10.14489/td.2018.06.pp.034-039

2018, 06 June

DOI: 10.14489/td.2018.06.pp.034-039

Budadin O. N., Kutyurin V. Yu., Mukhanova T. A., Granev I. S.
MEASUREMENT OF STRAINS IN COMPOSITE HIGH-PRESSURE CYLINDERS USING BRAGG FIBER-OPTIC GRATINGS
(pp. 34-39)

Abstract. Recent years, composite high-pressure cylinders are widely used in different industries. For these cylinders, a value of residual strain after nominaI-pressure loading of a cylinder is one of acceptance parameters. For several types of cylinders, reading the information about strains as a function of overpressure value during checking of their quality is that parameter.Traditionally, reading such dependence is carried out using straingage transducers to be cemented to the outer surface of a cylinder. But with developing the sensorics in new areas, for example fiber-optic sensors, it became possible to build sensitive elements in structural elements of products. The present paper considers a method of measuring high-pressure cylinder strains using fiber-optic lines with Bragg fiber gratings recorded in their structure. A principal possibility of measuring strain inside a material of filament-wound products during their tests using Bragg gratings on homeproduced fiber-optic lines (Bragg fiber-optic measuring lines) is shown.

Keywords: high-pressure cylinder, composite materials, strain, fiber-optic sensors, Bragg grating.

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O. N. Budadin, V. Yu. Kutyurin, T. A. Mukhanova, I. S. Granev (Central Research Institute for Special Machinery, JSC (CRISM JSC), Khotkovo, Moscow Region, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

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