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Каталог книг и продолжающихся изданий
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Труды сотрудников Института органического синтеза УрО РАН
Труды сотрудников Института теплофизики УрО РАН
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Труды сотрудников ЦНБ УрО РАН
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1.
Инвентарный номер: нет.
   
   D 63

   
    Disintegration of flows of superheated liquid films and jets [Electronic resource] / A. N. Pavlenko, V. P. Koverda, A. V. Reshetnikov, A. S. Surtaev, A. N. Tsoi, N. A. Mazheiko, K. A. Busov, V. N. Skokov // Journal of Engineering Thermophysics. - Bibliogr. : p. 192-193 (65 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CYLINDRICAL CHANNEL -- EXPERIMENTAL INVESTIGATIONs -- BOILING INCIPIENCE
Аннотация: This paper represents results on investigating the dynamics of boiling and disintegration of superheated liquid films and jets. The first part deals with experimental study of boiling liquid outflow through short cylindrical and slit channels. Evolution of disintegration of a hot water jet flow is observed both at low and moderate superheating and at high and limit superheating, and also for vaporization mechanisms corresponding to these superheatings. Peculiarities of disintegration of jets through slit and cylindrical channels are noticed. Results on measuring the reactive thrust of the jet through a slit channel under different geometrical conditions behind the channel outlet are represented. The 1/f fluctuations in transient regimes of superheated liquid boiling and in transient regimes of behavior of the jet shape are found. The second part of this article represents results on experimental investigation of nonsteady heat transfer and dynamics of the development of crisis phenomena at boiling of a falling subcooled liquid film in the conditions of stepwise heat release. The experimental data were obtained using synchronized high-speed infrared thermography and video. It is shown that with growth and condensation of vapor bubbles, on the liquid film interface appear large-amplitude waves that lead to considerably increasing local intensity of heat transfer. New data on the boiling incipience temperature in a subcooled liquid film, depending on the heat flux density, are obtained. It is found that the development of boiling crisis is a result of appearance of local dry patches and their subsequent growth by the mechanism of longitudinal thermal conductivity in the heat transfer wall as the equilibrium heat flux density is exceeded

\\\\expert2\\NBO\\Journal of Engineering Thermophysics\\2013, V.22, N 3. P. 174-193.pdf
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2.
Инвентарный номер: нет.
   
   D 63

   
    Disintegration of flows of superheated liquid films and jets [Electronic resource] / A. N. Pavlenko, V. P. Koverda, A. V. Reshetnikov, A. S. Surtaev, A. N. Tsoi, N. A. Mazheiko, K. A. Busov, V. N. Skokov // Journal of Engineering Thermophysics. - Bibliogr. : p. 192-193 (65 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CYLINDRICAL CHANNEL -- EXPERIMENTAL INVESTIGATIONs -- BOILING INCIPIENCE
Аннотация: This paper represents results on investigating the dynamics of boiling and disintegration of superheated liquid films and jets. The first part deals with experimental study of boiling liquid outflow through short cylindrical and slit channels. Evolution of disintegration of a hot water jet flow is observed both at low and moderate superheating and at high and limit superheating, and also for vaporization mechanisms corresponding to these superheatings. Peculiarities of disintegration of jets through slit and cylindrical channels are noticed. Results on measuring the reactive thrust of the jet through a slit channel under different geometrical conditions behind the channel outlet are represented. The 1/f fluctuations in transient regimes of superheated liquid boiling and in transient regimes of behavior of the jet shape are found. The second part of this article represents results on experimental investigation of nonsteady heat transfer and dynamics of the development of crisis phenomena at boiling of a falling subcooled liquid film in the conditions of stepwise heat release. The experimental data were obtained using synchronized high-speed infrared thermography and video. It is shown that with growth and condensation of vapor bubbles, on the liquid film interface appear large-amplitude waves that lead to considerably increasing local intensity of heat transfer. New data on the boiling incipience temperature in a subcooled liquid film, depending on the heat flux density, are obtained. It is found that the development of boiling crisis is a result of appearance of local dry patches and their subsequent growth by the mechanism of longitudinal thermal conductivity in the heat transfer wall as the equilibrium heat flux density is exceeded

\\\\expert2\\NBO\\Journal of Engineering Thermophysics\\2013, V.22, N 3. P. 174-193.pdf
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3.
Инвентарный номер: нет.
   
   S 86

   
    Stochastic resonance at nonequilibrium phase transitions [Electronic resource] / V. N. Skokov, V. P. Koverda, A. V. Vinogradov, A. V. Reshetnikov // Physica A. - 2015. - Vol. 430, Article number 15968. - С. 65-72. - Bibliogr. : p. 71-72 (27 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
1/f-NOISE -- NONEQUILIBRIUM PHASE TRANSITIONS -- BOILING CRISIS
Аннотация: Abstract Thermal pulsations in a transition from a nucleate to a film regime of water boiling on a wire heater with a periodic Joule heat release have been studied experimentally. At frequencies of the periodic action smaller than 0.1 Hz the intermittency of the nucleate and film boiling regimes was observed. In this case the amplitude of thermal pulsations increased. The experiments with an additional noise source were carried out. With an increase in the intensity of the noise the power of the output periodic mode increased and reaching the maximum began to decrease. The results are interpreted as stochastic resonance when the periodic component of pulsations increases in the presence of noise. The results show that in a complex system with nonequilibrium phase transitions there can occur both the extreme fluctuations with 1/f power spectrum and stochastic resonance under external periodic action.

