Search Results - "José Atílio Fritz Fidel Rocco"

A Study of the Influence of Storage Time of Uncured Propellants on the Final Properties of the Composite in Multi‐Batch Processes on an Industrial Scale by Christo da Cunha, Bruno Cesar, Fidel Rocco, José Atílio Fritz

“…In the Brazilian Aerospace Program, even though all developed rocket motors are manufactured in the same plant of the Department of Aerospace Science and…”
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Reinforced Transparencies for Aerospace Application - Case Description by De Bruyn Neto, Melis, Sales, Rita de Cássia Mendonça, Iha, Koshun, Rocco, José Atílio Fritz Fidel

“…ABSTRACT This paper describes the polycarbonate acrylic laminated development that can be applied in aeronautics and aerospace transparencies. The case studied…”
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Influence of storage time before casting on viscosities and mechanical properties of AP/HTPB/Al solid composite propellants by Da Cunha, Bruno Cesar Christo, Mattos, Elizabeth da Costa, Rocco, José Atílio Fritz Fidel

“…Solid rocket motors can contain different quantity of solid composite propellant. In the Brazilian Aerospace Program, a considerable difference of the…”
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EPS foam blast attenuation in full-scale field test of reinforced concrete slabs by Mendonca, Fausto Batista, Urgessa, Girum Solomon, Dutra, Rita Lazzarini, Goncalves, Rene Francisco Boschi, Iha, Koshun, Rocco, Jose Atilio Fritz Fidel

“…Predicting explosion parameters is an important step when planning for blast tests or the design of blast resistant buildings. This paper presents a comparison…”
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DETERMINAÇÃO DOS PARÂMETROS CINÉTICOS E SIMULAÇÃO COMPUTACIONAL DO PERFLUOROPOLIÉTER (PFPE) EMPREGADO COMO LUBRIFICANTE SINTÉTICO by Ellen Cristine Araújo Rosa, Rene Francisco Boschi Gonçalves, Marcela Galizia Domingues, Luiz Eduardo Nunes Almeida, Antônio Carlos Silva, José Atílio Fritz Fidel Rocco

“…This work aims to determine the kinetic parameters of the thermal decomposition of a lubricating grease based on perfluoropolyether (PFPE) and the…”
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Swirl Injection Effects on Hybrid Rocket Motors by Gomes, Susane Ribeiro, Rocco Junior, Leopoldo, Rocco, José Atílio Fritz Fidel

“…In the last decades, hybrid rocket engines have been increasingly studied and used in space vehicles. However, the low regression rates and specific impulses…”
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Síntese de poliuretanos modificados por óleo de mamona empregados em materiais energéticos by Rocha, Roberta Jachura, Lima, José Eduardo Salgueiro, Gomes, Susane Ribeiro, Iha, Koshun, Rocco, José Atílio Fritz Fidel

“…The aim of this work was to synthesize a polyurethane polymer matrix using castor oil as a polymer chain modifier, whose characteristics can be adjusted for…”
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Determinação dos parâmetros cinéticos de decomposição térmica para propelentes BS e BD by Andrade, Jony, Iha, Koshun, Rocco, José Atílio Fritz Fidel, Pinheiro, Glaci Ferreira Martins, Suzuki, Nanci, Suárez-Iha, Maria Encarnación Vázquez

“…O propósito deste trabalho foi determinar os parâmetros cinéticos dedecomposição térmica para uma amostra de propelente base simples e base dupla. Osdados…”
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The Influence of the Level of Load in the Mixer on the Processability and Mechanical Properties of the Solid Composite Propellant by Cunha, Bruno Cesar Christo, Rocco, José Atílio Fritz Fidel

“…The present study evaluated the influence of the level of load in the mixer on the processability and mechanical properties of the solid composite propellant…”
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DETERMINAÇÃO DOS PARÂMETROS CINÉTICOS DE DEGRADAÇÃO E ESTIMATIVA DO TEMPO DE FALHA DE CONTRAMEDIDAS ELETRÔNICAS “FLARE” DO TIPO MAGNÉSIO TEFLON® VITON by Rodrigues, Carlos, Kirchhof, Edemar, Rocco, José

