Dissertações: Recent submissions

  • ZAMPIERI, Marcelo; http://lattes.cnpq.br/8588570566416366 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2005-05-18)
    The main objective of this work is the exergoeconomic evaluation of an electric energy generation and steam production process in the sugar and alcohol segment. The study results are presented of the thermal efficiency ...
  • ASSUNÇÃO, Frederico de Oliveira; http://lattes.cnpq.br/8073512877324742 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2006-03-17)
    Não consta
  • VELOSO, Giscard Francimeire Cintra; http://lattes.cnpq.br/3930421046207353 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2006-03-24)
    The transformers are among the most important equipments in the electric system. Non-scheduled suspensions can bring considerable nuisance and large financial losses. The only way to avoid the problems caused by flaws ...
  • KRAUER, Tito Ronald Ocariz (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2007-12-17)
    This work presents a methodology for prioritization, from a voltage stability point of view, of future reinforcements detected in the system planning, whether transmission, transformation and/or reactive compensation ...
  • SILVA, Eunice Cristina da; http://lattes.cnpq.br/2316425448768695 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2023-06-05)
    The Institutional Scientific Initiation Scholarship Program has the following main objectives: to contribute to the formation of human resources for research, to qualify students for graduate programs and to contribute to ...
  • OLIVEIRA, Daniel Hananias Cabral de; http://lattes.cnpq.br/4844843261118220 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2023-06-12)
    The Public Administration has considered the application of Lean Thinking as a potential approach in order to improve the services provided by it. However, such implementations have encountered some barriers, such as the ...
  • SANTOS, Valquiria Claret dos; http://lattes.cnpq.br/9756870433676753 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2004-06-18)
    Santos, Valquiria Claret dos. Immobilization of TiO2 in concrete. Master Degree in Materials Engineering, Federal University of Itajubá, 2004, 105p, Master’s Degree Dissertation. Titanium dioxide immobilization on ...
  • ALMEIDA, Adriano Batista de; http://lattes.cnpq.br/2483742275772291 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2011-03-10)
    This work discusses the problem of active power loss reduction in power systems by means of reactive power redispatch. The circulation of reactive power in the network causes active power loss in the system. Then, a ...
  • ARAÚJO, Fabiana Faria de; http://lattes.cnpq.br/5372686788375289 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - Materiais para EngenhariaUNIFEI, 2009-04-06)
    Ferrites have become important to industry because of their electric and magnetic properties. The cubics spinel ferrites are oxides with chemical formula MFe2O3, where M is a metallic divalent ion. The cubic ferrites ...
  • VIEIRA, Nirton Cristi Silva (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado Profissional - Engenharia de MateriaisUNIFEI, 2006-09-27)
    Dendrimers are isomolecular polymers with a very well controlled architecture that have many potential applications in medicine, including diagnosis and therapeutic procedures. Bioconjugated dendrimers and enzymes are ...
  • SANTOS, Lucimara Magalhães dos; http://lattes.cnpq.br/9501438588339712 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2008-11-10)
    This work emphasizes the advantage to develop a methodological approach to strategic evaluation of the viability of enterprises of decentralized generation in isolated systems. The main reason for the development of this ...
  • CASTRO, Marcos Tadeu Moraes de; http://lattes.cnpq.br/3838545471880707 (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2005-12-20)
    The aim of this work was to analize a work study application to improve a plates circuit printed manufacturing process. Such an improvement was expressed by means of work measurement techniques and related concepts. The ...
  • PEREIRA, Ana Paula de Araujo; http://lattes.cnpq.br/1235107257351297 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2005-11-21)
    In this paper is studied the relationship between the residential consumption of energy and the quality of life for Brazilian conditions in the period between 1970 and 2005. As indicators of quality of life were used ...
  • GABETTA, José Henrique Souza Santos (Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado - Engenharia de ProduçãoUNIFEI, 2006-04-17)
    In the past decades, the concern with the exhaustion of oil reserves and the significant changes in the climate caused by the increase in the concentrations of greenhouse gases (GEG) in the atmosphere have encouraged ...
  • SANTOS, Laerte dos; http://lattes.cnpq.br/3856230289025018 (Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia de EnergiaUNIFEI, 2006-09-15)
    The Infrared Thermography, when correctly applied, is an excellent predictive maintenance tool for high voltage substations. Its utilization allows the detection of failures in their initial phases avoiding, therefore, ...
  • DIAS, Welinton (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2006-06-30)
    The demand for foreign equipments in teaching institutions is well-know. To properly train an engineer, a lot of hours in several equipments are required. This is a problem if the equipments are expensive. The problem ...
  • BRAGA, Denis de Carvalho; http://lattes.cnpq.br/9872121262505835 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2007-06-22)
    In this work is studied the Bogdanov-Takens bifurcation in an electric power system model consisting of a static compensator and two synchronous generators feeding an electric load compound of a static parcel and a ...
  • SANT'ANNA JUNIOR, Cezar José; http://lattes.cnpq.br/5011444005127569 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2007-03-30)
    The computational environments monitoring is one of the main components in the most complete security information systems. Having as objective to monitor the information availability to the actors whom the access right ...
  • GALVÃO JUNIOR, Francisco João Di Mase (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2007-08-10)
    The main objective of this dissertation is to present the development of an automatic voltage regulator for brushless excitation system. The brushless excitation of synchronous machine is an attractive solution for ...
  • ROSA, Arthur da Silva Santa (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2008-12-18)
    Traditionally, Power Systems capacity has been determined by angular stability or thermal capacity of their elements. But factors like intense load growth, system expansion, and systems interconnections, through long ...