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2019/1
Measurement of gas dynamic parameters in slit during evaporation of walls
Technical sciences

Authors: Georgy V. BELJAKOV (b. 1936) graduated from the Moscow Engineering Phy- sics Institute in 1959. He is Candidate of Physical and Mathematical Sciences, Senior Researcher at the “Geomechanics and fluid dynamics” Laboratory of the Institute of Geosphere Dynamics of the Russian Academy of Sciences. He is author of over 50 publications in the field of physics of high speed chemical processes and mechanics of multiphase fluids.
E-mail: m5184@yandex.ru
Aliya A. TAIROVA graduated from the Moscow Institute of Physics and Technology in 2008. She is Candidate of Physical and Mathematical Sciences, Senior Researcher at the “Geomechanics and Fluid Dynamics” Laboratory of the Institute of Geosphere Dyna- mics of the Russian Academy of Sciences, Associate Professor at the Department of Theo- retical and Experimental Physics of Geosystems of the Moscow Institute of Physics and Technology. She is author of over 30 publications in the field of geomechanics and dyna- mics of fluids.
E-mail: moscouposte@gmail.com
Anatoly N. FILIPPOV (b. 1960) graduated from the M.V. Lomonosov Moscow State University in 1982. He is Doctor of Physical and Mathematical Sciences, Professor at the Department of Higher Mathematics, Leading Researcher at the Laboratory of Functional Aluminosilicate Materials of Gubkin Russian State University of Oil and Gas (National Research University). He is author of over 350 scientific papers in the field of physical-chemical mechanics, colloid chemistry and mathematics.
E-mail: filippov.a@gubkin.ru

Abstract: The results of laboratory measuring of gas-dynamic parameters in the fracture during evaporation of its walls are presented. The fracture of a shale layer was simulated by a slit created in plexiglass. The fracture was blown through by gas flow, its speed was experimentally measured. The values of flow rates, evaporation speed and entrainment of the mass of material from the surface of the slit are recorded. The shall recovery factor is calculated under laboratory conditions

Index UDK: 536.46

Keywords: exothermic reaction, evaporation of slit walls, gas flow, fracturing mo-deling, recovery factor

Bibliography:
1. Kim J.K. Investigation on the turbulent swirling flow field within the combustion chamber of a gun-type gas burner. Transactions of the Korean Society of Mechanical Engineers, B, 2009, vol. 33, issue 9, p. 666-673.
2. Fujimoto T., Usami M. Monte-Carlo Simulation on Rarefied Gas Flow through Two-Dimen-sional Slits (Cases of High-Pressure Ratio). Transactions of the Japan Society of Mechanical Engineers, Series B, 1984, vol. 50, issue 459, p. 2717-2722.
3. Usami M., Fujimoto T., Kato S. Mass-Flow Reduction of Rarefied Gas by Roughness of a Slit Surface: (High-Speed Calculation of DSMC Method on the Vector Processor). Transactions of the Japan Society of Mechanical Engineers, Series B, 1988, vol. 54, issue 501, p. 1042-1050.
4. Sharipov F., Kozak D.V. Rarefied gas flow through a thin slit at an arbitrary pressure ratio. European Journal of Mechanics B/Fluids, 2011, vol. 30, p. 543-549.
5. Kim Y.W., Metzger D.E. Heat transfer and effectiveness on film cooled turbine blade tip models. Journal of Turbomachinery, 1995, vol. 117, issue 1, p. 12-21.
6. Tairova A.A., Belyakov G.V., Chervinchuk S.Yu. Ablation in the slit in combustion. Proceedings of the international conference on advanced materials with hierarchical structure for new techno- logies and reliable structures 2017 (AMHS’17). AIP Conference Proceedings, 2017, vol. 1909, 020216. https://doi.org/10.1063/1.5013897.
7. Belyakov G.V., Tairova A.A. The measurement of gas dynamics parameters in the gap during ablation of its walls. Dynamics processes in geospheres. Collected scientific papers of IDG RAS. M.: Geos, 2017, issue 9, p. 75-79.
8. Landau L.D., Lifshitz E.M. Teoreticheskaya fisika VI — Gidrodinamika. M.: Nauka, 1988, 736 p.
9. Sedov L.I. Mekhanika sploshnoi sredy. Vol. 2. M.: Nauka, 1984, 560 p.

