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Zhao, Hairong; Souza, Jeferson Avila; Ordonez, Juan Carlos
(2008)
This paper presents a 3D model for the determination of the temperature field in an electromagnetic launcher. The large amounts of energy that are dissipated into the structure of an electromagnetic launcher during short ...
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Souza, Jeferson Avila; Ordonez, Juan Carlos; Hovsapian, Rob; Vargas, Jose Viriato Coelho
(IEEE, 2011)
The recent increase in distributed power generation is highlighting the demand to investigate and implement better and more efficient power distribution grids. High-temperature superconducting (HTS) DC transmission cables ...
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Vergara, Leandro Cavalheiro; Santos, Elizaldo Domingues dos; Rocha, Luiz Alberto Oliveira
(2009)
The present work studies the optimization of a circular body with an intense heat flux by Constructal Design. The problem concerns the minimization of the global thermal resistance of a three-dimensional structure submitted ...
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Corrêa, Gilberto Arejano; Souza, Jeferson Avila; Prentice-Hernández, Carlos; Rocha, Luiz Alberto Oliveira
(2008)
This work is based on the principles of administration, with technical and economic data from a frigorific fishing industry, at analyzing the convenience of integrating to the existing refrigeration system (by vapor ...
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Souza, Jeferson Avila; Vargas, Jose Viriato Coelho; Ordonez, Juan Carlos; Martignoni, Waldir Pedro; Meien, Oscar Felippe von
(2011)
In this paper, a thermodynamic optimization procedure for FCC riser units has been developed. The formulation uses a 2D fluid flow and kinetic model to provide the necessary information for the optimization process. The ...
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Scalabrin, Leonardo Costa; Azevedo, João Luiz Filgueiras de; Teixeira, Paulo Roberto de Freitas; Awruch, Armando Miguel
(2004)
Aerodynamic flow simulations over the first Brazilian satellite launch vehicle, VLS, during its first-stage flight are presented. The three dimensional compressible flow is modeled by the Euler equations and a Taylor-Galerkin ...
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Teixeira, Paulo Roberto de Freitas; Awruch, Armando Miguel
(1999)
An algorithm to simulate 3-D high compressible flows using the finite element method and a multi-time-step integration technique with subcycles is presented in this work. An explicit two-step Taylor-Galerkin scheme is ...
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Zhao, Han; Souza, Jeferson Avila; Ordonez, Juan Carlos
(2014)
An electromagnetic railgun is one of the applications of electromagnetic launchers, which are devices used to accelerate projectiles to velocities exceeding those attained with conventional propelling systems. A magnetic ...
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Isoldi, Liércio André; Oliveira, Cristiano Peres; Rocha, Luiz Alberto Oliveira; Souza, Jeferson Avila; Amico, Sandro Campos
(2012)
Resin Transfer Molding (RTM) is a manufacturing process in which a liquid resin is injected into a closed mold pre-loaded with a porous fibrous preform, producing complex
composite parts with good surface finishing. Resin ...
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Teixeira, Paulo Roberto de Freitas; Awruch, Armando Miguel
(2001)
An algorithm to simulate three-dimensional high compressible flows using the finite element method and a multi-time-step integration technique with subcycles is presented in this work. An explicit two-step Taylor–Galerkin ...
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Migliorini, Alessandra Vieira; Guimarães, André Tavares da Cunha
(2008)
Devido à insatisfação com as características hidráulicas e estruturais relacionadas
aos blocos de concreto cúbicos eparalelepipédicos utilizados na estrutura de quebra-mares, foi lançado no mercado uma variedade de ...
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Ribeiro, Robert Luis Lara; Mariano, André Bellin; Souza, Jeferson Avila; Vargas, Jose Viriato Coelho
(2008)
In this paper, a mathematical model is developed to make possible the simulation of microalgae growth and its dependency on medium temperature and light intensity. The model is utilized to simulate a compact photobioreactor ...
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Vieira, Heitor; Bastos, Jorge Tiago; Camargo, Karina Retzlaff; Valente, Amir Mattar
(2007)
Este artigo apresenta um estudo de caso onde se utiliza uma abordagem orientada pelos
conceitos de traffic calming, ainda pouco difundidos no Brasil, porém de eficácia comprovada na humanização do trânsito em países do ...
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Brum, Ruth da Silva; Isoldi, Liércio André; Santos, Elizaldo Domingues dos; Vaz, Joaquim; Rocha, Luiz Alberto Oliveira
(2013)
Nowadays, there is a focus on finding sustainable energy sources, as well as, alternatives to rationalize the use of electrical energy. In this sense, the employment of Earth-Air Heat Exchangers (EAHE) is one technique ...
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Souza, Jeferson Avila; Nava, Marcelo José Anghinoni; Rocha, Luiz Alberto Oliveira; Amico, Sandro Campos
(2008)
Resin Transfer Molding (RTM) is a polymer composite processing technique widely used in the aeronautics and automotive sectors. This paper describes the numerical simulation of the RTM process where Darcy’s law was used ...
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Gomes, Mateus das Neves; Nascimento, Cristina Dias do; Bonafini, Beatriz Leandro; Santos, Elizaldo Domingues dos; Isoldi, Liércio André; Rocha, Luiz Alberto Oliveira
(2012)
The present paper presents a two-dimensional numerical study about the geometric optimization of an ocean Wave Energy Converter (WEC) into electrical energy that has as operational principal the Oscillating Water Column ...
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Gomes, Mateus das Neves; Santos, Elizaldo Domingues dos; Isoldi, Liércio André; Rocha, Luiz Alberto de Oliveira
(2013)
The present paper presents a two-dimensional numerical study about the geometric optimization of an ocean Wave Energy Converter (WEC) into electrical energy. The operational principle is based on the Oscillating Water ...
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Brum, Ary Saad; Souza, Jeferson Avila; Vargas, Jose Viriato Coelho
(2006)
The FCC (Fluidized Catalytic Cracking) is one of the most important processes in a petroleum refinery plant. The numerical modeling of this process has been performed by several authors who have proposed different mathematical ...
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Romeu, Marco Antônio Rigola; Fontoura, Jose Antonio Scotti; Melo Filho, Eloi
(2015)
In this study, 30 years of sea state data, reconstructed by the wave generation model WWIII for the oceanic area, were used to investigate wave regimes in southern Brazil. By applying a splitting routine to the spectra ...
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Espíndola, Danúbia Bueno
(2007)
Este trabalho propõe uma metodologia para visualização distribuída de plantas de manufatura. A metodologia considera o uso de um conjunto de ferramentas capazes de propiciar a visualização imersiva de cenários virtuais. ...