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1.
Инвентарный номер: нет.
   
   P 28


    Parshakova, M. A.
    Boiling of Superheated Liquids and Frenkel "Islands" [] / M. A. Parshakova, G. V. Ermakov // High Temperature. - 2001. - V. 39, N 3. - С. 455-461: il. - Bibliogr.: p. 494 (18 n.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
BOILING -- SUPERHEATED LIQUIDS -- FRENKEL ISLANDS

\\\\Expert2\\NBO\\High Temperature\\2001, v.39, p.455.pdf
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2.
Инвентарный номер: нет.
   
   E 70


    Ermakov, G. V.
    Homogeneous Boundary of the Attainable Superheat of Liquids by the “Theory of Surges” / G. V. Ermakov, M. A. Parshakova, E. V. Lipnyagov // Journal of Physical Chemistry B. - 2001. - Vol.105, №3. - С. 696-701
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
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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3.
Инвентарный номер: нет.
   
   P 28


    Parshakova, M. A.
    Nucleation as a local subsystem fluctuation / M. A. Parshakova, G. V. Ermakov // Physica A. - 2002. - Vol.303, №1-2. - С. 35-47
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
RANDOM SYSTEMS -- NUCLEATION -- FLUCTUATION
Аннотация: A nucleation theory has been advanced, in which a metastable system is considered as the sum of statistically independent subsystems. This theory provides a flexible scheme taking into account actually all initiating factors, including even a separate “weak” point in a system. In the case of a homogeneous nucleation, the difference between the classical and alternative approaches consists in the expression for the preexponential. Depending on the diameter of the critical nucleus, numerical estimates of this preexponential by the two theories differ by 0–4 orders of magnitude for a supersaturated steam and 1–5 orders of magnitude for a superheated liquid

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4.
Инвентарный номер: нет.
   
   T 44


   
    The visualization of boiling-up onset of superheated n-pentane in a glass capillary at atmospheric pressure by high-speed video [Electronic resource] / E. V. Lipnyagov, M. A. Parshakova, S. A. Perminov, G. V. Ermakov // International Journal of Heat and Mass Transfer. - 2013. - Vol.60, №1. - P612-615. - Bibliogr. : p. 615 (12 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
BOILING-UP -- BUBBLES -- HIGH-SPEED VIDEO
Аннотация: Experimental study of boiling-up of superheated n-pentane at atmospheric pressure in a glass capillary was carried out by high-speed video. From a visual comparison of video frames, we consider the character of vaporization in three temperature ranges corresponding to the following areas of the temperature dependence of the mean lifetime of metastable state: low temperature descending section, "plateau", and boundary of attainable superheat. Temperature at the boundary of attainable superheat was about 2 °C lower than the maximum values reported in the literature and achieved in the more narrow capillaries and 2.5 °C lower than at the homogeneous boundary of attainable superheat

\\\\expert2\\NBO\\International Journal of Heat and Mass Transfer\\2013, v.60, p.612-615.pdf
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5.
Инвентарный номер: нет.
   
   S 81


   
    Statistical properties of fluctuation boiling centers on the wall of a silylated glass cell for n-pentane near the boundary of attainable superheat [Electronic resource] / S. A. Perminov, E. V. Lipnyagov, G. V. Ermakov, M. A. Parshakova // International Journal of Heat and Mass Transfer. - 2013. - Vol.57, №1. - P429-431. - Bibliogr. : p. 431 (11 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
BOILING-UP -- HETEROGENEOUS -- LIQUIDS
Аннотация: High-speed video has been first used to show visually the existence of reproducible fluctuation boiling centers on a solid wall of an experimental cell for liquids superheated to the attainable superheat boundary. The main statistical characteristics of fluctuation centers have been calculated with allowance for censoring. The nonstationarity of a fluctuation process leading to the appearance of a nucleus capable of spontaneous growth has been shown. The change in the density of distribution of probabilities of boiling-up on an ensemble of centers with an increase in their number has been demonstrated. With an increase in the number of centers the probability of observation of large lifetimes of a liquid in the state of superheating decreases rapidly

\\\\expert2\\NBO\\International Journal of Heat and Mass Transfer\\2013, v.57, p.429-431.pdf
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6.
Инвентарный номер: нет.
   
   P 28


    Parshakova, M. A.
    Boiling of Superheated Liquids and Frenkel "Islands" [] / M. A. Parshakova, G. V. Ermakov // High Temperature. - 2001. - V. 39, N 3. - С. 455-461: il. - Bibliogr.: p. 494 (18 n.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
BOILING -- SUPERHEATED LIQUIDS -- FRENKEL ISLANDS

\\\\Expert2\\NBO\\High Temperature\\2001, v.39, p.455.pdf
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7.
Инвентарный номер: нет.
   
   E 70


    Ermakov, G. V.
    Homogeneous Boundary of the Attainable Superheat of Liquids by the “Theory of Surges” / G. V. Ermakov, M. A. Parshakova, E. V. Lipnyagov // Journal of Physical Chemistry B. - 2001. - Vol.105, №3. - С. 696-701
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
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

Найти похожие

8.
Инвентарный номер: нет.
   
   P 28


    Parshakova, M. A.
    Nucleation as a local subsystem fluctuation / M. A. Parshakova, G. V. Ermakov // Physica A. - 2002. - Vol.303, №1-2. - С. 35-47
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
RANDOM SYSTEMS -- NUCLEATION -- FLUCTUATION
Аннотация: A nucleation theory has been advanced, in which a metastable system is considered as the sum of statistically independent subsystems. This theory provides a flexible scheme taking into account actually all initiating factors, including even a separate “weak” point in a system. In the case of a homogeneous nucleation, the difference between the classical and alternative approaches consists in the expression for the preexponential. Depending on the diameter of the critical nucleus, numerical estimates of this preexponential by the two theories differ by 0–4 orders of magnitude for a supersaturated steam and 1–5 orders of magnitude for a superheated liquid

Найти похожие

9.
Инвентарный номер: нет.
   
   T 44


   
    The visualization of boiling-up onset of superheated n-pentane in a glass capillary at atmospheric pressure by high-speed video [Electronic resource] / E. V. Lipnyagov, M. A. Parshakova, S. A. Perminov, G. V. Ermakov // International Journal of Heat and Mass Transfer. - 2013. - Vol.60, №1. - P612-615. - Bibliogr. : p. 615 (12 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
BOILING-UP -- BUBBLES -- HIGH-SPEED VIDEO
Аннотация: Experimental study of boiling-up of superheated n-pentane at atmospheric pressure in a glass capillary was carried out by high-speed video. From a visual comparison of video frames, we consider the character of vaporization in three temperature ranges corresponding to the following areas of the temperature dependence of the mean lifetime of metastable state: low temperature descending section, "plateau", and boundary of attainable superheat. Temperature at the boundary of attainable superheat was about 2 °C lower than the maximum values reported in the literature and achieved in the more narrow capillaries and 2.5 °C lower than at the homogeneous boundary of attainable superheat

\\\\expert2\\NBO\\International Journal of Heat and Mass Transfer\\2013, v.60, p.612-615.pdf
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10.
Инвентарный номер: нет.
   
   S 81


   
    Statistical properties of fluctuation boiling centers on the wall of a silylated glass cell for n-pentane near the boundary of attainable superheat [Electronic resource] / S. A. Perminov, E. V. Lipnyagov, G. V. Ermakov, M. A. Parshakova // International Journal of Heat and Mass Transfer. - 2013. - Vol.57, №1. - P429-431. - Bibliogr. : p. 431 (11 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
BOILING-UP -- HETEROGENEOUS -- LIQUIDS
Аннотация: High-speed video has been first used to show visually the existence of reproducible fluctuation boiling centers on a solid wall of an experimental cell for liquids superheated to the attainable superheat boundary. The main statistical characteristics of fluctuation centers have been calculated with allowance for censoring. The nonstationarity of a fluctuation process leading to the appearance of a nucleus capable of spontaneous growth has been shown. The change in the density of distribution of probabilities of boiling-up on an ensemble of centers with an increase in their number has been demonstrated. With an increase in the number of centers the probability of observation of large lifetimes of a liquid in the state of superheating decreases rapidly

\\\\expert2\\NBO\\International Journal of Heat and Mass Transfer\\2013, v.57, p.429-431.pdf
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