Dissertações: Recent submissions

  • JAIMES, Mariana Neves; http://lattes.cnpq.br/5535888194604329 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Desenvolvimento, Tecnologias e SociedadeUNIFEI, 2022-08-03)
    The Collective de mulheres Raízes da Terra is a self-organization of the Landless Rural Workers Movement (MST) belonging to the area of settlements and popular camps called Quilombo Campo Grande, located in Campo do Meio-MG. ...
  • MATA, Guilherme Ferreira da; http://lattes.cnpq.br/7769607012636323 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2022-12-14)
    The Brazilian electricity sector is going through a revolution in face of modernization challenges, needs for investments in smart grids, insertion of new technologies and distributed energy resources. In this context, it ...
  • NUNES, Luiz Gustavo Pieve; http://lattes.cnpq.br/1610574543271749 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2023-02-14)
    This paper presents an analysis of the ferroresonance problem that occurs in potential transformers in wind farm substations from high frequency transients, which has been increasingly recurrent in the context of the ...
  • ANTUNES, Mariana de Melo; http://lattes.cnpq.br/6005757304552038 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2023-02-23)
    This work describes an experimental and straightforward technique towards the simultaneous estimation of temperature-dependent thermal conductivity, k, and specific heat, cp, in samples of different metallic materials, ...
  • OLIVEIRA, Thiago Gonçalves de; http://lattes.cnpq.br/2173664097670141 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2023-03-01)
    In order to attend the growth of the biomaterials market, scientific research and technological advances involving these materials are in evidence, with the objective of complementing the use of existing alloys and ...
  • MARCONDES, Luiz Guilherme Prince; http://lattes.cnpq.br/1702897405243372 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2023-02-13)
    In this work, the cloud enhancement effect produced by clouds as an intensification event of solar irradiance reaching the surface was studied using pyranometer data and satellite imagery in a coastal region of Maranhão ...
  • PINHEIRO, Luísa Pereira; http://lattes.cnpq.br/4121555923199534 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2022-12-21)
    With the global increase in energy demand and global concern with climate change on the planet, incentives for research and development of biofuel production processes, such as ethanol, have grown in recent decades, aiming ...
  • SILVA, Gabriel Baioni e; http://lattes.cnpq.br/1708076185104347 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2022-12-15)
    Organic acids are of great importance to the general industry, with a focus on the polymer industry. Among the most promising organic acids are succinic and cis,cis-muconic acids, which are considered building blocks because ...
  • OLIVEIRA, Rodrigo de Paula; http://lattes.cnpq.br/5064246555325769 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2023-02-27)
    The growth of the internet favored the development of electronic marketplaces, online platforms that act as intermediaries in the negotiation process between two independent parties. When inserted in the context of load ...
  • CEZAR, Pedro Henrique Valentim; http://lattes.cnpq.br/1065245224253267 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Desenvolvimento, Tecnologias e SociedadeUNIFEI, 2023-02-27)
    The projects of public managers for works to improve the infrastructure of urban space have been characterized by the use of civil construction techniques, such as, for example, asphaltic paving of streets, including ...
  • MARQUES, Sara Maria; http://lattes.cnpq.br/8596447175041908 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2023-02-15)
    The disorderly use of water resources leads them to depletion, resulting in the emergence of environmental and social issues. Thus, a relevant aspect to be observed in water supply systems are the losses that occur throughout ...
  • ROSA, João Paulo Martins Mansano; http://lattes.cnpq.br/4681092687898367 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Ciência e Engenharia de MateriaisUNIFEI, 2023-02-08)
    Nowadays, the use of thermoelectric materials could be a promising solution to a global energy crisis, due to its ability to convert thermal energy into electrical energy, based on the Seebeck effect. Due to its intrinsic ...
  • VILLANUEVA, JacKelyne Lisset Medina (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2022-12-16)
    The aim of this study was to investigate the influence of the etch-stop time on the structural and optical properties of multilayer structures and their passivation to avoid aging effects. Structural analysis by scanning ...
  • GIFFONI, Rony Leite; http://lattes.cnpq.br/5308105940248797 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2002-11-08)
    Over the years, the reduction of the power supply voltage has become a main trend in the design of VLSI integrated circuits. This has been driven individually or collaboratively by technology, power management and market ...
  • CARDOSO, Carlos Henrique Rodrigues; http://lattes.cnpq.br/7241921795738753 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2002-11-14)
    This paper shows a process, or model, of software development based on UML, focusing the practical use of UML diagrams. This process generates diagrams step by step so it can change the development activities interconnected. ...
  • BASTOS, Paulo Roberto Ferreira de Moura; http://lattes.cnpq.br/0490391460121565 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2002-12-11)
    The "Portfolio Theory" has been largely employed on stock markets, aiming to improve the relation between risk and return. This theory identifies many possible investment combinations once it's associated with the idea ...
  • LIMA, Roberth dos Santos; http://lattes.cnpq.br/3510801288386267 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2002-12-11)
    This work presents a standardizing proposal for Electrical Projects of small hydroelectric central and it has as objective to optimize some solutions for the most cases, considering the great diversity of options. The ...
  • GALLI, Marcos; http://lattes.cnpq.br/3358393116718446 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2002-11-18)
    This work describes a didactic test rig both for simulation of a control system and for studies thermal exchange in a shell and tube type heat exchanger enabling simulation of several configuration of flow currents. ...
  • CARVALHO, Fabiano Valias; Lattes: http://lattes.cnpq.br/7210105269537510 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2002-12-03)
    The purpose of this work is the implementation of a method for estimation of the dynamic torque to induction motor, using the three phases voltages and currents samples, with a DSP (Digital Signal Processor) based circuit ...
  • SANTOS, Erivelton Antonio dos; http://lattes.cnpq.br/0772866667979482 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Doutorado - Engenharia de ProduçãoUNIFEI, 2023-02-02)
    Supply chains are susceptible to uncertainties, such as large-scale natural disasters, manufacturing fires, terrorist attacks, widespread electrical shutdowns, financial and political tension, and wars. Therefore, rising ...