EXPERIMENTAL STUDY OF IMPACTOR MOTION IN SALT ICE

Results of an experimental study of the normal collision of cylindrical impactors with sea ice are presented. The dynamics of wave process development in the thickness of a salt ice obstacle and the behavior of the forces of resistance to impactor penetration are analyzed at different impact velocit...

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Veröffentlicht in:	Journal of applied mechanics and technical physics 2020-07, Vol.61 (4), p.546-549
Hauptverfasser:	Gerasimov, S. I., Zubankov, A. V., Kalmykov, A. P., Kapinos, S. A., Kosyak, E. G., Kuznetsov, P. G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applications of Mathematics Barriers Classical and Continuum Physics Classical Mechanics Fluid- and Aerodynamics Ice cover Impact analysis Impact resistance Impact velocity Impactors Mathematical Modeling and Industrial Mathematics Mechanical Engineering Mechanics Penetration resistance Physical Sciences Physics Physics and Astronomy Physics, Applied Science & Technology Sea ice Technology
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Beschreibung
Zusammenfassung:	Results of an experimental study of the normal collision of cylindrical impactors with sea ice are presented. The dynamics of wave process development in the thickness of a salt ice obstacle and the behavior of the forces of resistance to impactor penetration are analyzed at different impact velocities. The possibility of using induction cross sections for determining the position of impactors in the obstacle in a range of initial velocities of 800−1500 m/s. Pulsed X-ray diffraction is used to obtain motion diagrams (depth versus time) and the dimensions of cavities formed.
ISSN:	0021-8944 1573-8620
DOI:	10.1134/S0021894420040070