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 Найдено в других БД:Каталог книг и продолжающихся изданий (11)Каталог препринтов УрО РАН (1975 г. - ) (1)Труды Института высокотемпературной электрохимии УрО РАН (36)Труды сотрудников Института органического синтеза УрО РАН (15)Труды сотрудников Института химии твердого тела УрО РАН (101)Расплавы (26)Публикации Черешнева В.А. (1)Публикации Чарушина В.Н. (2)
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Общее количество найденных документов : 84
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1.

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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2.

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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3.

Вид документа :
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G.
Заглавие : Experimental investigations of superheated and supercooled water (review of papers of the school of the academician V. P. Skripov)
Место публикации : NATO Science for Peace and Security Series A: Chemistry and Biology. - 2010. - С. 253-270
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): sound velocity--heavy water--superheating
Аннотация: The review presents the results of experimental investigations of nucleation in superheated light and heavy water in the range of nucleation rates from 104 to 1029 s−1m−3. A study is performed of the kinetics of crystallization of droplets of superheated water and amorphous water layers. Measurements have been made of the density, sound velocity, dielectric constant of light and heavy water in the vicinity of the phase equilibrium line with deep entry into the region of metastable (superheated) states. The local and integral characteristics of streams of boiling-up water flowing out into the atmosphere through a short channel have been investigated. One can see the determining role of a vapor phase in such a process at a temperature above 0.9T c , where T c is the temper-temperature at the critical point
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4.

Вид документа :
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G.
Заглавие : Experimental investigations of superheated and supercooled water (review of papers of the school of the academician V. P. Skripov)
Место публикации : NATO Science for Peace and Security Series A: Chemistry and Biology. - 2010. - С. 253-270
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): sound velocity--heavy water--superheating
Аннотация: The review presents the results of experimental investigations of nucleation in superheated light and heavy water in the range of nucleation rates from 104 to 1029 s−1m−3. A study is performed of the kinetics of crystallization of droplets of superheated water and amorphous water layers. Measurements have been made of the density, sound velocity, dielectric constant of light and heavy water in the vicinity of the phase equilibrium line with deep entry into the region of metastable (superheated) states. The local and integral characteristics of streams of boiling-up water flowing out into the atmosphere through a short channel have been investigated. One can see the determining role of a vapor phase in such a process at a temperature above 0.9T c , where T c is the temper-temperature at the critical point
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5.

Вид документа : Статья из журнала
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Boltachev G. Sh.
Заглавие : Extended version of the Van der Waals capillarity theory
Место публикации : Journal of Chemical Physics. - 2004. - Vol. 121, № 17. - С. 8594-8601
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): van-der-waals chain-molecule fluid
Аннотация: An extended version of the van der Waals capillarity theory describing the liguid-vapor interface in the temperature range from the triple to the critical point is suggested. A model functional of thermodynamic potential for a two-phase Lennard-Jones system taking into account the effect of the highest degree terms of gradient expansion has been constructed. The identity of the thermodynamic and the mechanical definition of Tolman’s length has been proved in the framework of the adopted form of functional. The properties of nuclei of the liquid and the vapor phase are described. The paper determines: the work of formation of a nucleus, density profiles, size dependences of the surface tension, and the parameter ? in the Gibbs-Tolman-Koenig-Buff equation.© 2004 American Institute of Physics.
\\\\Expert2\\NBO\\Journal of Chemical Physics\\2004, v.121, p.8594, V. G. Baidakov.pdf
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6.

Вид документа : Статья из журнала
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Boltachev G. Sh.
Заглавие : Extended version of the Van der Waals capillarity theory
Место публикации : Journal of Chemical Physics. - 2004. - Vol. 121, № 17. - С. 8594-8601
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): van-der-waals chain-molecule fluid
Аннотация: An extended version of the van der Waals capillarity theory describing the liguid-vapor interface in the temperature range from the triple to the critical point is suggested. A model functional of thermodynamic potential for a two-phase Lennard-Jones system taking into account the effect of the highest degree terms of gradient expansion has been constructed. The identity of the thermodynamic and the mechanical definition of Tolman’s length has been proved in the framework of the adopted form of functional. The properties of nuclei of the liquid and the vapor phase are described. The paper determines: the work of formation of a nucleus, density profiles, size dependences of the surface tension, and the parameter ? in the Gibbs-Tolman-Koenig-Buff equation.© 2004 American Institute of Physics.
\\\\Expert2\\NBO\\Journal of Chemical Physics\\2004, v.121, p.8594, V. G. Baidakov.pdf
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7.

