MENEZES, Marco Antonio de campos; http://lattes.cnpq.br/0288833030578593(Universidade Federal de ItajubáBrasilIRN - Instituto de Recursos NaturaisPrograma de Pós-Graduação: Mestrado Profissional - Engenharia HídricaUNIFEI, 2022-02-17)
Corrosion is a global problem, which implies costs in industrialized countries of up to
4.5% of GDP, with either economic, but also social and environmental impacts. In the
case of Brazil, the waste of water supply ...
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 ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma 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 ...
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 ...
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 ...
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 ...
RAMOS, Liomar Carvalho; http://lattes.cnpq.br/6395113089070363(Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma 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.
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 ...
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 ...
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 ...
MATOS, Fabienne Mara Ferreira; http://lattes.cnpq.br/3420514655032398(Universidade Federal de ItajubáBrasilIEPG - Instituto de Engenharia de Produção e GestãoPrograma de Pós-Graduação: Mestrado Profissional - AdministraçãoUNIFEI, 2024-02-22)
Amidst the global economic crisis, financial management becomes paramount. In Brazil, despite the downward trend in inflation, gaps in financial literacy persist, impacting the well-being of over 71 million Brazilians who ...
RANGEL, Bruno de Souza; http://lattes.cnpq.br/2680443151477507(Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - MatemáticaUNIFEI, 2024-02-19)
In this dissertation, rstly, we show that a polynomial di erential system of even
order does not have a global center. Next, we characterize all Liénard polynomial systems having a global center at the origin. In particular, ...
FRANCO, Murilo Leandro; http://lattes.cnpq.br/1083017557123649(Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2023-12-15)
This work presents a case study on the application of a voltage source converter in
an industrial microgrid, using multilevel topology in a Back-to-Back arrangement. The
main purpose is to understand whether the application ...
CARVALHO, Raffael Cleisson de; http://lattes.cnpq.br/8993852934865449(Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2023-12-18)
Public consultation is a direct democracy device that aims to allow the population to
participate in decision-making in various areas of public policy. In Brazil, the Fiscal
Responsibility Law establishes that a public ...
GUERRINI, André Belluco; http://lattes.cnpq.br/7416025567367379(Universidade Federal de ItajubáBrasilIEM - Instituto de Engenharia MecânicaPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2023-11-20)
Aeroderivative gas turbines are widely used on Floating Production Storage and Offloading (FPSO) oil and gas production platforms. These units serve as production, storage, and oil transfer facilities. These turbines are ...
VENTURA, Charly Braga; http://lattes.cnpq.br/9840433346213682(Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Ciência e Tecnologia da ComputaçãoUNIFEI, 2023-12-15)
The world’s demand for coffee increases every year, reaching 178.5 million 60 kg bags in
the period 2022-2023, an increase of 1.7% compared to the previous period 2021-2022.
The total production of Brazil’s coffee harvest ...
FERNANDES FILHO, Ricardo Alexandre; http://lattes.cnpq.br/5218561645780587(Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2024-02-26)
In this thesis, a qualitative analysis is proposed on how theories related to gravity have
changed over time until reaching the well-known modified theories of gravitation, demonstrating
the power they hold. The aim is ...