\\\\expert2\\nbo\\Physica A\\2015, v. 430, p.65-72.pdf
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4.
Инвентарный номер: нет.
   
   F 17

    Faizullin, M. Z.
    Hydrate formation in layers of gas-saturated amorphous ice [Electronic resource] / M. Z. Faizullin, A. V. Vinogradov, V. P. Koverda // Chemical Engineering Science. - 2015. - Vol. 130. - С. 135-143. - Bibliogr. : p. 142-143 (44 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
AMORPHOUS ICE -- GAS HYDRATES -- CARBON DIOXIDE
Аннотация: Layers of amorphous ice saturated with methane, ethane, propane and carbon dioxide were obtained by condensation of molecular beams of rarefied vapor and gas on a substrate cooled with liquid nitrogen. The amorphous state of such objects at low temperatures is stabilized by the high viscosity and the small value of the stationary nucleation rate of the crystal phase. Their heating in condition of high metastability is accompanied by spontaneous explosive crystallization, which leads to the formation of gas hydrates. Glass-transition and crystallization temperatures were determined by changes in their dielectric properties under heating. An increase in the gas content in layers of amorphous ice causes an increase in the crystallization temperature without any significant changes in the glass transition temperature. At atmospheric pressure in a liquid n-pentane medium the retention of gas hydrates was observed up to temperatures close to 273. K. Self-preservation ensured the retention of hydrates in a metastable state at temperatures exceeding considerably their equilibrium dissociation temperatures. Samples of gas hydrates obtained at a maximum gas flow rate during the deposition contained up to 15 mass % of methane, 12 mass % of ethane, 13 mass % of propane, and 23 mass % of carbon dioxide

\\\\expert2\\nbo\\Chemical Engineering Science\\2015, v.130, p.135-143.pdf
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5.
Инвентарный номер: нет.
   
   K 79

    Koverda, V. P.
    Noise-induced synchronization in a spatially distributed system with a 1/f spectrum [Electronic resource] / V. P. Koverda, V. N. Skokov // Doklady Physics. - 2015. - Vol. 60, № 5. - С. 193-196. - Bibliogr. : p. 196 (15 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
NOISE-INDUCED SYNCHRONIZATION -- SPATIAL INTERACTION -- NONEQUILIBRIUM PHASE TRANSITIONS
Аннотация: Noise-induced synchronization, which resembles the critical phase transition upon attaining a rather large intensity of white noise, is manifested in a spatially distributed system with the 1/f spectrum of power, which describes nonequilibrium phase transitions. In this case, the spatial interaction in the system is important.

\\\\expert2\\nbo\\Doklady Physics\\2015, v.60, N 5, p.193-196.pdf
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6.
Инвентарный номер: нет.
   
   H 99

   
    Hydrodynamic response to explosive boiling-up in a jet of superheated water [Electronic resource] / A. V. Reshetnikov, N. A. Mazheiko, V. N. Skokov, V. P. Koverda // International Journal of Heat and Mass Transfer. - 2015. - Vol. 85, June. - С. 965-970. - Bibliogr. : p. 969-970 (35 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
1/f FlUCTUATIONS -- COANDA EFFECT -- COMPLETE JET BREAKUP
Аннотация: The behavior of the jet recoil of boiling water discharging through a short cylindrical nozzle into the atmosphere and jet shape under high and limit superheating was experimentally studied. There was a complete breakup of the jet under both the realization of intensive heterogeneous nucleation (explosive boiling-up) in the flow and the presence of an adjacent plane behind the nozzle outlet. The complete jet breakup was accompanied by a sharp decrease of the jet recoil (the crisis of the recoil force). An explanation of the observed phenomena was given with the involvement of the Coanda effect. In both the transient regimes of boiling-up and the transition to the complete jet breakup 1/f fluctuations were observed. They pointed to the instability and possibility of large-scale outburst in the flow

\\\\expert2\\nbo\\International Journal of Heat and Mass Transfer\\2015, v. 85, p.965-970.pdf
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7.
Инвентарный номер: нет.
   
   H 99

   
    Hydrodynamic response to explosive boiling-up in a jet of superheated water [Electronic resource] / A. V. Reshetnikov, N. A. Mazheiko, V. N. Skokov, V. P. Koverda // International Journal of Heat and Mass Transfer. - 2015. - Vol. 85, June. - С. 965-970. - Bibliogr. : p. 969-970 (35 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
1/f FlUCTUATIONS -- COANDA EFFECT -- COMPLETE JET BREAKUP
Аннотация: The behavior of the jet recoil of boiling water discharging through a short cylindrical nozzle into the atmosphere and jet shape under high and limit superheating was experimentally studied. There was a complete breakup of the jet under both the realization of intensive heterogeneous nucleation (explosive boiling-up) in the flow and the presence of an adjacent plane behind the nozzle outlet. The complete jet breakup was accompanied by a sharp decrease of the jet recoil (the crisis of the recoil force). An explanation of the observed phenomena was given with the involvement of the Coanda effect. In both the transient regimes of boiling-up and the transition to the complete jet breakup 1/f fluctuations were observed. They pointed to the instability and possibility of large-scale outburst in the flow

\\\\expert2\\nbo\\International Journal of Heat and Mass Transfer\\2015, v. 85, p.965-970.pdf
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8.
Инвентарный номер: нет.
   
