Search Results - "Alves da Silva, Itavahn"

Numerical Simulation of Recirculating Flow and Physical Model of Slag–Metal Behavior in an RH Reactor: Application to Desulfurization by Peixoto, Johne Jesus Mol, Gabriel, Weslei Viana, de Oliveira, Thiago Araújo Santos, da Silva, Carlos Antonio, da Silva, Itavahn Alves, Seshadri, Varadarajan

“…Computational fluid dynamics (CFD) techniques and a 1:7.5 physical model of an RH degasser have been used to evaluate the flow of gas and metal inside an RH…”
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Computational and physical simulation of fluid flow inside a beam blank continuous casting mold by Peixoto, Johne Jesus Mol, Gabriel, Weslei Viana, Ribeiro, Leticia Queiroz, Silva, Carlos Antônio da, Silva, Itavahn Alves da, Seshadri, Varadarajan

“…The main features of the flow field inside a beam blank continuous casting mold have been assessed through mathematical and physical modeling techniques…”
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Bubble behavior in the slab continuous casting mold: Physical and mathematical model by Santos, Paulo Luiz, Peixoto, Johne Jesus Mol, Silva, Carlos Antônio da, Silva, Itavahn Alves da, Galinari, Clenice Moreira

“…A two phase population balance is used to predict the polydispersed bubble flow and size distribution in a slab continuous casting mold and Submerged Entry…”
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Numerical and Physical Simulation of the Fluid Flow in a Beam Blank Mold Fed Through the Center of the Web by Gabriel, Weslei Viana, Peixoto, Johne Jesus Mol, Queiroz, Guilherme Santiago, da Silva, Carlos Antonio, da Silva, Itavahn Alves, Seshadri, Varadarajan

“…Fluid flow inside a beam blank mold fed through a three-port SEN (two lateral ports and one bottom port), positioned at the center of the mold, has been…”
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The influence of flow asymmetry on refractory erosion in the vacuum chamber of a RH degasser by Melo, Pedro Henrique Resende Vaz de, Peixoto, Johne Jesus Mol, Galante, Gustavo Santos, Loiola, Bruna Helena Malovini, Silva, Carlos Antônio da, Silva, Itavahn Alves da, Seshadri, Varadarajan

“…Nozzle blockage in RH reactors is a serious operational problem since it can cause an asymmetric distribution of the steel flow in both the up-leg as well as…”
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NUMERICAL AND PHYSICAL SIMULATION OF STEEL LADLE DRAINING OPERATION WITH DIFFERENT WELL BLOCK DESIGN by Conceição, Paulo Vinícius Souza da, Silva, Carlos Antônio da, Silva, Itavahn Alves da, Ananias, João Victor Gomes Guimarães, Resende, Alexandre Dolabella

“…At the end of a ladle draining operation a structure called drain sink forms at the top surface of the liquid steel allowing slag carry over from the ladle to…”
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ESTUDO DE PROJEÇÕES DE UM BOF UTILIZANDO ANÁLISE MULTIVARIADA DE DADOS by Loiola, Bruna Helena Malovini, Furtado, Henrique Silva, Salazar, André Vicente, Silva, Itavahn Alves da, Silva, Carlos Antônio da

“…A projeção em um BOF é uma anomalia que representa desperdício de matéria prima, risco de acidentes, prejuízo financeiro e, principalmente, traz consequências…”
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COMPUTATIONAL FLUID DYNAMICS APPLIED TO THE STUDY OF INCLUSIONS FLOTATION IN STEELS FOR AUTOMOTIVE INDUSTRY by Ângelo Máximo Fernandes Marins, Joaquim Gonçalves Costa Neto, Wiclef Humberto Vieira Martins, Carlos Antônio da Silva, Itavahn Alves da Silva

“…The practice of inert gas bubbling in steel refining ladle aims the removal of non-metallic inclusions, in addition to thermal and compositional…”
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A PHYSICAL MODELLING STUDY OF INCLUSION REMOVAL IN TUNDISH USING INERT GAS CURTAIN by Seshadri, Varadarajan, Silva, Carlos Antonio da, Silva, Itavahn Alves da, Araújo Junior, Ely da Silva

“…The control and minimization of non-metallic inclusions content in the tundish and in the mold of a continuous casting unit is crucial for ensuring the final…”
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The influence of the geometry of a three orifice nozzle on the flow field inside a beam blank mold by Gabriel, Weslei Viana, Peixoto, Johne Jesus Mol, Silva, Ciro Azevedo, da Silva, Carlos Antônio, da Silva, Itavahn Alves, Seshadri, Varadarajan

“…A single nozzle design with three lateral ports has been proposed to feed a beam blank mold. Techniques of physical modeling and computational fluid dynamics…”
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A Kinetic Model Applied to the Molten Pig Iron Desulfurization by Injection of Lime-based Powders by Seshadri, Varadarajan, Silva, Carlos Antonio da, Silva, Itavahn Alves da, Krüger, Paulo von

