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Souza, Jeferson Avila; Vargas, Jose Viriato Coelho; Bianchi, Marcus Vinicius Andrade
(2003)
Heat transfer from a surface in motion relative to either a stationary or moving fluid occurs in many materials processing applications such as hot rolling, extrusion, drawing, and drying. In this study, an analysis has ...
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Souza, Jeferson Avila; Vargas, Jose Viriato Coelho; Meien, Oscar Felippe von; Martignoni, Waldir Pedro
(2007)
Risers are considered vital parts in Fluidized Catalytic Cracking (FCC) conversion units. It is inside the riser reactor that the heavy hydrocarbon molecules are cracked into lighter petroleum fractions such as liquified ...
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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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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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Souza, Jeferson Avila; Vargas, Jose Viriato Coelho; Meien, Oscar Felippe von; Martignoni, Waldir Pedro
(2003)
The catalytic cracking of hydrocarbons in a FCC riser is a very complex physical and chemical phenomenon, which combines a three-dimensional, three-phase fluid flow with a heterogeneous catalytic cracking kinetics. Several ...
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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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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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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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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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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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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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Dilay, Emerson; Vargas, Jose Viriato Coelho; Souza, Jeferson Avila; Ordonez, Juan Carlos; Yang, Sam; Mariano, André Bellin
(2015)
This work presents a simplified modeling and simulation approach for energy systems engineering that is capable of providing quick and accurate responses during system design. For that, the laws of conservation are combined ...
