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1.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    Transport coefficients and the spinodal of a fluid [Electronic resource] / V. G. Baidakov // Physical Review E: Statistical, Nonlinear, and Soft Matter Physics. - 2012. - Vol.86, №2. - P021201
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
COMPUTER SIMULATION -- TRANSPORT COEFFICIENTS -- LENNARD-JONES
Аннотация: Based on the results of computer simulation of transport coefficients in a Lennard-Jones fluid, it has been shown that in (p,T) coordinates, lines of constant values of coefficients of self-diffusion D and excess shear viscosity Δη extended into the region of superheated liquid and supersaturated vapor have an envelope. Each of the ensembles of such lines is divided into two parts by a critical isoline, where the conditions ϕ=ϕc=const (ϕ=D,Δη) are fulfilled. One part of this ensemble has as an envelope the branch of the spinodal that refers to superheated liquid; the other part has the branch of the spinodal of supersaturated vapor. The critical point of liquid-vapor equilibrium is the cusp of the spinodal, at which the critical isolines have a common tangent line with the spinodal and the binodal. Thus, at the approach to the spinodal, the relations (∂D/∂p)T→∞ and (∂Δη/∂p)T→∞ hold

\\\\Expert2\\nbo\\Physical Review E\\2012, v. 86, p.021201.pdf
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2.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    Transport coefficients and the spinodal of a fluid [Electronic resource] / V. G. Baidakov // Physical Review E: Statistical, Nonlinear, and Soft Matter Physics. - 2012. - Vol.86, №2. - P021201
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
COMPUTER SIMULATION -- TRANSPORT COEFFICIENTS -- LENNARD-JONES
Аннотация: Based on the results of computer simulation of transport coefficients in a Lennard-Jones fluid, it has been shown that in (p,T) coordinates, lines of constant values of coefficients of self-diffusion D and excess shear viscosity Δη extended into the region of superheated liquid and supersaturated vapor have an envelope. Each of the ensembles of such lines is divided into two parts by a critical isoline, where the conditions ϕ=ϕc=const (ϕ=D,Δη) are fulfilled. One part of this ensemble has as an envelope the branch of the spinodal that refers to superheated liquid; the other part has the branch of the spinodal of supersaturated vapor. The critical point of liquid-vapor equilibrium is the cusp of the spinodal, at which the critical isolines have a common tangent line with the spinodal and the binodal. Thus, at the approach to the spinodal, the relations (∂D/∂p)T→∞ and (∂Δη/∂p)T→∞ hold

\\\\Expert2\\nbo\\Physical Review E\\2012, v. 86, p.021201.pdf
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3.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    Thermal and caloric equations of state for stable and metastable Lennard-Jones fluids. I. Molecular-dynamics simulations [Electronic resource] / V. G. Baidakov, S. P. Protsenko, Z. R. Kozlova // Fluid Phase Equilibria. - 2008. - Vol. 263, № 1. - P55-63
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
EQUATION OF STATE -- COMPUTER SIMULATION -- LENNARD-JONES FLUID -- METASTABLE PHASES -- SPINODALS
Аннотация: The method of molecular dynamics has been used to calculate the pressure, internal energy and isochoric heat capacity of the Lennard–Jones fluid for 208 states in the range of temperatures 0.35 kBT 2.0 and densities 0.001 1.2. The array of data obtained, along with stable states, includes homogeneous metastable states (supersaturated vapor, superheated and supercooled liquid). Spinodals of supersaturated vapor and superheated liquid have been approximated. In a stable region the data obtained are compared with the results of previous papers. The behavior of thermodynamic properties of the fluid in the event of homogeneity disturbance and formation of micro-heterogeneous (“two-phase”) states has been considered.

