Search Results - "Sabelnikov, A. V."

Speed selection for traveling-wave solutions to the diffusion-reaction equation with cubic reaction term and Burgers nonlinear convection by Sabelnikov, V A, Lipatnikov, A N

“…The problem of traveling wave (TW) speed selection for solutions to a generalized Murray-Burgers-KPP-Fisher parabolic equation with a strictly positive cubic…”
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A DNS Study of Closure Relations for Convection Flux Term in Transport Equation for Mean Reaction Rate in Turbulent Flow by Lipatnikov, A. N., Sabelnikov, V. A., Chakraborty, N., Nishiki, S., Hasegawa, T.

“…The present work aims at modeling the entire convection flux ρ u W ¯ in the transport equation for a mean reaction rate ρW ¯ in a turbulent flow, which…”
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Influence of Thermal Expansion on Potential and Rotational Components of Turbulent Velocity Field Within and Upstream of Premixed Flame Brush by Lipatnikov, A. N., Sabelnikov, V. A., Nikitin, N. V., Nishiki, S., Hasegawa, T.

“…Direct Numerical Simulation (DNS) data obtained earlier from two statistically stationary, 1D, planar, weakly turbulent premixed flames are analyzed in order…”
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Prediction of mean radical concentrations in lean hydrogen-air turbulent flames at different Karlovitz numbers adopting a newly extended flamelet-based presumed PDF by Lipatnikov, A.N., Sabelnikov, V.A., Hernández-Pérez, F.E., Song, W., Im, Hong G.

“…A recent analysis (Lipatnikov et al., 2020) of complex-chemistry direct numerical simulation (DNS) data obtained from lean hydrogen-air flames associated with…”
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Thin reaction zones in highly turbulent medium by Sabelnikov, V.A., Yu, R., Lipatnikov, A.N.

“…•A new physical scenario of the influence of turbulence on reaction waves is studied.•A relevant theory is developed.•The theory is validated using direct…”
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DNS Assessment of a Simple Model for Evaluating Velocity Conditioned to Unburned Gas in Premixed Turbulent Flames by Lipatnikov, A. N., Sabelnikov, V. A., Nishiki, S., Hasegawa, T., Chakraborty, N.

“…Recently, a simple model for evaluating turbulent scalar flux in premixed flames was developed and validated using six experimental data sets obtained from…”
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Transient combustion phenomena in high-speed flows in ducts by Vlasenko, V. V., Sabelnikov, V. A., Molev, S. S., Voloshchenko, O. V., Ivankin, M. A., Frolov, S. M.

“…The problem of combustion stabilization in a duct with supersonic flow at the entrance is studied by means of numerical simulation, with the use of…”
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Transition from pulled to pushed premixed turbulent flames due to countergradient transport by Sabelnikov, V.A., Lipatnikov, A.N.

“…The influence of countergradient transport on the speed of a statistically stationary, planar, 1D premixed flame that propagates in frozen turbulence is…”
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Assessment of a transport equation for mean reaction rate using DNS data obtained from highly unsteady premixed turbulent flames by Lipatnikov, A.N., Sabelnikov, V.A., Poludnenko, A.Y.

“…•Newly introduced approach to modeling mean heat-release rate in flames is validated.•The approach works in flamelet and thin-reaction-zone regimes of…”
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Towards an Extension of TFC Model of Premixed Turbulent Combustion by Sabelnikov, V. A., Lipatnikov, A. N.

“…In order to determine the mean rate of product creation within the framework of the Turbulent Flame Closure (TFC) model of premixed combustion, the model is…”
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Transition from Countergradient to Gradient Scalar Transport in Developing Premixed Turbulent Flames by Lipatnikov, A. N., Sabelnikov, V. A.

“…A simple model of turbulent scalar flux developed recently by the present authors is applied to determine the direction of the flux in a statistically planar…”
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Interaction of elemental mercury with selenium surfaces: model experiments for investigations of superheavy elements copernicium and flerovium by Chiera, N. M., Aksenov, N. V., Albin, Y. V., Bozhikov, G. A., Chepigin, V. I., Dmitriev, S. N., Dressler, R., Eichler, R., Lebedev, V. Ya, Madumarov, A., Malyshev, O. N., Piguet, D., Popov, Y. A., Sabelnikov, A. V., Steinegger, P., Svirikhin, A. I., Türler, A., Vostokin, G. K., Vögele, A., Yeremin, A. V.

