Home Itens selecionados Provedores de dados OAI Créditos Sobre Ajuda

			Busca avançada
	Provedor de dados ArchiMer (3) Autor Bouchonneau, Nadege (3) Choqueuse, Dominique (2) Grosjean, Francois (2) Sauvant-moynot, Valerie (2) Perreux, Dominique (1) Poncet, Emmanuel (1) Mais... Palavra-chave Syntactic foam (2) Isolation thermique (1) Layered structure (1) Modelling (1) Modélisation thermomécanique (1) Mousse syntactique (1) Multilayered systems (1) Subsea (1) Systèmes multicouches (1) Thermal insulation (1) Thermal properties (1) Thermomechanical modelling (1) Mais... Tipo do documento Text (3) Ano 2010 (1) 2009 (1) 2007 (1) País France (3) Idioma Inglês (2) Francês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 3 Primeira ... 1 ... Última Experimental testing and modelling of an industrial insulated pipeline for deep sea application ArchiMer Bouchonneau, Nadege; Sauvant-moynot, Valerie; Choqueuse, Dominique; Grosjean, Francois; Poncet, Emmanuel; Perreux, Dominique. Ultra-deep water (up to 3000 in) is one of the next frontiers for oil offshore exploitation. It requires the use of conduits having to resist in the long run (durability about 25 years) the mechanical and environmental requests. One of the key points is the thermal insulation of the structure to avoid the formation of hydrates and paraffin plugs inside of the steel pipe. Over the past 10 years, many studies were performed to better understand the behaviour of the syntactic foams used as thermal insulation of pipes for deepwater production, but few tests were run on industrial prototypes to reach the actual thermal properties of the systems. This paper presents the numerical and experimental characterizations of an industrial multilayered insulated pipeline... Tipo: Text Palavras-chave: Layered structure; Subsea; Thermal properties; Modelling; Syntactic foam. Ano: 2010 URL: http://archimer.ifremer.fr/doc/00011/12248/9032.pdf Comprehensive analyses of syntactic foam behaviour in deepwater environment ArchiMer Grosjean, Francois; Bouchonneau, Nadege; Choqueuse, Dominique; Sauvant-moynot, Valerie. Over the past 10 years, numerous studies were performed to better understand the behaviour of the glass syntactic foams used as thermal insulation of pipes for deepwater production. The obtained results outlined some specific behaviour of polymeric syntactic foams reinforced by glass microballoons in service conditions: both water uptake and mechanical stress have a key impact on thermal properties. This article focuses first on the wet behaviour of glass syntactic foams. The effect of water is investigated to better model the nature of water diffusing in syntactic foams with and without a topcoat protection. Secondly, the effect of hydrostatic pressure on coated structure is addressed by using a confined compression test. As polymer material is bonded to... Tipo: Text Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6382.pdf Etude du comportement des systèmes d'isolation thermique pour les grandes profondeurs d'eau ArchiMer Bouchonneau, Nadege. This work deals with the study of the thermomechanical behaviour of multilayered thermal insulation systems protecting subsea pipelines, used in the context of deep sea offshore exploitation (down to 3000 m water depth). The first step of this work consisted in obtaining experimental data on the thermal, mechanical and water diffusion behaviour of insulation materials, particularly of syntactic foams (polymer matrix reinforced with hollow glass microspheres), which are widely used in the thermal insulation of pipelines. The development of experimental tests on industrial multilayered coated structures under representative deep sea conditions (until 300 bar external hydrostatic pressure) represented one of the major aims of this work. The global heat... Tipo: Text Palavras-chave: Thermomechanical modelling; Syntactic foam; Multilayered systems; Thermal insulation; Modélisation thermomécanique; Mousse syntactique; Systèmes multicouches; Isolation thermique. Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/these-2491.pdf Registros recuperados: 3 Primeira ... 1 ... Última

Empresa Brasileira de Pesquisa Agropecuária - Embrapa Todos os direitos reservados, conforme Lei n° 9.610 Política de Privacidade Área restrita		Embrapa Parque Estação Biológica - PqEB s/n° Brasília, DF - Brasil - CEP 70770-901 Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco