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Общее количество найденных документов : 90
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1.

Вид документа : Статья из журнала
Шифр издания : 53/B 29
Автор(ы) : Bashkatov N.V., Bebenina T.A., Ermakov G.V.
Заглавие : Application of the Theory of Thermodynamic Similarity to Construction of the Equation of State for an Overheated Liquid
Место публикации : Zhurnal Fizicheskoi Khimii. - 1982. - V.56, Is.8. - С. 2071-2074
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): theory of thermodynamic similarity--similarity thermodynamic--equation of state--liquid overheated
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2.

Вид документа : Статья из журнала
Шифр издания : 53/B 29
Автор(ы) : Bashkatov N.V., Bebenina T.A., Ermakov G.V.
Заглавие : Application of the Theory of Thermodynamic Similarity to Construction of the Equation of State for an Overheated Liquid
Место публикации : Zhurnal Fizicheskoi Khimii. - 1982. - V.56, Is.8. - С. 2071-2074
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): theory of thermodynamic similarity--similarity thermodynamic--equation of state--liquid overheated
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3.

Вид документа : Статья из журнала
Шифр издания : 53/C 73
Автор(ы) : Gurashkin A. L, Starostin A.A., Ermakov G. V., Skripov P. V.
Заглавие : Communication: high speed optical investigations of a character of boiling-up onset
Место публикации : Journal of Chemical Physics. - 2012. - Vol.136, №2. - С. 021102
Примечания : Bibliogr. : p.
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): boiling--heat trahsfer--micro-optics
Аннотация: In this communication, we discuss the phenomenon of attainable superheat of liquid and the peculiarities of its release by spontaneous boiling-up. We have combined the apparatus for superheating, namely, bubble chamber, with a high speed micro-optical method for detailed monitoring of the initial stage of boiling-up. In experiments on the isothermal pressure drop, it was found that the boiling-up onset of n-hexane is accompanied by characteristic step signal. The signal has proved to be typical of the heterogeneous character of boiling-up onset in a whole range of superheating degrees. The performance of the method for investigation of the refractive index and density for superheated liquids as functions of temperature and pressure has been revealed. The experimental error is estimated to be 0.1%.
\\\\expert2\\NBO\\Journal of Chemical Physics\\2012, V.136, p.021102.pdf
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4.

Вид документа : Статья из журнала
Шифр издания : 53/C 73
Автор(ы) : Gurashkin A. L, Starostin A.A., Ermakov G. V., Skripov P. V.
Заглавие : Communication: high speed optical investigations of a character of boiling-up onset
Место публикации : Journal of Chemical Physics. - 2012. - Vol.136, №2. - С. 021102
Примечания : Bibliogr. : p.
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): boiling--heat trahsfer--micro-optics
Аннотация: In this communication, we discuss the phenomenon of attainable superheat of liquid and the peculiarities of its release by spontaneous boiling-up. We have combined the apparatus for superheating, namely, bubble chamber, with a high speed micro-optical method for detailed monitoring of the initial stage of boiling-up. In experiments on the isothermal pressure drop, it was found that the boiling-up onset of n-hexane is accompanied by characteristic step signal. The signal has proved to be typical of the heterogeneous character of boiling-up onset in a whole range of superheating degrees. The performance of the method for investigation of the refractive index and density for superheated liquids as functions of temperature and pressure has been revealed. The experimental error is estimated to be 0.1%.
\\\\expert2\\NBO\\Journal of Chemical Physics\\2012, V.136, p.021102.pdf
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5.

Вид документа : Статья из журнала
Шифр издания : 53/D 63
Автор(ы) : Ermakov G.V., Lebedev G.D., Seskutov Y.V., Vladimirov P.F.
Заглавие : Distribution of Glass in the Bodies of Thermos Flasks
Место публикации : Glass and Ceramics. - 1979. - V.36, Is.5. - С. 250-253
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): glass--bodies of flasks--flasks thermos
\\\\Cserver\\dist\\НБО\\Электронная библиотека_Библиогр1\\Glass and Ceramics\\1979, v. 36, N. 5, p.250.pdf
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6.

Вид документа : Статья из журнала
Шифр издания : 53/D 63
Автор(ы) : Ermakov G.V., Lebedev G.D., Seskutov Y.V., Vladimirov P.F.
Заглавие : Distribution of Glass in the Bodies of Thermos Flasks
Место публикации : Glass and Ceramics. - 1979. - V.36, Is.5. - С. 250-253
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): glass--bodies of flasks--flasks thermos
\\\\Cserver\\dist\\НБО\\Электронная библиотека_Библиогр1\\Glass and Ceramics\\1979, v. 36, N. 5, p.250.pdf
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7.

