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NUMERICAL SIMULATION OF INSTABILITY DEVELOPMENT AT THE CONTACT BOUNDARIES IN A THREE-LAYER GAS SYSTEM: COMPARISON WITH EXPERIMENTAL DATA

Autor: E. D. Sen’kovskii, N. V. Nevmerzhitskii, A. N. Razin, E. A. Sotskov, A. E. Bol’shakova, V. V. Zmushko

Publikováno v: Journal of Applied Mechanics and Technical Physics. 62:38-48

This paper presents the results of experimental and computational studies of instability development and mixing at the contact boundaries between gases of different densities. It has been shown that instability and mixing at two contact boundaries in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d517f605587edc95f391495170d297bf
https://doi.org/10.1134/s0021894421010053

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A Laboratory Complex for Studying the Microstructure of Turbulent Flows

Autor: B. I. Tkachenko, O. L. Krivonos, A. R. Gavrish, S. V. Frolov, N. V. Nevmerzhitskii, E. A. Sotskov, E. D. Sen’kovskii, A. S. Kuchkareva, K. V. Anisiforov, E. V. Levkina, E. V. Bodrov

Publikováno v: Instruments and Experimental Techniques. 62:266-276

A laboratory experimental complex is presented, with which it is possible to study hydrodynamic instabilities and turbulent mixing with a micron spatial resolution and a nanosecond time resolution and then to process results with high precision. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7d9fb94856646f1304144a593efe8627
https://doi.org/10.1134/s0020441219020039

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Some Features of Ejecta from the Surface of a Shocked Lead Sample

Autor: A. S. Kuchkareva, S. V. Frolov, O. L. Krivonos, B. I. Tkachenko, E. V. Levkina, A. B. Georgievskaya, A. R. Gavrish, N. V. Nevmerzhitskii, N. B. Davydov, V. A. Raevskii, E. D. Sen’kovskii, E. A. Sotskov, K. V. Anisiforov, E. V. Bodrov

Publikováno v: Combustion, Explosion, and Shock Waves. 54:585-592

This paper presents the results of an experimental study of particle ejection into low (0.05 atm) vacuum from a narrow (0.2–0.8 mm) rough (Rz = 20–50 μm) surface of a lead sample subjected to a shock wave of intensity about 17 and 34 GPa. The ej

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::269a5208814f2ee6dffa61b041da91e1
https://doi.org/10.1134/s0010508218050118

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Computational and Experimental Investigation of the Development of Turbulent Mixing in a Gas Layering in Passage of a Shock Wave

Autor: A. N. Razin, E. D. Sen’kovskii, E. V. Bodrov, E. A. Sotskov, V. V. Zmushko, N. V. Nevmerzhitskii

Publikováno v: Fluid Dynamics. 53:385-393

The experimental data and the results of direct numerical simulation of the flow developed in a constant-cross-section tube in passage of a shock wave through a three-layer gas system are presented. The three-layer systemis formed as a result ofmount

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24c40acceb935d5e12632711d50c51da
https://doi.org/10.1134/s0015462818030059

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Experimental study of the interaction of shock waves with the contact boundary and zone of turbulent mixing of different gases

Autor: O. L. Krivonos, E. A. Sotskov, S. V. Frolov, N. V. Nevmerzhitskii, A. N. Razin, E. V. Bodrov, K. V. Anisiforov, E. V. Levkina, E. D. Sen’kovskii

Publikováno v: Journal of Applied Mechanics and Technical Physics. 58:200-208

The interaction of a shock wave with turbulent flow was experimentally investigated. The case where a shock wave formed at one end of the tube, passed through the interface between two quiescent gases with different densities (air–CO2 or air–Ar),

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::391b8d5d1fb1071ceee609b3d683b3ee
https://doi.org/10.1134/s002189441702002x

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Effect of a gas on the ejection of particles from the free surface of a sample subjected to a shock wave with various intensities

Publikováno v: Journal of Experimental and Theoretical Physics. 123:357-362

In view of the possible effect of contamination of a plasma by metal particles on the operation of a number of facilities or on the detection of the motion of liners by Doppler methods, a particular attention has been recently focused on the problem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::573e87b117ebb02634d1cd2e671bcb43
https://doi.org/10.1134/s1063776116060078

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Experimental and numerical study of turbulent mixing at the contact boundaries of three-dimensional gas systems

Autor: O. L. Krivonos, A A Nikulin, A. N. Razin, E. V. Shaporenko, E. D. Sen’kovskii, L. V. Tochilina, N. V. Nevmerzhitskii, E. A. Sotskov

Publikováno v: Journal of Applied Mechanics and Technical Physics. 56:192-201

This work presents the results of experimental and numerical studies on the process of turbulent mixing ocurring at the contact boundaries of three-layer gas systems during the passage of a stationary shock wave with a Mach number M ≈ 1.3. The expe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::42952e7e5698c70280ac8f8c736ce8cb
https://doi.org/10.1134/s0021894415020042

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Study of the Reynolds Number Effect on the Process of Instability Transition Into the Turbulent Stage

Autor: O L Krivonos, N. V. Nevmerzhitskiy, A. A. Polovnikov, V. V. Marmyshev, E. D. Sen'kovskiy, S A Abakumov, S. V. Frolov, E. V. Levkina, E A Sotskov

Publikováno v: Journal of Fluids Engineering. 136

Turbulent mixing (TM) occurring at the propagation of the R–T [1,2] and Richtmyer–Meshkov (R–M) [3,4] instabilities on the interfaces of substances with different densities can lead to a decrease of efficiency in the targets of inertial thermon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54fc08f8ddb2fb907225cc163e852f20
https://doi.org/10.1115/1.4027774

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Development of the Rayleigh-Taylor instability in finite-strength media. Two-and three-dimensional perturbations

Autor: E. A. Sotskov, N. V. Nevmerzhitskii, E. E. Meshkov

Publikováno v: Technical Physics Letters. 28:145-147

The instability development in plane-parallel jelly layers of various strength accelerated by a compressed gas flow is studied. The character of the perturbation variations significantly depends on the strength of the accelerated layer.

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https://doi.org/10.1134/1.1458517

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The effect of turbulent mixing on the dynamics of a liquid layer accelerated by a compressed air flow

Autor: E. A. Sotskov, N. V. Nevmerzhitskii, I. G. Pylev, I. G. Zhidov, E. E. Meshkov

Publikováno v: Technical Physics Letters. 28:87-89

The influence of a turbulent mixing (TM), developed at the unstable boundary of a liquid layer accelerated by a hot compressed gas flow, on the efficiency of the subsequent energy transfer from the accelerated liquid layer to a gas layer compressed b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c37a7990fb3740fb0bd4b4fc4d54ef6
https://doi.org/10.1134/1.1458498

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