Geodesic
Influence of composite pipe reinforcement schemes on the wave speed in case of water hammer
Problemy fiziki, matematiki i tehniki, no. 3 (2023), pp. 21-25 Cet article a éte moissonné depuis la source Math-Net.Ru

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The studies of the wave velocity during water hammer for single-layer pipes made of a composite with a liquid flowing inside with various reinforcement schemes are presented. To develop mathematical models for calculating the wave speed, the mathematical theory of elasticity of an anisotropic medium is used, based on the concepts of macromechanics. Using the example of calculating a polyethylene pipe reinforced with a winding of steel fibers, an analysis was made of the results on the effect of the percentage of fiber in the matrix of a composite material on the wave velocity during hydraulic shock. It is shown that the results obtained are in good agreement with the other experimental and theoretical data.
Mots-clés : composite pipe, matrix
Keywords: orthotropy, fibers, wave velocity, water hammer. 
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V. V. Mozharovsky; S. V. Kirhintsava. Influence of composite pipe reinforcement schemes on the wave speed in case of water hammer. Problemy fiziki, matematiki i tehniki, no. 3 (2023), pp. 21-25. http://geodesic.mathdoc.fr/item/PFMT_2023_3_a3/

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