Вид документа :
Шифр издания : 53/E 70
Автор(ы) : Ermakov G. V., Gurashkin A. L
Заглавие : Description of heterogeneous boiling up of superheated liquid
Место публикации : Journal of Engineering Thermophysics. - 2007. - Vol.16, №4. - С. 231-235
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): boiling--superheated n-hexane --heterogeneous boiling
Аннотация: The results of measurements of the average expectation time of boiling up of strongly superheated n-hexane in structures from different finely dispersed powders whose smallest size is about 10 nm by using isotherms and isobars are presented. As was proposed by Academician V.P. Skripov, isotherm sections with the heterogeneous boiling up mechanism were processed with the help of Zhurkov’s formula, which is based on the thermofluctuation hypothesis of solid body strength. Thus, temperature dependences of the characteristic volume, whose excess leads to the system division into macroscopic phases, have been found for the systems studied. An approach dealing with the boiling up of superheated liquid as a fluctuation in a locally isolated microvolume is used to describe the isobars. To calculate the work of formation of the characteristic volume, its values obtained at the processing of isotherms are used. The system of equations for the temperature dependence of the average expectation time of n-hexane boiling up in isobars has three empirical constants. A rather accurate description of isobars is obtained at a proper choice of these constants. The result obtained confirms that the idea of Academician V.P. Skripov is successful
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8.

Вид документа :
Шифр издания : 53/E 70
Автор(ы) : Ermakov G. V., Gurashkin A. L
Заглавие : Description of heterogeneous boiling up of superheated liquid
Место публикации : Journal of Engineering Thermophysics. - 2007. - Vol.16, №4. - С. 231-235
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): boiling--superheated n-hexane --heterogeneous boiling
Аннотация: The results of measurements of the average expectation time of boiling up of strongly superheated n-hexane in structures from different finely dispersed powders whose smallest size is about 10 nm by using isotherms and isobars are presented. As was proposed by Academician V.P. Skripov, isotherm sections with the heterogeneous boiling up mechanism were processed with the help of Zhurkov’s formula, which is based on the thermofluctuation hypothesis of solid body strength. Thus, temperature dependences of the characteristic volume, whose excess leads to the system division into macroscopic phases, have been found for the systems studied. An approach dealing with the boiling up of superheated liquid as a fluctuation in a locally isolated microvolume is used to describe the isobars. To calculate the work of formation of the characteristic volume, its values obtained at the processing of isotherms are used. The system of equations for the temperature dependence of the average expectation time of n-hexane boiling up in isobars has three empirical constants. A rather accurate description of isobars is obtained at a proper choice of these constants. The result obtained confirms that the idea of Academician V.P. Skripov is successful
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9.

Вид документа :
Шифр издания : 53/E 70
Автор(ы) : Ermakov G. V., Parshakova M. A., Lipnyagov E. V.
Заглавие : Homogeneous Boundary of the Attainable Superheat of Liquids by the “Theory of Surges”
Место публикации : Journal of Physical Chemistry B. - 2001. - Vol.105, №3. - С. 696-701
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): homogeneous nucleation--doring−volmer−frenkel−zeldovich−kagan theory--tolman length
Аннотация: An alternative theory of homogeneous nucleation based on the theorem on surges has been formulated. This theory gives a steeper temperature dependence of the homogeneous nucleation rate along isobars than that given by the classical Doring−Volmer−Frenkel−Zeldovich−Kagan theory. By the alternative theory, lines of attainable superheat lie much higher than classical ones and are close to the spinodal. Taking into account the dependence of the surface tension on r, i.e., the nucleus radius of curvature, assuming the power dependence of the Tolman length, δ = const/rn, from the theories for different liquids the boundary of attainable superheats moves toward lower temperatures
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10.

Вид документа :
Шифр издания : 53/E 70
Автор(ы) : Ermakov G. V., Parshakova M. A., Lipnyagov E. V.
Заглавие : Homogeneous Boundary of the Attainable Superheat of Liquids by the “Theory of Surges”
Место публикации : Journal of Physical Chemistry B. - 2001. - Vol.105, №3. - С. 696-701
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): homogeneous nucleation--doring−volmer−frenkel−zeldovich−kagan theory--tolman length
Аннотация: An alternative theory of homogeneous nucleation based on the theorem on surges has been formulated. This theory gives a steeper temperature dependence of the homogeneous nucleation rate along isobars than that given by the classical Doring−Volmer−Frenkel−Zeldovich−Kagan theory. By the alternative theory, lines of attainable superheat lie much higher than classical ones and are close to the spinodal. Taking into account the dependence of the surface tension on r, i.e., the nucleus radius of curvature, assuming the power dependence of the Tolman length, δ = const/rn, from the theories for different liquids the boundary of attainable superheats moves toward lower temperatures
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