Ejection of Particles from the Free Surface of Shock-Loaded Lead into Vacuum and Gas Medium

The presence and behavior of a gas–metal interfacial layer at the free surface of shock-wave driven flying vehicles in gases of various compositions and densities has not been sufficiently studied so far. We present new comparative data on “dusting” from the free surface of lead into vacuum and gas...

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Veröffentlicht in:	Journal of experimental and theoretical physics 2017-12, Vol.125 (6), p.985-992
Hauptverfasser:	Ogorodnikov, V. A., Mikhailov, A. L., Erunov, S. V., Antipov, M. V., Fedorov, A. V., Syrunin, M. A., Kulakov, E. V., Kleshchevnikov, O. A., Yurtov, I. V., Utenkov, A. A., Finyushin, S. A., Chudakov, E. A., Kalashnikov, D. A., Pupkov, A. S., Chapaev, A. V., Mishanov, A. V., Glushikhin, V. V., Fedoseev, A. V., Tagirov, R. R., Kostyukov, S. A., Tagirova, I. Yu, Saprykina, E. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atoms Classical and Quantum Gravitation CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Ejection Elementary Particles Flight Free surfaces GASES Molecules Optics Particle and Nuclear Physics PARTICLES Physics Physics and Astronomy Quantum Field Theory RARE EARTHS Relativity Theory RESOURCES REST MASS SHOCK WAVES Solid State Physics Surface roughness
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Beschreibung
Zusammenfassung:	The presence and behavior of a gas–metal interfacial layer at the free surface of shock-wave driven flying vehicles in gases of various compositions and densities has not been sufficiently studied so far. We present new comparative data on “dusting” from the free surface of lead into vacuum and gas as dependent on the surface roughness, pressure amplitude at the shock-wave front, and phase state of the material. Methods of estimating the mass flux of ejected particles in the presence of a gas medium at the free metal surface are proposed.
ISSN:	1063-7761 1090-6509
DOI:	10.1134/S1063776117120172