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 Найдено в других БД:Каталог книг и продолжающихся изданий (54)Сводный каталог иностранных периодических изданий, имеющихся в библиотеках УрО РАН (8)Каталог препринтов УрО РАН (1975 г. - ) (4)Нанотехнологии (4)Труды Института высокотемпературной электрохимии УрО РАН (50)Труды сотрудников Института органического синтеза УрО РАН (38)Труды сотрудников Института химии твердого тела УрО РАН (108)Расплавы (43)Публикации Черешнева В.А. (1)Публикации Чарушина В.Н. (12)Каталог библиотеки ИЭРиЖ УрО РАН (5)
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Общее количество найденных документов : 250
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1.

Вид документа : Статья из журнала
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Kuvyrkin G. N.
Заглавие : An alternative method for the numerical solution of the integrodifferential heat-conduction equation
Место публикации : USSR Computational Mathematics and Mathematical Physics. - 1990. - Vol.30, №1. - С. 118-122
Примечания : Bibliogr. : p.
ББК : 53
Аннотация: An algorithm is developed using the finite-element method for calculating the temperature field in a bounded domain allowing for the finite rate of propagation of heat during pulsed surface heating. An accumulating finite element mesh is used in order to remove the oscillations in the solution behind the temperature wave front. An investigation of the error in the calculations enables a rational approach to be taken to the choice of parameters in the integration scheme. Calculations of the propagation and reflection of the temperature waves due to pulsed surface charging are presented
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2.

Вид документа : Статья из журнала
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Kuvyrkin G. N.
Заглавие : An alternative method for the numerical solution of the integrodifferential heat-conduction equation
Место публикации : USSR Computational Mathematics and Mathematical Physics. - 1990. - Vol.30, №1. - С. 118-122
Примечания : Bibliogr. : p.
ББК : 53
Аннотация: An algorithm is developed using the finite-element method for calculating the temperature field in a bounded domain allowing for the finite rate of propagation of heat during pulsed surface heating. An accumulating finite element mesh is used in order to remove the oscillations in the solution behind the temperature wave front. An investigation of the error in the calculations enables a rational approach to be taken to the choice of parameters in the integration scheme. Calculations of the propagation and reflection of the temperature waves due to pulsed surface charging are presented
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3.

Вид документа :
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G.
Заглавие : Attainable superheating of solutions of cryogenic liquids
Место публикации : Journal of Engineering Thermophysics. - 2007. - Vol.16, №3. - С. 109-118
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): boiling-up--cryogenic liquids --kramers-zeldovich method
Аннотация: The kinetics of spontaneous boiling-up of superheated binary solutions of cryogenic liquids is studied. Within the framework of the Kramers-Zeldovich method, an expression is obtained for the steady state rate of homogeneous nucleation in a solution that takes into account free-molecular and diffusion regimes of the substance supply to a growing bubble. Viscous and inertial forces are also taken into account in the study of the nucleus growth dynamics. The work of critical nucleus formation is determined within the framework of the Gibbs and van der Waals capillarity theories. The dependence of the surface tension of critical bubbles in the solution on their size is investigated. The temperature of attainable superheating and nucleation rates in superheated solutions of cryogenic liquids with complete or partial solubility of the components are determined by a method of lifetime measurement. The experiments were conducted in a wide range of pressures and solution concentrations. The measurement results are compared with the theory of homogeneous nucleation taking or not taking into account the size effect in nucleation. It has been found that, by taking into account the size dependence of the surface tension of a nucleus, better agreement between the theory and experiment is obtained. The boundary of essential instability of the solution, that is, the diffusion spinodal, is computed
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4.

Вид документа :
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G.
Заглавие : Attainable superheating of solutions of cryogenic liquids
Место публикации : Journal of Engineering Thermophysics. - 2007. - Vol.16, №3. - С. 109-118
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): boiling-up--cryogenic liquids --kramers-zeldovich method
Аннотация: The kinetics of spontaneous boiling-up of superheated binary solutions of cryogenic liquids is studied. Within the framework of the Kramers-Zeldovich method, an expression is obtained for the steady state rate of homogeneous nucleation in a solution that takes into account free-molecular and diffusion regimes of the substance supply to a growing bubble. Viscous and inertial forces are also taken into account in the study of the nucleus growth dynamics. The work of critical nucleus formation is determined within the framework of the Gibbs and van der Waals capillarity theories. The dependence of the surface tension of critical bubbles in the solution on their size is investigated. The temperature of attainable superheating and nucleation rates in superheated solutions of cryogenic liquids with complete or partial solubility of the components are determined by a method of lifetime measurement. The experiments were conducted in a wide range of pressures and solution concentrations. The measurement results are compared with the theory of homogeneous nucleation taking or not taking into account the size effect in nucleation. It has been found that, by taking into account the size dependence of the surface tension of a nucleus, better agreement between the theory and experiment is obtained. The boundary of essential instability of the solution, that is, the diffusion spinodal, is computed
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5.