\\\\Expert2\\nbo\\Fluid Phase Equilibria\\2008, v.263, p.55.pdf
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4.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    Thermal and caloric equations of state for stable and metastable Lennard-Jones fluids. I. Molecular-dynamics simulations [Electronic resource] / V. G. Baidakov, S. P. Protsenko, Z. R. Kozlova // Fluid Phase Equilibria. - 2008. - Vol. 263, № 1. - P55-63
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
EQUATION OF STATE -- COMPUTER SIMULATION -- LENNARD-JONES FLUID -- METASTABLE PHASES -- SPINODALS
Аннотация: The method of molecular dynamics has been used to calculate the pressure, internal energy and isochoric heat capacity of the Lennard–Jones fluid for 208 states in the range of temperatures 0.35 kBT 2.0 and densities 0.001 1.2. The array of data obtained, along with stable states, includes homogeneous metastable states (supersaturated vapor, superheated and supercooled liquid). Spinodals of supersaturated vapor and superheated liquid have been approximated. In a stable region the data obtained are compared with the results of previous papers. The behavior of thermodynamic properties of the fluid in the event of homogeneity disturbance and formation of micro-heterogeneous (“two-phase”) states has been considered.

\\\\Expert2\\nbo\\Fluid Phase Equilibria\\2008, v.263, p.55.pdf
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5.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    The self-diffusion coefficient in stable and metastable states of the Lennard-Jones fluid [Electronic resource] / V. G. Baidakov, S. P. Protsenko, Z. R. Kozlova // Fluid Phase Equilibria. - 2011. - Vol. 305, № 2. - P106-113
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
LENNARD-JONES FLUID -- VAPOR -- SUPERHEATED LIQUIDS
Аннотация: Molecular-dynamics simulations have been employed to calculate the self-diffusion coefficient of a Lennard-Jones fluid for 198 sets of state parameters in the range of temperatures 0.35 <= k(B)T/epsilon <= 2.0 and densities 0.005 <= rho sigma(3) <= 1.2. Calculations have been made in stable and metastable states to the boundary of spontaneous nucleation in a model containing 2048 interacting particles. Results of computations, performed in the parameter range of stable states, are compared with the results of previous papers. Equations have been formulated, which describe the dependences of the self-diffusion coefficient on temperature and density and on temperature and pressure in the whole range of parameters including both the stable and metastable (supersaturated vapor, superheated and supercooled liquid) states of fluid

\\\\Expert2\\nbo\\Fluid Phase Equilibria\\2011, v.305, p. 106-113.pdf
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6.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    The self-diffusion coefficient in stable and metastable states of the Lennard-Jones fluid [Electronic resource] / V. G. Baidakov, S. P. Protsenko, Z. R. Kozlova // Fluid Phase Equilibria. - 2011. - Vol. 305, № 2. - P106-113
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
LENNARD-JONES FLUID -- VAPOR -- SUPERHEATED LIQUIDS
Аннотация: Molecular-dynamics simulations have been employed to calculate the self-diffusion coefficient of a Lennard-Jones fluid for 198 sets of state parameters in the range of temperatures 0.35 <= k(B)T/epsilon <= 2.0 and densities 0.005 <= rho sigma(3) <= 1.2. Calculations have been made in stable and metastable states to the boundary of spontaneous nucleation in a model containing 2048 interacting particles. Results of computations, performed in the parameter range of stable states, are compared with the results of previous papers. Equations have been formulated, which describe the dependences of the self-diffusion coefficient on temperature and density and on temperature and pressure in the whole range of parameters including both the stable and metastable (supersaturated vapor, superheated and supercooled liquid) states of fluid

\\\\Expert2\\nbo\\Fluid Phase Equilibria\\2011, v.305, p. 106-113.pdf
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7.
Инвентарный номер: нет.
   
   B 74

    Boltachev, G. Sh.
    The Second and Third Virial Coefficients of Simple Fluids [Electronic resource] / G. Sh. Boltachev, V. G. Baidakov // High Temperature. - 2006. - Vol. 44, № 1. - P83-90
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
FLUID CONDITION
Аннотация: The asymptotic behavior of the second B and third C virial coefficients in the low temperature region is analyzed for fluids with a spherical pair-additive potential of interparticle interaction. The temperature dependences B( T) and C( T) are approximated by expressions which convey correctly the behavior of the virial coefficients in the low-and high-temperature limits. The free parameters of approximation formulas for pure nitrogen, argon, and oxygen are determined. The derived virial equations of state are used to calculate the limit of significant instability of the gas phase in a wide temperature range.