Вид документа :
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Protsenko S.P., Gorbatovskaya G. G.
Заглавие : First correction to surface tension for the curvature of an interface
Место публикации : Colloid Journal (Translation of Kolloidnyi Zhurnal). - 2009. - Vol.71, №4. - С. 437-445
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): liquid-vapor interface--molecular dynamics--pressure tensor
Аннотация: Tolman parameter delta(T), which determines the first correction to surface tension for the interface curvature, is calculated in molecular-dynamic experiments performed for Lennard-Jones fluid within the temperature range from the critical to the triple point (and slightly below). It is shown that parameter delta(T) is positive and slightly depends on temperature; its absolute magnitude is no larger than 0.1-0.2 molecular diameters and does not coincide with the distance between the equimolecular dividing surface and the surface of tension in a flat interfacial layer, as calculated through the first moment of the pressure tensor. The results of the moleculardynamic experiments are compared with the delta(T) values calculated in terms of the extended version of the van der Waals theory of capillarity. It is established that taking into account terms of higher orders than the squared density gradient in the expansion of the free energy of an inhomogeneous system does not reverse the negative sign at delta(T) and slightly affects its value
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8.

Вид документа :
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Protsenko S.P., Gorbatovskaya G. G.
Заглавие : First correction to surface tension for the curvature of an interface
Место публикации : Colloid Journal (Translation of Kolloidnyi Zhurnal). - 2009. - Vol.71, №4. - С. 437-445
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): liquid-vapor interface--molecular dynamics--pressure tensor
Аннотация: Tolman parameter delta(T), which determines the first correction to surface tension for the interface curvature, is calculated in molecular-dynamic experiments performed for Lennard-Jones fluid within the temperature range from the critical to the triple point (and slightly below). It is shown that parameter delta(T) is positive and slightly depends on temperature; its absolute magnitude is no larger than 0.1-0.2 molecular diameters and does not coincide with the distance between the equimolecular dividing surface and the surface of tension in a flat interfacial layer, as calculated through the first moment of the pressure tensor. The results of the moleculardynamic experiments are compared with the delta(T) values calculated in terms of the extended version of the van der Waals theory of capillarity. It is established that taking into account terms of higher orders than the squared density gradient in the expansion of the free energy of an inhomogeneous system does not reverse the negative sign at delta(T) and slightly affects its value
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9.

Вид документа : Статья из журнала
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Boltachev G. Sh.
Заглавие : Inclusion of corrections of the highest order of smallness in the Van der Waals capillarity theory
Место публикации : High Temperature. - 2005. - Vol. 43, № 4. - С. 538-545
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): van-der-waals chain-molecule fluid
Аннотация: An extended version of the Van der Waals capillarity theory is suggested, which describes the liquid-vapor interface in the temperature range from the triple to critical point. A model functional of thermodynamic potential of a two-phase Lennard-Jones system is suggested, which takes into account the impact of higher terms of gradient expansion. The identity of the thermodynamic and mechanical definitions of the Tolman parameter is proved within the accepted form of the functional. The properties of the liquid and vapor phase nuclei are described. The work of nucleation, the density profiles, and the dimensional dependence of surface tension are determined.
\\\\Expert2\\NBO\\High Temperature\\2005, v.43, p.538.pdf
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10.

Вид документа : Статья из журнала
Шифр издания : 53/B 16
Автор(ы) : Baidakov V. G., Boltachev G. Sh.
Заглавие : Inclusion of corrections of the highest order of smallness in the Van der Waals capillarity theory
Место публикации : High Temperature. - 2005. - Vol. 43, № 4. - С. 538-545
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): van-der-waals chain-molecule fluid
Аннотация: An extended version of the Van der Waals capillarity theory is suggested, which describes the liquid-vapor interface in the temperature range from the triple to critical point. A model functional of thermodynamic potential of a two-phase Lennard-Jones system is suggested, which takes into account the impact of higher terms of gradient expansion. The identity of the thermodynamic and mechanical definitions of the Tolman parameter is proved within the accepted form of the functional. The properties of the liquid and vapor phase nuclei are described. The work of nucleation, the density profiles, and the dimensional dependence of surface tension are determined.
\\\\Expert2\\NBO\\High Temperature\\2005, v.43, p.538.pdf
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