Dissertações: Recent submissions

  • SALVADOR, Victor Manuel Neyra; http://lattes.cnpq.br/3830097015558224 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2024-02-29)
    The locality principle is respected by the special and general theory of relativity. Consequently, the speed of light is the maximum speed at which information can travel. However, by the Hubble-Lemaitre law, we know ...
  • COSTA, Pedro Augusto Siqueira; http://lattes.cnpq.br/5275962872043233 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado Profissional - Engenharia HídricaUNIFEI, 2023-12-13)
    In the national scenario, where the hydraulic source is predominant, the Physical Guarantee (PG) of a Hydroelectric Plant becomes a fundamental component to develop efficient and sustainable energy planning. PG concerns ...
  • FERREIRA, Deborah Lemes do Vale; http://lattes.cnpq.br/1225785505621540 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Desenvolvimento, Tecnologias e SociedadeUNIFEI, 2023-12-11)
    This research is about Legislative Schools, with the aim of understanding the role of Legislative Schools in encouraging citizenship and democratic participation among their target audience in a development context that ...
  • SANTOS, Maria Eduarda Antunes dos; http://lattes.cnpq.br/6244647057170283 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2024-02-29)
    This work analyzed the behavior of an inflationary model driven by a scalar field with a polynomial potential. For that, it was analyzed a monomial potential type and then an investigation of effects due to an introduction ...
  • PAULA, João Paulo Almeida de; http://lattes.cnpq.br/7247553962111836 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2024-02-28)
    In this work, we will calculate the Feynman propagator of a scalar field with mass M at finite temperature T in the Einstein universe, which is a static space-time. The field will be arbitrarily coupled to the curvature ...
  • FERREIRA, Jade Carvalho; http://lattes.cnpq.br/1396995790615620 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Educação em CiênciasUNIFEI, 2024-02-28)
    This study investigated the perceptions of higher education chemistry teachers about the use of ICT in chemistry teaching and qualitatively analyzed their perceptions on the didactic use of a remotely controlled experiment. ...
  • LIMA, Yago Toledo; http://lattes.cnpq.br/6238555777811807 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2023-03-07)
    Computational simulation is a widely used tool for monitoring and optimizing performance indicators in both academia and industry. However, human operators are commonly represented as resources with constant nominal ...
  • LEMOS, Leonardo Censi; http://lattes.cnpq.br/3399681290556693 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Multicêntrico em Química de Minas GeraisUNIFEI, 2024-02-29)
    Chagas Disease (CD), a n illness discovered by Carlos Chagas 11 5 years ago, remains a great public health problem . It has been reported 30 thousand new cases annually and causing 14 thousand deaths during the same ...
  • UEMORI, Mauro Ken Iti; http://lattes.cnpq.br/1409376400663188 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2023-06-05)
    A detailed description of a salient pole synchronous vertical hydrogenerator will be presented, discussing the design, the manufacturing processes and the materials of all the main components. A description of all the ...
  • ALMEIDA, Daniel Carneiro de; http://lattes.cnpq.br/9857185236578523 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2023-02-17)
    Distributed Generation (DG), especially photovoltaic solar energy, has been growing a lot in recent years because it has a leveled cost of implementation lower than fossil sources. Aneel Normative Resolution No. 482/2012, ...
  • ALFAICA, Ajumar Omar; http://lattes.cnpq.br/7034476019200940 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2023-05-24)
    Small Hydroelectric Plants (SHPs) make up 3.3% of the Brazilian electricity grid, and are becoming more popular given their lower environmental impacts compared to larger hydroelectric plants. The energy generated by SHPs ...
  • VELOZO, Douglas Barros; http://lattes.cnpq.br/0525136391584301 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado Profissional - Engenharia HídricaUNIFEI, 2023-12-19)
    In the current scenario where the Brazilian electrical matrix is still heavily dependent on hydroelectric generation, accounting for approximately 61.9% of energy generated in 2022, actions aimed at increasing the availability ...
  • PAULA, Gabrieli Silva Ney de; http://lattes.cnpq.br/1380399700569253 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2024-02-26)
    Nodes are equilibria of a planar differential equation or vector field whose eigenvalues have the same sign. Star nodes are nodes whose eigenvalues are equal and nonzero. Limit cycles are closed and isolated orbits in ...
  • ABREU, Laís Gomes Barreto; http://lattes.cnpq.br/7548820773666227 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2023-12-21)
    This study focuses on the Brazilian energy scenario and highlights the progressive increase in the use of renewable sources in the country's electrical energy matrix. The main objective of this study is to contribute to ...
  • CALIARI, Juliana Cássia de Souza; http://lattes.cnpq.br/1742078085720645 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2024-02-06)
    The National Accreditation Organization developed an evaluation manual for health services, whose main criteria focused on Administrative Management, People Management and Care. Initially, in 1998, this program focused on ...
  • SÁNCHEZ, Jefferson Fernando Zambrano; http://lattes.cnpq.br/4461853459290967 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2023-12-01)
    In this paper we will give a detailed proof of the Variational Principle which states that the topological entropy of a continuous application defined in a compact metric space is equal to the supremum of the entropies ...
  • CRUZ, Thales Willian; http://lattes.cnpq.br/3267862705740438 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2024-03-08)
    This work aims at studying analogous models for the propagation of light in nonlinear theories of electromagnetism. To do this, we first calculate the equations of motion and the momentum-energy tensor of an arbitrary ...
  • CANALES, Katia Yesica Tineo; http://lattes.cnpq.br/6535374165370098 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2023-12-14)
    In the pursuit of sustainable energy solutions, the transition to a low-carbon economy has become a central objective for countries worldwide. This work presents a comprehensive technical, economic, and environmental ...
  • RAMOS, Liomar Carvalho; http://lattes.cnpq.br/6395113089070363 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2024-02-29)
    In this work, we present a study of the abstract theory of multivalued monotone dynamical systems on a complete metric space and the application of this theory to a differential equation without uniqueness of solution.
  • SILVA, Soraia Cristina da; http://lattes.cnpq.br/6075489464474040 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2023-12-11)
    With the regulation of access to information in Brazil, through the Access to Information Law (LAI), procedures were established for transparency in public administration, as a way of ensuring the fundamental rights of ...