Experimental-calculation simulation of the ejection of particles from a shock-loaded surface

• Published in: Journal of experimental and theoretical physics Vol. 118; no. 5; pp. 785 - 797
• Main Authors: Mikhailov, A. L., Ogorodnikov, V. A., Sasik, V. S., Raevskii, V. A., Lebedev, A. I., Zotov, D. E., Erunov, S. V., Syrunin, M. A., Sadunov, V. D., Nevmerzhitskii, N. V., Lobastov, S. A., Burtsev, V. V., Mishanov, A. V., Kulakov, E. V., Satarova, A. V., Georgievskaya, A. B., Knyazev, V. N., Kleshchevnikov, O. A., Antipov, M. V., Glushikhin, V. V., Yurtov, I. V., Utenkov, A. A., Sen’kovskii, E. D., Abakumov, S. A., Presnyakov, D. V., Kalashnik, I. A., Panov, K. N., Arinin, V. A., Tkachenko, B. I., Filyaev, V. N., Chapaev, A. V., Andramanov, A. V., Lebedeva, M. O., Igonin, V. V.
• Format: Journal Article
• Language: English
• Published: Moscow Nauka/Interperiodica 01.05.2014; Springer
• Subjects: Classical and Quantum Gravitation; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Elementary Particles; Nonlinear; Particle and Nuclear Physics; Physics; Physics and Astronomy; PRESSURE RANGE GIGA PA; Quantum Field Theory; Relativity Theory; Sensors; SHOCK WAVES; SIMULATION; Soft Matter Physics; Solid State Physics; Statistical; TWO-DIMENSIONAL CALCULATIONS; X RADIATION; Piezoelectric Sensor; Shock Wave Front; Russian Research Institute; Free Surface; Particle Flux
• ISSN: 1063-7761; 1090-6509
• DOI: 10.1134/S1063776114040153

The possibilities of measuring complex Pylenie, which is intended for studying the parameters of the particles ejected from the free surface of a shock-loaded material and was created at the Institute of Experimental Gas Dynamics and Detonation Physics RFNC-VNIIEF, are demonstrated. The operation of the complex is based on the following three methods, which are based on different physical principles and supplement each other: laser-optical method (macro- and microfilming), pulsed X-ray method, and piezoelectric pressure sensors. This complex is used to study the ejection of particles from the free surface of lead samples when a shock wave with a pressure of 7, 16, and 23 GPa at its front reaches this surface. The effect of the surface roughness and the pressure amplitude at the shock wave front on the quantitative characteristics of the process is shown. The calculation-theoretical simulation is performed by two-dimensional numerical calculations of gasdynamic flows, and the calculation results are used to estimate the “ejecta” characteristics in terms of the developed phenomenological model of the process.