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Experimental study of hydraulic ram effects on a liquid storage tank: Analysis of overpressure and cavitation induced by a high-speed projectile

Abstract : This work is part of a project for evaluating catastrophic tank failures caused by impacts with a high-speed solid body. Previous studies on shock overpressure and drag events have provided analytical predictions, but they are not sufficient to explain ejection of liquid from the tank. This study focuses on the hydrodynamic behavior of the liquid after collision to explain subsequent ejection of liquid. The study is characterized by use of high-velocity projectiles and analysis of projectile dynamics in terms of energy loss to tank contents. New tests were performed at two projectile velocities (963 and 1255 m s−1) and over a range of viscosities (from 1 to 23.66 mPa s) of the target liquid. Based on data obtained from a high-speed video recorder, a phenomenological description is proposed for the evolution of intense pressure waves and cavitation in the target liquids.
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https://hal.archives-ouvertes.fr/hal-02012164
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Submitted on : Monday, February 24, 2020 - 9:22:34 AM
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Nicolas Lecysyn, Aurélia Bony-Dandrieux, Laurent Aprin, Frederic Heymes, Pierre Slangen, et al.. Experimental study of hydraulic ram effects on a liquid storage tank: Analysis of overpressure and cavitation induced by a high-speed projectile. Journal of Hazardous Materials, Elsevier, 2010, 178 (1-3), pp.635-643. ⟨10.1016/j.jhazmat.2010.01.132⟩. ⟨hal-02012164⟩

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