Вид документа : Статья из журнала
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Grishina K. A.
Заглавие : Capillary constant and surface tension of methane-helium solution
Место публикации : Fluid Phase Equilibria. - 2013. - Vol.354. - С. 245-249
Примечания : Bibliogr. : p. 249 (21 ref.)
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): adsorption--capillary constant--differential capillary method
Аннотация: The differential capillary method has been used to measure the capillary constant a2 of methane-helium solutions in the temperature range from 95 to 175K at pressures up to 4MPa. The surface tension γ and adsorption have been calculated from the obtained values of a2 employing, in addition, literature data on the density of the liquid and vapor phases of the respective solutions. Equations, which approximate the temperature, pressure and concentration dependences of a2 and γ, are proposed
\\\\expert2\\NBO\\Fluid Phase Equilibria\\2013, v.354, p. 245-249.pdf
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6.

Вид документа : Статья из журнала
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Grishina K. A.
Заглавие : Capillary constant and surface tension of methane-helium solution
Место публикации : Fluid Phase Equilibria. - 2013. - Vol.354. - С. 245-249
Примечания : Bibliogr. : p. 249 (21 ref.)
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): adsorption--capillary constant--differential capillary method
Аннотация: The differential capillary method has been used to measure the capillary constant a2 of methane-helium solutions in the temperature range from 95 to 175K at pressures up to 4MPa. The surface tension γ and adsorption have been calculated from the obtained values of a2 employing, in addition, literature data on the density of the liquid and vapor phases of the respective solutions. Equations, which approximate the temperature, pressure and concentration dependences of a2 and γ, are proposed
\\\\expert2\\NBO\\Fluid Phase Equilibria\\2013, v.354, p. 245-249.pdf
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7.

Вид документа :
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Kaverin A. M.
Заглавие : Capillary constant and the surface tension for nitrogen-helium solutions
Место публикации : Russian Journal of Physical Chemistry A. - 2004. - Vol.78, №6. - С. 1000-1002
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): liquid--helium--nitrogen
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8.

Вид документа :
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Kaverin A. M.
Заглавие : Capillary constant and the surface tension for nitrogen-helium solutions
Место публикации : Russian Journal of Physical Chemistry A. - 2004. - Vol.78, №6. - С. 1000-1002
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): liquid--helium--nitrogen
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9.

Вид документа :
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Boltachev G. Sh., Schmelzer J. W. P.
Заглавие : Comparison of Different Approaches to the Determination of the Work of Critical Cluster Formation
Место публикации : Journal of Colloid and Interface Sience. - 2000. - Vol. 231, № 2. - С. 312-321
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): critical cluster --gibbs' method--nucleation rates
Аннотация: A comparative analysis of the results of determination of the work of critical cluster formation in nucleation theory for three different methods of evaluation—Gibbs' method, the van der Waals-Cahn and Hilliard, and a newly developed modified Gibbs' approach—is given. As a model system for comparison, regular solutions are chosen. In addition to the work of critical cluster formation, the composition of the critical clusters, their characteristic sizes and the values of the surface tension are determined in dependence on the initial supersaturation in the system or, equivalently, on the size of the critical clusters. It is found, in particular, that, for regular solutions, Tolman's equation cannot serve as a first approximation for the description of the curvature dependence of the surface tension even for large cluster sizes and an alternative formula is developed. It is shown that the latter two mentioned methods of determination of the work of critical cluster formation (the van der Waals-Cahn and Hilliard and the modified Gibbs' approach) lead—at least for the model system considered—to qualitatively and partly quantitatively equivalent results. Nevertheless, differences remain which may lead to quantitative deviations when applied to the determination of the steady-state nucleation rates. The possible origin of such deviations is discussed and some further directions of analysis are anticipated
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10.

Вид документа :
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Boltachev G. Sh., Schmelzer J. W. P.
Заглавие : Comparison of Different Approaches to the Determination of the Work of Critical Cluster Formation
Место публикации : Journal of Colloid and Interface Sience. - 2000. - Vol. 231, № 2. - С. 312-321
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): critical cluster --gibbs' method--nucleation rates
Аннотация: A comparative analysis of the results of determination of the work of critical cluster formation in nucleation theory for three different methods of evaluation—Gibbs' method, the van der Waals-Cahn and Hilliard, and a newly developed modified Gibbs' approach—is given. As a model system for comparison, regular solutions are chosen. In addition to the work of critical cluster formation, the composition of the critical clusters, their characteristic sizes and the values of the surface tension are determined in dependence on the initial supersaturation in the system or, equivalently, on the size of the critical clusters. It is found, in particular, that, for regular solutions, Tolman's equation cannot serve as a first approximation for the description of the curvature dependence of the surface tension even for large cluster sizes and an alternative formula is developed. It is shown that the latter two mentioned methods of determination of the work of critical cluster formation (the van der Waals-Cahn and Hilliard and the modified Gibbs' approach) lead—at least for the model system considered—to qualitatively and partly quantitatively equivalent results. Nevertheless, differences remain which may lead to quantitative deviations when applied to the determination of the steady-state nucleation rates. The possible origin of such deviations is discussed and some further directions of analysis are anticipated
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