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- Article name
- Study of impulsive loading of experimental hydrodynamic facility with composite structural elements
- Authors
- VALOV I. I., , vii_1982@mail.ru, Miass Branch of Federal State Budget Educational Institution of Higher Education "Chelyabinsk State University"; South Urals Federal Research Center of Mineralogy and Geoecology of the UB RAS, Miass, Chelyabinsk Region, Russia
KALASHNIKOV S. T., , ofpat@mail.ru; sergiot@bk.ru, South Urals Federal Research Center of Mineralogy and Geoecology of the UB RAS, Miass, Chelyabinsk Region, Russia
- Keywords
- hydrodynamic experiment / pressure field in a liquid / composite walls
- Year
- 2022 Issue 4 Pages 6 - 10
- Code EDN
- AQECSB
- Code DOI
- 10.52190/2073-2562_2022_4_6
- Abstract
- The solution to theproblem has been proposed is focused on determination of a pressure field in a liquid at experimental testing of object motion under water. A calculation method is proposed to determine a pressure field on the walls of a reservoir during intensive development of a spherical gas cavity in the liquid. The presence of solid reservoir walls is taken into account by placing fictitious sources on them with intensity ensuring that the non-leakage condition is met. The law of a gas bubble development is derived, similar to the Rayleigh equation; gas mass in the bubble is determined by the Saint-Venant equation. Pressure at the reservoir point of the researcher interest is determined by the Cauchy-Lagrange integral. The developed method permits to evaluate loads on composite walls of a test bench in case of an emergency situation.
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