Teses: Recent submissions

  • ARAÚJO, Lívia Cecília dos Passos; http://lattes.cnpq.br/9340661918321687 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Doutorado - Ciência e Engenharia de MateriaisUNIFEI, 2024-03-01)
    Silicone rubber (SIR) is used in the manufacture of insulators for transmitting electrical energy. The addition of some additives can efficiently improve the resistance to thermal degradation of SIR. In this work, an ...
  • SANTOS, Diogo Josué de Souza; http://lattes.cnpq.br/9738826911750266 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2024-02-22)
    This research explores the potential for synthesizing synthetic fuels and producing ammonia in Brazil using sugarcane bagasse and solid urban waste, both biomasses considered important in the Brazilian energy scenario by ...
  • GAMA, Bruno Renó; http://lattes.cnpq.br/3331231128198258 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2023-12-15)
    The importance of electric motors in industry is undeniable. Many of these machines play a critical role in the processes in which they are integrated. Thus, an unplanned outage of one of these devices can disrupt the ...
  • COSTA, Vinicius Braga Ferreira da; http://lattes.cnpq.br/8771448890837394 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2024-02-21)
    continuously increasing in several countries due to ongoing technical and economic breakthroughs and the implementation of incentive policies. In Brazil, the deployment of on-grid DG under a compensation scheme began in ...
  • RAMOS, Nícolas Pinheiro; http://lattes.cnpq.br/0488201320177470 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2024-02-21)
    Several relevant real-world applications rely on an inverse problem, which involves recovering unknown causes from observing their effects. This differs from the corresponding direct problem, whose solution involves ...
  • SOUZA, Túlio Augusto Zucareli de; http://lattes.cnpq.br/2748561250563891 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2024-02-26)
    With the growing energy demand, the rise of stricter environmental regulations, and the large-scale application of electric vehicles far from being a reality, new energy vectors for internal combustion engines have been ...
  • MATOS, Flávio Amaury de Freitas; http://lattes.cnpq.br/2949963164775846 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2023-12-01)
    Cemented carbides are formed by the association of very fine powdered particles of hard carbides with tough metals. They are generally composed by tungsten carbide, which provides high hardness and wear resistance, and ...
  • BARBIERI, João Paulo; http://lattes.cnpq.br/2229323014759922 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2023-09-19)
    Under the influence of technological development, real systems are experiencing a significant increase in size and complexity. Faced with a context of technological advances, simulation maintains its scientific relevance, ...
  • OLIVEIRA, Lucas Antonio de; http://lattes.cnpq.br/7533889985607594 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2024-02-19)
    This work aims to contribute to the development, understanding, and advancement of damage detection in composite materials using the technique of vibrothermography. This technique, classified as an active infrared ...
  • OLIVEIRA, Milena Silva de; http://lattes.cnpq.br/0195435243013383 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2023-10-31)
    Discrete Event Simulation (DES) stands as one of the primary and most significant simulation techniques to assist decision-making in various areas of Industrial Engineering. Industrial enterprises of various sizes can ...
  • COSTA, Bruna Stéfany; http://lattes.cnpq.br/0636011177483953 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2023-10-20)
    The most important objectives of industrial and non-industrial companies are related to cost, time and quality. On the one hand, the control charts represents an important quality tool, showing if the process is in control ...
  • VIEIRA, Jéssica Tito; http://lattes.cnpq.br/2780688968433974 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2023-12-13)
    Turning is one of the most widely used manufacturing processes in the industry. Its extensive application means that turning processes are increasingly focused on producing of high-quality parts, aiming to associate ...
  • PRADO JÚNIOR, Lênio Oliveira; http://lattes.cnpq.br/7329640212620491 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2023-12-14)
    Hydropower plants installed in the Amazon basin are negatively influenced by transporting logs and sediments from the river bed. All transported material accumulates in the protection grids, which are installed in the ...
  • SOARES, Lucas Lincoln Fonseca; http://lattes.cnpq.br/8727872370333134 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2022-06-30)
    Since CFD simulations for external flow problems may cause high computational costs, the present work presents a viscous/inviscid interaction method that allows to simulate the viscous flow in a reduced computational domain, ...
  • OLIVEIRA, Filipe Augusto Gaio de; http://lattes.cnpq.br/5181538882918032 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Doutorado - Engenharia MecânicaUNIFEI, 2023-06-22)
    The use of secondary (recycled) aluminum alloys has been increasing every year due to sustainable and energy issues involved in their production. One of the biggest problems in the use of these alloys is linked to the ...
  • FERREIRA, Denilson; http://lattes.cnpq.br/4090134508862899 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2023-11-24)
    This work considers the importance of energy in various aspects of people's lives, including comfort, job creation, wealth production, technological and scientific development, and innovation. It is associated with the ...
  • MARTINS, Wander Mendes; http://lattes.cnpq.br/1078540725716070 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2023-12-11)
    Currently, Unmanned Aerial Vehicles (UAVs) have been used in the most diverse applications in both the civil and military sectors. In the civil sector, aerial inspection services have been gaining a lot of attention, ...
  • PEREIRA, Lígia Cintra; http://lattes.cnpq.br/8663836148441776 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2023-11-21)
    The electricity market, with the insertion of distributed energy resources into the system, moves towards becoming an intelligent market in the future. In this energy transition context, tech-nical, economic, and regulatory ...
  • NOGUEIRA, Vinicius Veloso Eleutério; http://lattes.cnpq.br/3702400637238012 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2023-11-01)
    The piston ring is a critical component in internal combustion engines whichs plays a vital role by sealing the gap between pistons and cylinder walls. This sealing is indispensable to prevent gas leakage from the ...
  • ABREU, Fernanda Mitchelly Vilas Boas; http://lattes.cnpq.br/8452110235575091 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2023-11-08)
    The physical structure of Thermoelectric Power Plants is made up of several components, among which the internal combustion engines (MCI) stand out. Fundamentally, in this type of engine, as the name suggests, energy is ...