Model assessment of the lifetime of a composite overwrapped pressure vessel under creep conditions : доклад, тезисы доклада

Eremin N.V.; Moskvichev V.V.

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База данных: Каталог библиотеки СФУ

Библиографическое описание: Model assessment of the lifetime of a composite overwrapped pressure vessel under creep conditions : доклад, тезисы доклада / N. V. Eremin, V. V. Moskvichev. - [S. l. : s. n.], 2020. - Текст : непосредственный // Journal of Physics: Conference Series : 9 / 9th International Conference on Lavrentyev Readings on Mathematics, Mechanics and Physics (2020 ; 07.09 - 11.09 ; Novosibirsk) : IOP Publishing Ltd, 2020. - 1666. - P. 012069. - DOI 10.1088/1742-6596/1666/1/012069.

Аннотация: An approach has been developed to estimate the lifetime of a composite overwrapped pressure vessel under creep conditions. Creep tests of unidirectional composite material based on T1000 carbon fibers and epoxy resin were conducted at high temperatures. Experimental creep curves were obtained and the creep rate for each specimen was determined. A numerical analysis of creep of a composite overwrapped pressure vessel subjected to a constant pressure was carried out. Time-strain curves are obtained for each characteristic point in the composite shell. The strains range up to 12.5%. The curves of relaxation of tensile stress in a composite overwrapped pressure vessel are obtained. The stress gradually decreases from 926 to 564 MPa. The structure of the vessel considered remains stable without critical strains and stresses after 50 years of exploitation. Using the proposed modeling approach of a composite overwrapped pressure vessel, taking into account the effect of creep in the composite shell, it is possible to evaluate the lifetime of the structure.

Год издания: 2020

Авторы: Eremin N.V. , Moskvichev V.V.

Издательство: IOP Publishing Ltd

Источник: Journal of Physics: Conference Series

Выпуск: 1666

Мероприятие: International Conference on Lavrentyev Readings on Mathematics, Mechanics and Physics (Novosibirsk, 2020 ; 07.09 - 11.09)

Номера страниц: 012069

Держатель оригинала документа: Institute of Computational Modeling,Siberian Branch,Russian Academy of Sciences, Krasnoyarsk Branch,Federal Research Center for Information and Computational Technologies

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