“…DETERMINATION OF DEGRADATION KINETIC PARAMETERS AND FAILURE TIME ESTIMATION OF MAGNESIUM TEFLON® VITON® ELECTRONIC “FLARE” COUNTERMEASURES. Flare type…”
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PROPRIEDADES DE PROTEÇÃO TÉRMICA DO CARBETO DE SILÍCIO EM REVESTIMENTOS CERÂMICOS by Domingues, Marcela, Rocco, José

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Dynamic mechanical properties for polyurethane elastomers applied in elastomeric mortar by Rocco, José Atílio Fritz Fidel, Lima, José Eduardo Salgueiro, Lourenço, Vera Lúcia, Batista, Natássia Lona, Botelho, Edson Cocchieri, Iha, Koshun

“…Dynamic mechanical properties of a polyurethane (PU) elastomer and a mortar processed with the same elastomer (modified polytetramethylene ether glycol…”
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Copper/Iron Brake Friction for Military Aircraft Application by Santos, Thiago Duque Estrada da Silva, Regiani, Inácio, Rocha, Roberta Jachura, Rocco, José Atílio Fritz Fidel

“…The present study assesses the influence of non-metallic constituents and manufacturing parameters, such as compaction pressure and sintering temperature, to…”
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DINÂMICA MOLECULAR REATIVA DA ABERTURA DO ANEL EPÓXI EM REAÇÕES COM POLIAMINA Ellen by Ellen Cristine Araújo Rosa, Rene Francisco Boschi Gonçalves, Marcela Galizia Domingues, José Atílio Fritz Fidel Rocco

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The influence of the type and size of the reactor and the influence of the heating interruption during curing on the solid composite propellant properties by Da Cunha, Bruno Cesar Christo, Rocco, Jose Atilio Fritz Fidel

“…The solid composite propellant is a viscoelastic material that retains the treatment received during its all‐useful life. As a result, its manufacturing…”
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Experimental Study of Polyurethane-Based Fuels with Addition of Paraffin and Aluminum for Hybrid Rocket Motors by Gomes, Susane Ribeiro, Rocco Junior, Leopoldo, Rocco, José Atílio Fritz Fidel, Iha, Koshun

“…Experimental investigation was conducted to determine the relative propulsive and combustion behavior of several polyurethane-based solid-fuel formulations…”
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Obtenção e caracterização de propelentes sólidos compósitos à base de PBLH, alumínio e perclorato de amônio com binders modificados com dióis de cadeia curta by Cunha, Bruno Cesar Christo da, Rocco, José Atílio Fritz Fidel

“…RESUMO O presente estudo avaliou diferentes formulações de propelentes sólidos à base de PBLH/AP/Al modificados por dióis de cadeia curta, 1,4-butanodiol e…”
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An analysis of the initiation process of electro-explosive devices by Faria, Paulo Cesar de Carvalho, Iha, Koshun, Rocco, José Atílio Fritz Fidel

“…Electro-explosive devices (an electric resistance encapsulated by a primary explosive) fundamentally convert electrical energy into thermal energy, to start…”
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ESTIMATIVA DE VIDA ÚTIL DO PBX (plastic-bonded explosive) COM ENVELHECIMENTO ACELERADO by Edemar Kirchhof, Roberta Jachura Rocha, Nanci Miyeko Nakamura, Camila Maria Lapa, Glaci Ferreira Martins Pinheiro, Rene Francisco Boschi Gonçalves, José Atílio Fritz Fidel Rocco, Koshun Iha

“…This article aims to estimate the shelf life of the PBX by thermal analysis estimated by the Arrhenius equation, equivalent to the time of storage at…”
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Ammonium perchlorate and ammonium perchlorate-hydroxyl terminated polybutadiene simulated combustion by Gonçalves, Rene Francisco Boschi, Iha, Koshun, Machado, Francisco Bolivar Correto, Rocco, José Atílio Friz Fidel

“…The combustion simulation of ammonium perchlorate was carried out with the software Chemkin, in two steps: the burning behavior of pure ammonium perchlorate…”
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