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Peraça, Maria da Graça Teixeira
(2009)
Nas engenharias, é fundamental estimar o tempo de vida útil das estruturas construídas, o que neste trabalho significa o tempo que os íons cloretos levam para atingirem a armadura do concreto. Um dos coeficientes que ...
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Araújo, José Milton de
(2008)
O objetivo deste trabalho é analisar a correlação entre o módulo de deformação longitudinal do concreto e sua resistência à compressão. Diversos resultados experimentais realizados no Brasil e
disponíveis na bibliografia ...
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Pinto, Wagner Mespaque
(2010)
Os projetos mais recentes de plataformas do tipo FPSO da PETROBRAS utilizam plantas
modulares sobre cascos convertidos de mais de 300m de comprimento. Os módulos podem
atingir 2.000t (peso seco) e mais de 3.000t em ...
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Araújo, José Milton de
(2000)
Neste trabalho é feito um estudo sobre a correlação existente entre o módulo de deformação longitudinal do concreto e sua resistência à compressão. Diversos resultados experimentais disponíveis na bibliografia são utilizados ...
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Brum, Ruth da Silva; Vaz, Joaquim; Rocha, Luiz Alberto Oliveira; Santos, Elizaldo Domingues dos; Isoldi, Liércio André
(2013)
The use of renewable energy sources to improve the thermal conditions of built environments and hencedecreasing the consumption of conventional energy is an important aspect to design a sustainable build-ing. Within this ...
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Melo Filho, Eloi
(2012)
No presente trabalho apresenta-se uma breve revisão da teoria usada no cálculo do Fluxo de Energia transmitido por ondas oceânicas, abordando o conceito do “período de energia”. Apresenta-se também uma forma aproximada ...
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Vargas, Jose Viriato Coelho; Souza, Jeferson Avila; Hovsapian, Rob; Ordonez, Juan Carlos; Chiocchio, Tim; Chalfant, Julie; Chryssostomidis, Chryssostomos; Dilay, Emerson
(2012)
This work presents a simplified mathematical model for fast visualization and thermal simulation of complex and integrated energy systems that is capable of providing quick responses during system design. The tool allows ...
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Silva, Jair Vignolle da; Teixeira, Paulo Roberto de Freitas; Calliari, Lauro Júlio
(2014)
The shoreface and the inner shelf along the northern and the central coast of Rio Grande do Sul (RS) state, Brazil, between Torres and Mostardas, although displaying a homogeneous bottom relief show variations in slope and ...
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Gomes, Mateus das Neves; Santos, Elizaldo Domingues dos; Isoldi, Liércio André; Rocha, Luiz Alberto Oliveira
(2015)
The wave energy conversion into electricity has
been increasingly studied in the last years. There are several
proposed converters. Among them, the oscillatingwater
column (OWC) device has been widespread evaluated
in ...
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Teixeira, Paulo Roberto de Freitas; Gomes, Mateus das Neves; Santos, Elizaldo Domingues dos; Isoldi, Liércio André; Rocha, Luiz Alberto Oliveira
(2010)
The study of the action of waves on piles is very important for the design of structures in coastal and oceanic areas. Currently, there is strong interest in analyzing the action of waves on piles with non-circular sections, ...
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Gomes, Mateus das Neves; Seibt, Flávio Medeiros; Rocha, Luiz Alberto Oliveira; Santos, Elizaldo Domingues dos; Isoldi, Liércio André
(2014)
This work presents a 2D numerical study of an Oscillating Water Column (OWC) converter considering physical constraints in its outlet chimney to represent the turbine pressure drop. Two strategies were adopted. The first ...
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Davyt, Djavan Perez; Teixeira, Paulo Roberto de Freitas; Ramalhais, Rúben dos Santos; Didier, Eric Lionel
(2010)
The potential of wave energy along coastal areas is a particularly attractive option in regions of high latitude, such as the coasts of northern Europe, North America, New Zealand, Chile and Argentina where high densities ...
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Paliga, Charlei Marcelo; Real, Mauro de Vasconcellos; Campos Filho, Américo
(2013)
The use of composite materials based on polymeric resins and fiber as strengthening in concrete structures has been widely used. The use of carbon fiber reinforced polymers or other synthetic fibers is consolidated by its ...
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Seibt, Flávio Medeiros; Couto, Eduardo Costa; Teixeira, Paulo Roberto de Freitas; Santos, Elizaldo Domingues dos; Rocha, Luiz Alberto Oliveira; Isoldi, Liércio André
(2014)
The need for clean and renewable energy sources has nowadays contributed to give relevance to the study of sea wave energy. In this context, the present work brings a computational modeling to analyze the fluid-dynamic ...
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Oliveira, Iran Rodrigues de; Amico, Sandro Campos; Souza, Jeferson Avila; Lima, Antonio Gilson Barbosa de
(2015)
This work aims to investigate the infiltration of a CaCO3 filled resin in fibrous porous
media (resin transfer molding process) using the PAM-RTM software. A preform of glass fiber mat (fraction 30%), with dimensions 320 ...
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Rodrigues, Michel Kepes; Brum, Ruth da Silva; Vaz, Joaquim; Rocha, Luiz Alberto Oliveira; Santos, Elizaldo Domingues dos; Isoldi, Liércio André
(2015)
The Earth-Air Heat Exchanger (EAHE) is a device used to improve the thermal condition of built environments, allowing the reduction of electrical energy consumption of traditional air conditioner systems. Fundamentally, ...
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Souza, Jeferson Avila; Rocha, Luiz Alberto Oliveira; Amico, Sandro Campos; Vargas, Jose Viriato Coelho
(2011)
Resin Transfer Molding (RTM) is largely used for the manufacturing of high-quality composite components and the key stage during processing is the resin infiltration. The complete understanding of this phenomenon is of ...
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Santos, Elizaldo Domingues dos; Silva, Fábio de Moraes Vaz da; Acunha Junior, Ivoni Carlos; Galarça, Marcelo Moraes; Isoldi, Liércio André; Rocha, Luiz Alberto Oliveira
(2012)
The present study presents large eddy simulation (LES) of forced convective heat transfer in transient, two-dimensional, incompressible turbulent flows over a pair of cylinders with two different arrangements: 1) with two ...
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Souza, Jeferson Avila; Isoldi, Liércio André; Santos, Elizaldo Domingues dos; Oliveira, Cristiano Peres; Amico, Sandro Campos
(2012)
This work focus on developing a numerical methodology for the determination of permeability of RTM reinforcements. The method allows the calculation of the three permeability components (Kxx, Kyy and Kzz) from a set of ...
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Correia, Anderson Luis Garcia; Helbig, Daniel; Real, Mauro de Vasconcellos; Santos, Elizaldo Domingues dos; Isoldi, Liércio André
(2013)
Many elements in engineering are formed by thin plates. Hulls and decks of ships
are examples of application. These elements can have holes that serve as inspection port,
access or even to weight reduction. The presence ...