Geodesic
Influence of the arrangement of fibers in a composite pipe on the parameters of water hammer
Problemy fiziki, matematiki i tehniki, no. 4 (2023), pp. 30-35.

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The phenomenon of water hammer in a single-layer composite pipe is investigated by the known method of characteristics, with which it is possible to determine the pressure and flow rate (velocity) of a moving fluid [1]–[5]. A methodology has been developed and a program has been created in the Delphi environment that makes it possible to determine the parameters of a water hammer in a composite pipe (wave velocity, pressure and fluid flow). The calculation and analysis of the results on the influence of the physico-mechanical characteristics of a water hammer on the head (pressure) and flow rate of the liquid is carried out on the example of a polyethylene pipe reinforced with a winding of steel fibers [4] with various reinforcement schemes [6], [7]. The velocity of the liquid wave in the orthotropic tube was determined according to the developed method [8], 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, method of characteristics, pressure, fluid flow. 
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V. V. Mozharovsky; S. V. Kirhintsava. Influence of the arrangement of fibers in a composite pipe on the parameters of water hammer. Problemy fiziki, matematiki i tehniki, no. 4 (2023), pp. 30-35. http://geodesic.mathdoc.fr/item/PFMT_2023_4_a4/

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