“…A kinetic model of hot-metal desulfurization by deep injection of synthetic powder mixtures is presented. The approach takes into consideration the transient…”
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LIME-BASED FLUX INJECTION FOR PIG IRON REFINING IN INDUSTRIAL LADLES by Seshadri, Varadarajan, Antônio da Silva, Carlos, Alves da Silva, Itavahn

“…A software for lime-based flux injection for desulfurization of pig iron in ladle has been developed with the objective of predicting end sulfur content and…”
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STUDY OF FLOW MODIFICATION AND INCLUSION REMOVAL IN SLAB TUNDISH DUE TO BOTTOM GAS INJECTION / ESTUDO DE MODIFICAÇÃO DE FLUXO E REMOÇÃO DE INCLUSÕES EM UM DISTRIBUIDOR DE LINGOTAMENTO DE PLACAS DEVIDO A INJEÇÃO DE GÁS PELO FUNDO by Silva, Heric Henrique Souza e, Silva, Carlos Antônio da, Silva, Itavahn Alves da, Barros Júnior, Antônio Gurgel

“…In order to quantify inclusion removal the role of flow pattern inside the tundish is assessed. Also mathematical models of inclusion separation including the…”
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STUDY OF FLOW MODIFICATION AND INCLUSION REMOVAL IN SLAB TUNDISH DUE TO BOTTOM GAS INJECTION by Silva, Heric Henrique Souza e, Silva, Carlos Antônio da, Silva, Itavahn Alves da, Barros, Antônio Gurgel

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INFLUENCE OF SEN CONFIGURATION IN BEAM BLANK CAST FLUIDODYNAMIC BEHAVIOR / INFLUÊNCIA DA CONFIGURAÇÃO DA SEN NO COMPORTAMENTO FLUIDODINÂMICO EM MOLDE DE BEAM BLANK by Gabriel, Weslei Viana, Peixoto, Johne Jesus Mol, Alves, Gesiane Letícia, Silva, Carlos Antonio da, Silva, Itavahn Alves da, Seshadri, Varadarajan

“…Physical and mathematical simulations was used to characterize the fluid flow inside a beam blank mold fed with one submerged entry nozzles containing three…”
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INFLUÊNCIA DA CONFIGURAÇÃO DA SEN NO COMPORTAMENTO FLUIDODINÂMICO EM MOLDE DE BEAM BLANK by Gabriel, Weslei Viana, Peixoto, Johne Jesus Mol, Alves, Gesiane Letícia, Silva, Carlos Antonio da, Silva, Itavahn Alves da, Seshadri, Varadarajan

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AN EVALUATION OF GAS INJECTION EFFECTS IN A MECHANICALLY STIRRED HOT METAL DESULFURIZATION SYSTEM by Torres, Filipe de Menezes, Silva, Carlos Antonio da, Silva, Itavahn Alves da, Melo, Pedro Henrique R. V. de, Lourenço, Marcelo Araújo

“…Physical modeling techniques have been used in order to assess the effects of gas injection as a means of optimizing mechanically stirred desulfurization…”
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FLUIDODINÂMICA COMPUTACIONAL APLICADA AO ESTUDO DA FLOTAÇÃO DE INCLUSÕES EM AÇOS PARA A INDÚSTRIA AUTOMOBILISTICA by Marins, Ângelo Máximo F, Costa Neto, Joaquim Gonçalves, Martins, Wiclef Humberto V, Silva, Carlos Antonio da, Silva, Itavahn Alves da

“…The practice of inert gas bubbling in steel refining ladle aims the removal of non-metallic inclusions, in addition to thermal and compositional…”
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AUMENTO DA EFICIÊNCIA DE DESSULFURAÇÃO DO GUSA LÍQUIDO EM UM REATOR KANBARA by Lemos, Leandro Rocha, Silva, Carlos Antonio da, Silva, Itavahn Alves da, Mansur, Filipe, Seshadri, Varadarajan, Kirmse, Odair José

“…Mathematical and physical modeling of Kanbara process, which takes in consideration the particle size of the reagent, the shape, depth of immersion, rotation…”
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AVALIAÇÃO VIA MODELAGEM FÍSICA DOS EFEITOS DE ALGUNS PARÂMETROS OPERACIONAIS SOBRE A PRODUTIVIDADE DE CONVERSORES/CONVERTEDORES DE SOPRO COMBINADO by Gasparini, Vitor Maggioni, Silva, Carlos Antonio da, Silva, Itavahn Alves da, Almeida, Leandro, Seshadri, Varadarajan, Araújo, Ely da Silva

“…Physical modeling is employed in order to assess the influence of some geometrical and operational parameters of a combined blow converter on mixing,…”
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