“…The adsorption behavior of 197 Hg and 183–185 Hg on red amorphous selenium (red a-Se) and trigonal selenium (t-Se) was investigated experimentally by off-line…”
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Synthesizing and Studying Superheavy Nuclei 294Ts and 294Og by Voinov, A. A., Utyonkov, V. K., Oganessian, Yu. Ts, Abdullin, F. Sh, Polyakov, A. N., Tsyganov, Yu. S., Shirokovsky, I. V., Sagaidak, R. N., Subbotin, V. G., Dmitriev, S. N., Itkis, M. G., Shumeiko, M. V., Kovrizhnykh, N. D., Sabelnikov, A. V., Vostokin, G. K.

“…Experimental works performed on the Dubna gas-filled magnetic recoil separator (GFS) to study the reactions of formation of 294 Ts and 294 Og nuclides and the…”
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A Simple Model for Evaluating Conditioned Velocities in Premixed Turbulent Flames by Sabel'nikov, V. A., Lipatnikov, A. N.

“…A simple model is proposed to evaluate (a) the divergence of velocity vector conditioned on unburned mixture, and (b) the vector component normal to the mean…”
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Determination of the Burning Velocity Domain of a Statistically Stationary Turbulent Premixed Flame in Presence of Counter-Gradient Transport by Sabel'nikov, Vladimir A., Bruel, P.

“…The present study aims at providing a complete picture of the various propagation scenarios that a statistically stationary turbulent premixed flame may…”
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Transition from turbulence-dominated to instability-dominated combustion regime in lean hydrogen-air flames by Lipatnikov, Andrei N., Lee, HsuChew, Dai, Peng, Wan, Minping, Sabelnikov, Vladimir A.

“…To explore the importance of thermodiffusive and hydrodynamic instabilities of laminar flames in turbulent flows, previously generated direct numerical…”
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Evaluation of mean species mass fractions in premixed turbulent flames: A DNS study by Lipatnikov, A.N., Sabelnikov, V.A.

“…Direct Numerical Simulation (DNS) data obtained by Dave and Chaudhuri (2020) from a lean, complex-chemistry, hydrogen-air flame associated with the…”
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Erratum to: Study of the 242Pu + 48Ca Reaction at Super Heavy Element Factory by Ibadullayev, D., Utyonkov, V. K., Oganessian, Yu. Ts, Abdullin, F. Sh, Dmitriev, S. N., Itkis, M. G., Karpov, A. V., Kovrizhnykh, N. D., Kuznetsov, D. A., Petrushkin, O. V., Podshibiakin, A. V., Polyakov, A. N., Popeko, A. G., Sagaidak, R. N., Schlattauer, L., Shubin, V. D., Shumeiko, M. V., Solovyev, D. I., Tsyganov, Yu. S., Voinov, A. A., Subbotin, V. G., Bodrov, A. Yu, Sabel’nikov, A. V., Giniyatova, Sh. G., Kuterbekov, K. A.

“…An Erratum to this paper has been published: https://doi.org/10.1134/S1062873824010015…”
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Solenoidal and potential velocity fields in weakly turbulent premixed flames by Sabelnikov, Vladimir A., Lipatnikov, Andrei N., Nikitin, Nikolay, Nishiki, Shinnosuke, Hasegawa, Tatsuya

“…Direct Numerical Simulation data obtained earlier from two statistically 1D, planar, fully-developed, weakly turbulent, single-step-chemistry, premixed flames…”
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Application of Helmholtz-Hodge decomposition and conditioned structure functions to exploring influence of premixed combustion on turbulence upstream of the flame by Sabelnikov, Vladimir A., Lipatnikov, Andrei N., Nikitin, Nikolay, Nishiki, Shinnosuke, Hasegawa, Tatsuya

“…In order to explore the influence of combustion-induced thermal expansion on turbulence, a new research method is introduced. The method consists in jointly…”
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