2013/3
Laboratory modeling of two-phase flows
Drilling and development of hydrocarbon fields

Authors: Nikolay A. BARYSHNIKOV was born in 1981, he graduated from Moscow Institute of Physics and Technology in 2005. He is senior researcher of the Laboratory of Geomechanics and Fluid Dynamics of the Institute of Geosphere Dynamics of the Russian Academy of Sciences. He is author of 16 scientific publications in the field of fluid mechanics of multiphase media. E-mail: nabarysh@gmail.com
Georgy V. BELYAKOV was born in 1936, he graduated from Moscow Institute of Physics and Technology in 1959. He is Candidate of Physical and Mathematical Sciences, senior researcher at Laboratory of Geomechanics and Fluid Dynamics of the Institute of Geosphere Dynamics of the Russian Academy of Sciences. He is author of over 50 scientific publications in the fields of rapid chemical processes and fluid mechanics of multiphase media. E-mail: nabarysh@gmail.com
Sergey В. TURUNTAEV was born in 1957. He graduated from Moscow Institute of Physics and Technology in 1981. He is Doctor of Physical and Mathematical Sciences, Deputy Director for Research of the Institute of Geosphere Dynamics of the Russian Academy of Sciences, Professor of the Department of Theoretical and Experimental Physics of Geosystems of Moscow Institute of Physics and Technology. He published over 110 scientific papers in the field of geomechanics and fluid dynamics. E-mail: s.turuntaev@gmail.com
Anatoly N. FILIPPOV was born in 1960. He graduated from Lomonosov Moscow State University in 1982. He is Doctor of Physical and Mathematical Sciences, Professor at the Department of Higher and Applied Mathematics at Gubkin Russian State University of Oil and Gas. He is author of more than 200 scientific papers in the field of physical and chemical mechanics and colloid chemistry. E-mail: filippov.a@gubkin.ru

Abstract: Experimental data on the changes in the distribution of displacing fluid saturation in the pore space of porous plane-parallel array filled with displaced fluid with greater viscosity are obtained. The mathematical model of instability of two-phase flow of displacement fluid in the form of fingers (fingers) is studied. The results of modeling are compared with experimental results.

Index UDK: 532.546

Keywords: two-phase flow, filtration, laboratory simulation, flooding, SaffmanTaylor instability

Bibliography:
1. Barenblatt G.I., Entov V.M., Ryzhik V.M. Dvizhenie zhidkostej i gazov v prirodnyh plastah. Moscow, 1984, 207 p.
2. Podzemnaja gidromehanika. K.S. Basniev, N.M. Dmitriev, R.D. Kanevskaja, V.M. Maksimov. Izhevsk, 2005, 496 p.
3. Chouke R.L., van Meurs P. and van der Poel C. Instability of Slow, Immiscible, Viscous Liquid-LiquidDisplacements in Permeable Media. Pet. Trans. A.I.M.E., 1959, no. 216, р. 188–194.
4.
Zheltov J.P. Mehanika neftegazonosnogo plasta. Moscow, 1975, 216 p.
5. Lejbenzon L.S. Dvizhenie prirodnyh zhidkostej i gazov v poristoj srede. Moscow, 1947, 244 p.
6. Leverett M.C. Flow of Oil-Water Mixtures through Unconsolidated Sands. Trans. A.I.M.E., 1939, no. 132, p. 381-401.
7. Muskat M. and M.W. Meres. The Flow of Heterogeneous Fluids Through Porous Media//Physics, 1936, no. 7, p. 346-363.
8.
Nikolaevskij V.N. Mehanika poristyh i treshhinovatyh sred. Moscow, 1984, 232 p.
9. Saffman P.G. and Sir Taylor G.I. The penetration of a fluid into a porous medium or Hele-Shaw cell containing a more viscous liquid. Proc. R. Soc. London, 1958. A245, p. 321-329.
10.
Saffman P.G. Viscous fingering in Hele-Shaw cells. J. Fluid Mech. 1986, no. 173, p. 73-94