\\\\Expert2\\NBO\\High Temperature\\2006, v.44, p.83.pdf
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8.
Инвентарный номер: нет.
   
   B 74

    Boltachev, G. Sh.
    The Second and Third Virial Coefficients of Simple Fluids [Electronic resource] / G. Sh. Boltachev, V. G. Baidakov // High Temperature. - 2006. - Vol. 44, № 1. - P83-90
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
FLUID CONDITION
Аннотация: The asymptotic behavior of the second B and third C virial coefficients in the low temperature region is analyzed for fluids with a spherical pair-additive potential of interparticle interaction. The temperature dependences B( T) and C( T) are approximated by expressions which convey correctly the behavior of the virial coefficients in the low-and high-temperature limits. The free parameters of approximation formulas for pure nitrogen, argon, and oxygen are determined. The derived virial equations of state are used to calculate the limit of significant instability of the gas phase in a wide temperature range.

\\\\Expert2\\NBO\\High Temperature\\2006, v.44, p.83.pdf
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9.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    The liquid-gas interface of oxygen-nitrogen solutions 2: Description in the Framework of the van der Waals gradient theory [Electronic resource] / V. G. Baidakov, V. N. Andbaeva // Fluid Phase Equilibria. - 2009. - Vol.286, №2. - P175-181
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SURFACE TENSION -- GRADIENT THEORY -- DENSITY PROFILE
Аннотация: The van der Waals gradient theory (vdW GT) is used to calculate surface tension, density profiles, adsorption, the Tolman length and to determine the position of dividing surfaces in the liquid-gas interface of an oxygen-nitrogen solution. The Helmholtz energy density (HED) is determined via an equation of state (EOS), unified for a liquid and gas, which describes stable. metastable and two-phase states of solutions. The influence parameters are calculated from data on the surface tension of pure components with the use of the mixing rule. At temperatures T > 100 K the vdW GT describes experimental data on the surface tension of oxygen-nitrogen solutions [V.G. Baidakov, A.M. Kaverin, V.N. Andbaeva, The liquid-gas interface of oxygen-nitrogen solutions: 1. Surface tension, Fluid Phase Equilib. 270 (2008) 116-120] within the experimental error. It is shown that the Tolman length, which determines the dependence of surface tension on the curvature of the dividing surface, depends considerably on the solution concentration

\\\\Expert2\\nbo\\Fluid Phase Equilibria\\2008, v.286, p.175-181.pdf
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10.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    The liquid-gas interface of oxygen-nitrogen solutions 2: Description in the Framework of the van der Waals gradient theory [Electronic resource] / V. G. Baidakov, V. N. Andbaeva // Fluid Phase Equilibria. - 2009. - Vol.286, №2. - P175-181
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SURFACE TENSION -- GRADIENT THEORY -- DENSITY PROFILE
Аннотация: The van der Waals gradient theory (vdW GT) is used to calculate surface tension, density profiles, adsorption, the Tolman length and to determine the position of dividing surfaces in the liquid-gas interface of an oxygen-nitrogen solution. The Helmholtz energy density (HED) is determined via an equation of state (EOS), unified for a liquid and gas, which describes stable. metastable and two-phase states of solutions. The influence parameters are calculated from data on the surface tension of pure components with the use of the mixing rule. At temperatures T > 100 K the vdW GT describes experimental data on the surface tension of oxygen-nitrogen solutions [V.G. Baidakov, A.M. Kaverin, V.N. Andbaeva, The liquid-gas interface of oxygen-nitrogen solutions: 1. Surface tension, Fluid Phase Equilib. 270 (2008) 116-120] within the experimental error. It is shown that the Tolman length, which determines the dependence of surface tension on the curvature of the dividing surface, depends considerably on the solution concentration

\\\\Expert2\\nbo\\Fluid Phase Equilibria\\2008, v.286, p.175-181.pdf
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