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Molecular dynamics simulation of graphite melting
Pleiades Publishing Ltd - Tập 52 - Trang 198-204 - 2014
N. D. Orekhov, V. V. Stegailov
Questions on the behavior of the graphite melting curve have remained open during the last fifty years. The process of graphite melting in the pressure range of 2–14 GPa is investigated by the method of molecular dynamics using the model of reactive interatomic potential; the dynamics of melting-front propagation upon crystal superheating is considered, and the melting curve is plotted. The self-d...... hiện toàn bộ
Influence of Phase Transitions on the Propagation of Acoustic Waves in Multifractional Gas Suspensions with Polydispersed Inclusions
Pleiades Publishing Ltd - Tập 59 - Trang 121-127 - 2022
D. A. Gubaidullin, R. R. Zaripov
The propagation of acoustic waves in multifraction mixtures of gas with vapor, drops, and solid particles is studied with allowance for interphase mass transfer. The dispersed phase consists of M + 1 fractions with different sizes of inclusions and distribution functions of inclusions by size and material. A system of integro-differential equations of the motion of a multifraction polydisperse mix...... hiện toàn bộ
The behavior of some thermodynamic characteristics of single-component substance in the region defined by the line of liquid-vapor equilibrium
Pleiades Publishing Ltd - Tập 46 - Trang 345-349 - 2008
A. B. Kaplun, A. B. Meshalkin
Thermodynamic analysis is performed of the behavior of a number of thermodynamic characteristics of single-component substance under conditions of hypothetical continuous liquid-vapor phase transition. It is demonstrated that the internal energy and enthalpy in passing the spinodal exhibit on isotherms no special features depending on volume; and the isochoric heat capacity on the entire thermodyn...... hiện toàn bộ
Transverse Electric Discharges in Supersonic Air Flows: Mechanisms of Discharge Propagation and Instability
Pleiades Publishing Ltd - Tập 42 - Trang 516-522 - 2004
A. P. Ershov, O. S. Surkont, I. B. Timofeev, V. M. Shibkov, V. A. Chernikov
High-speed photographic recording is used to study the propagation dynamics of a pulsed transverse discharge in supersonic jets. It is demonstrated that, rather than destroying the discharge channel, the flow causes it to drift and defines the rate of propagation and, accordingly, the configuration of the discharge channel. Because a transverse discharge always has a channel part perpendicular to ...... hiện toàn bộ
The Effect of Thermal Decomposition on the Performance of Polymer Heat-Shielding Materials
Pleiades Publishing Ltd - Tập 42 - Trang 308-313 - 2004
A. A. Koptelov
Results are given of numerical simulation of the heating of decomposing polymer-based composite materials in a high-temperature gas flow. Numerical estimates are obtained of the effect of the thermodynamic and kinetic parameters of the process of decomposition on the calculated values of the minimal required thickness of polymer heat-shielding coatings, determined from the condition of attaining t...... hiện toàn bộ
An Experimental Investigation of the Density of Bismuth in the Condensed State in a Wide Temperature Range
Pleiades Publishing Ltd - Tập 43 - Trang 368-378 - 2005
S. V. Stankus, R. A. Khairulin, A. G. Mozgovoi, V. V. Roshchupkin, M. A. Pokrasin
The method of radioactive gamma-raying is used to investigate the density of bismuth in the condensed state at temperatures from 337 to 1505 K. The purity of investigated metal is >99.99% by mass. The confidence error of measurements does not exceed 0.4%. The experimental results are used to provide recommended reference data on the density of solid and liquid bismuth in the range from room temper...... hiện toàn bộ
Thermal Decomposition of Medical Wastes in a Fixed-Bed Pyrolysis Reactor
Pleiades Publishing Ltd - Tập 60 Số 1 - Trang 104-112 - 2022
В. В. Хасхачих, G. Ya. Gerasimov, V. F. Kornil’eva
The optical properties of vapors of matter of cosmic bodies invading the Earth atmosphere
Pleiades Publishing Ltd - - 2009
I. B. Kosarev
Femtosecond Laser Technology for Solid-State Material Processing: Creation of Functional Surfaces and Selective Modification of Nanoscale Layers
Pleiades Publishing Ltd - Tập 56 - Trang 587-604 - 2018
S. A. Romashevskiy, S. I. Ashitkov, M. B. Agranat
Information on the rapidly increasing use of modification of solid-state materials surfaces by femtosecond laser pulses at moderate intensities (around 0.1–10 TW/cm2) is presented as applied to creation of functional surfaces with tailored thermophysical, hydrodynamic, and mechanical properties and in application to selective modification and removal of nanoscale (1–100 nm) layers of bulk and thin...... hiện toàn bộ
Molecular Dynamics Simulations of Heterogeneous Nucleation in Liquid Argon in the Presence of Solid Particle
Pleiades Publishing Ltd - Tập 56 - Trang 833-835 - 2018
V. L. Malyshev, E. F. Moiseeva
Heterogeneous nucleation in extended states of liquid argon with a solid particle is studied with molecular dynamics methods. The rupture strength of cavitation in the liquid is determined as a function of the energy of interaction between molecules of liquid and those of solid inclusion. The influence of solid particle sizes on the nucleation process is explored.
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