evaporation ...

    • Modelagem de predição de crimes na região metropolitana de São Paulo 

      Zhao, Wellington Yunahe (Universidade Federal de São Carlos, UFSCar, Programa Interinstitucional de Pós-Graduação em Estatística - PIPGEs, Câmpus São Carlos, 13/12/2023)
      The issue of public security is a challenge for Brazilian society, and crime is a major concern for the most populous state in the country, São Paulo. It is always desirable for the public administration to model and predict ...

    • Estudo da variação da entropia de Shannon no jogo de xadrez a partir dos conceitos de teoria da informação 

      Barbieri, Pedro Silveira (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/02/2024)
      Information Theory is a branch of science that quantifies information and its communication processes, and has at its core the reformulation of the fundamental concept of entropy. Shannon's entropy reflects the measure of ...

    • Negrifeminicídio: O feminicídio de mulheres negras no estado de São Paulo 

      Carvalho, Alicia Scordamaia de (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 20/01/0022)
      Violence against women and racism are extremely important issues that must be addressed with great care and seriousness. In this work, they will be presented together: the violent deaths of white and black women and their ...

    • Análise e previsão de séries temporais via Facebook Prophet 

      Borges, Mateus Penteado (Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/01/2024)
      Forecasting is an estimate or projection of what may happen in the future based on information and data available from the past and present. In other words, it is an attempt to make an informed guess about what is likely ...