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Lunardi, Guilherme Lerch; Frio, Ricardo Saraiva
(2012)
As questões envolvendo os problemas ambientais, o esgotamento de
recursos naturais não-renováveis e o crescimento econômico
desvinculado do desenvolvimento sustentável tornaram-se uma grande
preocupação mundial nos ...
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Ordonez, Juan Carlos; Souza, Jeferson Avila; Shah, Darshit Rajiv; Vargas, Jose Viriato Coelho; Hovsapian, Rob
(2013)
The need to transfer large amounts of power in applications where cabling weight and space are a major issue has increased the interest in superconducting cables. Gaseous helium and neon are being considered as possible ...
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Araújo, José Milton de
(2013)
Os grandes blocos de fundação dos edifícios e das pontes podem apresentar fissuras
superficiais já nas primeiras horas após a concretagem. Em virtude do grande volume de concreto, a temperatura no interior do bloco pode ...
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Guimarães, André Tavares da Cunha; Castro, Pedro; Nunes, Jorge Luiz Oleinik
(2007)
Um dos mais importante fator que influenciam a penetraqso de cloretos no concreto 6 a concentraqgo em
ambos tipos de perfis: com a presenqa ou nao de um pico. Neste trabalho discute-se a concentraqgo
superficial de ...
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Barletta, Rodrigo do Carmo; Melo Filho, Eloi; Franco, Davide; Romeu, Marco Antônio Rigola
(2006)
Neste trabalho os resultados de altura de ondas monocromáticas de diferentes opções de
modelos parabólicos de Refração-Difração propagando-se em rampas planas foram testados e
comparados. A necessidade de se especificar ...
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Romeu, Marco Antônio Rigola; Melo Filho, Eloi; Franco, Davide; Barletta, Rodrigo do Carmo
(2006)
Os modelos numéricos de Refração-difração de onda são baseados no método da aproximação
parabólica da equação do declive suave. Na utilização deste tipo de modelo em batimetrias
que apresentam quebra-mares ou ilhas existe ...
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Pimenta, Felipe Mendonça; Mendes, Daniel Antoniazzi Ribeiro; Souto, Andrei Meira Castro; Melo Filho, Eloi; Vincentini Neto, Francisco Luiz; Franco, Davide; Pereira, Nilton Cezar; Castelão, Guilherme Pimenta; Hammes, Guilherme Rafael; Barletta, Rodrigo do Carmo; Romeu, Marco Antônio Rigola
(2013)
Aqui descrevemos as técnicas aplicadas na implantação e manutenção do Programa de Informação Costeira (PIC
on—line), que manteve um ondógrafo fundeado ao largo da Ilha de Santa Catarina entre Dezembro de 2001 e Novembro ...
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Cardoso, Paulo Henrique Sanchez; Kwietniewski, Carlos Eduardo Fortis; Porto, João Paulo Sarmento; Reguly, Afonso; Strohaecker, Telmo Roberto
(2001)
Delta ferrite in martensitic stainless steels may have an adverse effect on the mechanical properties of these materials at high temperature. The occurrence of such phase is determined by the material chemical composition ...
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Ribeiro, Robert Luis Lara; Mariano, André Bellin; Dilay, Emerson; Souza, Jeferson Avila; Ordonez, Juan Carlos; Vargas, Jose Viriato Coelho
(2009)
A mathematical and computational modeling of a photobioreactor for the determination of the transient temperature behavior in compact tubular microalgae photobioreactors is presented. The model combines theoretical
concepts ...
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Araújo, José Milton de
(2014)
The large pile caps of buildings and bridges may have superficial cracks already in the early hours after concreting. Due to the large volume of concrete, the temperature inside the pile cap may reach very high values, as ...
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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 ...