Dissertações: Recent submissions

  • OLIM, João Silvio Semolini; http://lattes.cnpq.br/2533442778250855 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2020-08-24)
    This study explores different scenarios for the Brazilian Pre-Salt oil production and its associated impact in the Brazilian petroleum market. For the retrospective analysis, two alternative scenarios show how important ...
  • SOUZA, Edson da Silva; http://lattes.cnpq.br/6770097931033324 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2021-02-22)
    In this work we propose the development of new models of two and three fields coupled scalar real supporting BPS solutions (Bogomolnyi-Prasad-Sommerfield). For this purpose, we will use the recently proposed method, known ...
  • ARAÚJO, Saulo Alves de; http://lattes.cnpq.br/8717132736971220 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2021-03-01)
    The problem of secant defectivity consists in studying the dimension of the h-secant variety of an algebraic variety. We say that an algebraic variety is h-defective when its h-secant variety does not have the expected ...
  • BUCCI, Maria Elisa Diniz; http://lattes.cnpq.br/0924337999079122 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2021-02-23)
    The present work aimed to investigate the influence of urban vegetation as a modulator of responses to exposure to urban noise, through the development of three manuscripts. Manuscript 1 sought to investigate the efficiency ...
  • FLORENCIO, Gabriel Wilson Lorena; http://lattes.cnpq.br/1824671052565008 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Meio Ambiente e Recursos HídricosUNIFEI, 2021-02-19)
    The climate projections indicate an increase in air temperature and changes in rainfall patterns throughout the Brazilian territory, which may impact the cultivation of forest species. Thus, it becomes important to conduct ...
  • TRINDADE, Aline Bhering; http://lattes.cnpq.br/5541924225733765 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2020-10-08)
    Life Cycle Assessment (LCA) is a methodology that allows the quantification of potential environmental and social impacts of products, processes or activities by providing the indicators that allow the assessment of ...
  • ASSAHI, Flavio Yuji; http://lattes.cnpq.br/1500882627339662 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado Profissional - Engenharia de MateriaisUNIFEI, 2020-12-11)
    Duplex stainless steels (AID), which have a biphasic microstructure with approximately equal proportions of ferrite and austenite, are widely used in high performance components for the gas, nuclear, chemical, and paper ...
  • HENAO, Nelson Caldéron; http://lattes.cnpq.br/4899263554626131 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2020-03-03)
    This thesis includes the feasibility study, technical and economical, of a new power generation system that combines two technologies: Gas Microturbines GMT and Biomass Gasifiers. The response of a microturbine to gas with ...
  • MENSAH, Johnson Herlich Roslee; http://lattes.cnpq.br/6530553789510829 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2020-04-17)
    Recently, Hydroelectric Plants (HPPs) have been losing competitiveness in relation to renewable sources, specifically the wind and solar photovoltaic source, due to the water crisis registered in the country, which left ...
  • TAVEIRA, Paulo Ricardo Zambelli; http://lattes.cnpq.br/2253069133672250 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2020-04-14)
    The control of expenses related to electricity has been showing a great growth, especially in residential environments. Monitoring of electrical loads that are turning on and off from a home are often performed using ...
  • VICENTE, Anderson Tadeu de Oliveira; http://lattes.cnpq.br/5657051475015300 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2020-08-28)
    Relational Databases are the most used models in several applications in reason of the ease of use in its language of consultation and use in environments multi-users. With the great volume of information that we have ...
  • ANDRADE JÚNIOR, José Wagner de; http://lattes.cnpq.br/84814011126713 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2020-06-09)
    The retroactivity in programming is the study of a modification in a timeline for a data structure and the effects that this modification exerts throughout its existence. In general, the analysis and implementation tend ...
  • 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: Mestrado - Engenharia ElétricaUNIFEI, 2020-07-03)
    The integration of distributed generation (DG) into the distribution network has been increasing intensely, especially the photovoltaic generation, due to the reduction of technology costs, economic incentive policies and ...
  • SANTOS JÚNIOR, Vicente Tibúrcio; http://lattes.cnpq.br/6537826476893011 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-06-16)
    Due to the inclusion of new loads and the predominant increase in electricity demand associated with the limitations of new environmental projects to minimize carbon emissions, such as pollution resulting from the energy ...
  • SALLES, Rafael de Souza; http://lattes.cnpq.br/6855722781714382 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-04)
    Power quality (PQ) is not a new theme, but it should not be neglected in any way, as its performance parameters will reveal problems in the adequacy between the consumer equipment and the electrical grid. With the ongoing ...
  • RAMOS, Marcos Leonardo; http://lattes.cnpq.br/4479919673209310 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-10-29)
    The purpose of this work is the development and the implementation at laboratory the one full-controlled test bench to operate as a controlled modified bridge and as a conventional bridge and check the power factor improvement ...
  • COSTA, Janaína Mirses de Sousa Cruz; http://lattes.cnpq.br/0982535802409539 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-04)
    The computational models developed to represent the electrical equipment and transmission lines that are part of a given power system depend on the prior knowledge of the parameters necessary to reproduce the electrical ...
  • VACILOTO FILHO, Evandro Marcos; http://lattes.cnpq.br/5418932957108365 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-07)
    There are many types of protection for capacitor banks, like simple star, double star and H bridge. Burning of capacitive elements results in actuation of protection, due to variations in unbalance voltage and unbalance ...
  • BATISTA, Ana Luísa do Amaral; http://lattes.cnpq.br/7498728051733912 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-17)
    This work presents the results of an investigation of the impact of power quality disturbances in LED lighting technology. When existing such disturbances in the electrical system, they can cause damage to the most sensitive ...
  • ALMEIDA, Maria Márcia de Faria; http://lattes.cnpq.br/3194505348271666 (Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado - Desenvolvimento, Tecnologias e SociedadeUNIFEI, 2020-12-17)
    The research aims to describe the relationship between tax and financial incentives in the local productive arrangement (APL) of Santa Rita do Sapucaí - Vale da Eletrônica and its return to society as a development of the ...