Protective effectiveness of porous shields under the influence of high-speed impact loading

E. N. Kramshonkov, A. V. Krainov, P. V. Shorohov

The Butakov Research Center

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The results of numerical simulations of a compact steel impactor with the aluminum porous shields under high-speed shock loading are presented. The porosity of barrier varies in wide range provided that its mass stays the same, but the impactor has always equal (identical) mass. Here presented the final assessment of the barrier perforation speed depending on its porosity and initial shock speed. The range of initial impact speed varies from 1 to 10 km/s. Physical phenomena such as: destruction, melting, vaporization of a interacting objects are taken into account. The analysis of a shield porosity estimation disclosed that the protection effectiveness of porous shield reveals at the initial impact speed grater then 1.5 km/s, and it increases when initial impact speed growth.

Original language	English
Title of host publication	EPJ Web of Conferences
Publisher	EDP Sciences
Volume	110
DOIs	https://doi.org/10.1051/epjconf/201611001031
Publication status	Published - 23 Feb 2016
Event	Thermophysical Basis of Energy Technologies 2015 - Tomsk, Russian Federation Duration: 13 Oct 2015 → 15 Oct 2015

Other

Other	Thermophysical Basis of Energy Technologies 2015
Country	Russian Federation
City	Tomsk
Period	13.10.15 → 15.10.15

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ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Kramshonkov, E. N., Krainov, A. V., & Shorohov, P. V. (2016). Protective effectiveness of porous shields under the influence of high-speed impact loading. In EPJ Web of Conferences (Vol. 110). [01031] EDP Sciences. https://doi.org/10.1051/epjconf/201611001031

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AB - The results of numerical simulations of a compact steel impactor with the aluminum porous shields under high-speed shock loading are presented. The porosity of barrier varies in wide range provided that its mass stays the same, but the impactor has always equal (identical) mass. Here presented the final assessment of the barrier perforation speed depending on its porosity and initial shock speed. The range of initial impact speed varies from 1 to 10 km/s. Physical phenomena such as: destruction, melting, vaporization of a interacting objects are taken into account. The analysis of a shield porosity estimation disclosed that the protection effectiveness of porous shield reveals at the initial impact speed grater then 1.5 km/s, and it increases when initial impact speed growth.

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Access to Document

10.1051/epjconf/201611001031