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Mostrando ítems 50861-50870 de 118860
Controle de um conversor de múltiplas entradas (MIC) com MPPT para o sistemas fotovoltaico e eólico ligados a um mesmo barramento CC
(Universidade Federal de Minas GeraisUFMG, 2015-06-12)
This paper presents the study of dynamic modeling and control of a converter of multiple inputs (MIC) with MPPT connected microgrig. There are two independent inputs, wind and photovoltaic sources (PV), connected to a DC ...
Cinética de digestão alcalina da franklinita presente na lama fina de aciaria LD
(Universidade Federal de Minas GeraisUFMG, 2014-06-04)
The present study aimed to evaluate the kinetic aspects of the thermal digestion of franklinite contained in the fine fraction of basic oxygen furnace (BOF) sludge, in the presence of NaOH. This was done in order to remove ...
Estudo por simulação de uma cadeia polimérica
(Universidade Federal de Minas GeraisUFMG, 2017-09-05)
Polymers are present in our daily lifes as plastics, prosthetics and as well as in a swelling number of commodities. In living organisms they execute essential functions, and proteins represent the most abundant organic ...
Transições de fases quânticas em sistemas bidimensionais com anisotropia de plano fácil
(Universidade Federal de Minas GeraisBrasilICX - DEPARTAMENTO DE FÍSICAPrograma de Pós-Graduação em FísicaUFMG, 2021-06-30)
The study of quantum spin systems has a great interest in Condensed Matter Physics both from a theoretical and experimental point of view, and the study of low-dimensional magnetic models plays an important role in our ...
Desenvolvimento de comprimidos de azidiol para uso na conservação do leite
(Universidade Federal de Minas GeraisUFMG, 2012-02-15)
Among the criteria for milk quality, the bacterial count is assessing the general conditions of hygiene and management adopted in production of milk. For the milk samples being analyzed by laboratories of the Brazilian ...
Modelamento matemático e simulação do pré-tratamento do gusa por injeção de fluxantes
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA METALÚRGICAPrograma de Pós-Graduação em Engenharia Metalúrgica, Materiais e de MinasUFMG, 1999-12-10)
In this work, a general mathematical model has been developed for desulphurization,
dephosphorization and desiliconization reactions during pretreatment of pig iron in ladles
through injection of flux powders. The model ...
Métodos computacionais de Monte Carlo para determinar do zeros de Fisher no modelo de Heisenberg anisotrópico 2D
(Universidade Federal de Minas GeraisBrasilICX - DEPARTAMENTO DE FÍSICAPrograma de Pós-Graduação em FísicaUFMG, 2021-10-21)
In this work we studied the phase transitions that chatacterize the Anisotropic heisenberg spin model varying the anisotropy parameter δ. In this work we used Monte Carlo Methods to run simulations of the model and used a ...
Análise numérica de estruturas de aço, concreto e mistas em situação de incêndio
(Universidade Federal de Minas GeraisUFMG, 2008-12-09)
This work presents the development and implementation of nonlinear numerical models for the thermal and mechanical analyses of steel, reinforced concrete and composite structures of steel and concrete subjected to fire. ...
Alívio de tensões após soldagem
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA MECÂNICACurso de Especialização em SoldagemUFMG, 2015-09-11)
The welding is one of the major joining processes of metallic materials. However, it
causes macro and microstructural changes that affect the performance of the welded
parts. Welding processes and techniques have been ...
Avaliação clínica e parasitológica de animais inoculados com vacinas inativadas de Anaplasma marginale e desafiados experimentalmente
(Universidade Federal de Minas GeraisUFMG, 2010-08-23)
In the present work, inactivated vaccines of Anaplasma marginale were valued (vaccine containing 3 x 109 corpuscles of Anaplasma marginale + oil adjuvante, vaccine containing 3 x 109 corpuscles of Anaplasma marginale + ...