   S 86

   
    Stochastic resonance at nonequilibrium phase transitions [Electronic resource] / V. N. Skokov, V. P. Koverda, A. V. Vinogradov, A. V. Reshetnikov // Physica A. - 2015. - Vol. 430, Article number 15968. - С. 65-72. - Bibliogr. : p. 71-72 (27 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
1/f-NOISE -- NONEQUILIBRIUM PHASE TRANSITIONS -- BOILING CRISIS
Аннотация: Abstract Thermal pulsations in a transition from a nucleate to a film regime of water boiling on a wire heater with a periodic Joule heat release have been studied experimentally. At frequencies of the periodic action smaller than 0.1 Hz the intermittency of the nucleate and film boiling regimes was observed. In this case the amplitude of thermal pulsations increased. The experiments with an additional noise source were carried out. With an increase in the intensity of the noise the power of the output periodic mode increased and reaching the maximum began to decrease. The results are interpreted as stochastic resonance when the periodic component of pulsations increases in the presence of noise. The results show that in a complex system with nonequilibrium phase transitions there can occur both the extreme fluctuations with 1/f power spectrum and stochastic resonance under external periodic action.

\\\\expert2\\nbo\\Physica A\\2015, v. 430, p.65-72.pdf
Найти похожие
9.
Инвентарный номер: нет.
   
   K 79

    Koverda, V. P.
    Noise-induced synchronization in a spatially distributed system with a 1/f spectrum [Electronic resource] / V. P. Koverda, V. N. Skokov // Doklady Physics. - 2015. - Vol. 60, № 5. - С. 193-196. - Bibliogr. : p. 196 (15 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
NOISE-INDUCED SYNCHRONIZATION -- SPATIAL INTERACTION -- NONEQUILIBRIUM PHASE TRANSITIONS
Аннотация: Noise-induced synchronization, which resembles the critical phase transition upon attaining a rather large intensity of white noise, is manifested in a spatially distributed system with the 1/f spectrum of power, which describes nonequilibrium phase transitions. In this case, the spatial interaction in the system is important.

\\\\expert2\\nbo\\Doklady Physics\\2015, v.60, N 5, p.193-196.pdf
Найти похожие
10.
Инвентарный номер: нет.
   
   F 17

    Faizullin, M. Z.
    Hydrate formation in layers of gas-saturated amorphous ice [Electronic resource] / M. Z. Faizullin, A. V. Vinogradov, V. P. Koverda // Chemical Engineering Science. - 2015. - Vol. 130. - С. 135-143. - Bibliogr. : p. 142-143 (44 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
AMORPHOUS ICE -- GAS HYDRATES -- CARBON DIOXIDE
Аннотация: Layers of amorphous ice saturated with methane, ethane, propane and carbon dioxide were obtained by condensation of molecular beams of rarefied vapor and gas on a substrate cooled with liquid nitrogen. The amorphous state of such objects at low temperatures is stabilized by the high viscosity and the small value of the stationary nucleation rate of the crystal phase. Their heating in condition of high metastability is accompanied by spontaneous explosive crystallization, which leads to the formation of gas hydrates. Glass-transition and crystallization temperatures were determined by changes in their dielectric properties under heating. An increase in the gas content in layers of amorphous ice causes an increase in the crystallization temperature without any significant changes in the glass transition temperature. At atmospheric pressure in a liquid n-pentane medium the retention of gas hydrates was observed up to temperatures close to 273. K. Self-preservation ensured the retention of hydrates in a metastable state at temperatures exceeding considerably their equilibrium dissociation temperatures. Samples of gas hydrates obtained at a maximum gas flow rate during the deposition contained up to 15 mass % of methane, 12 mass % of ethane, 13 mass % of propane, and 23 mass % of carbon dioxide

\\\\expert2\\nbo\\Chemical Engineering Science\\2015, v.130, p.135-143.pdf
Найти похожие
11.
Инвентарный номер: нет.
   
   F 76

   
    Formation of gas hydrate during crystallization of ethane-saturated amorphous ice / M. Z. Faizullin, A. V. Vinogradov, V. N. Skokov, V. P. Koverda // Russian Journal of Physical Chemistry A. - 2014. - Vol.88, №10. - С. 1706-1711. - Bibliogr. : p. 1710-1711 (24 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
AMORPHOUS ICE -- CRYSTALLIZATION -- VITRIFICATION
Аннотация: Layers of ethane-saturated amorphous ice were prepared by depositing molecular beams of water and gas on a substrate cooled with liquid nitrogen. The heating of the layers was accompanied by vitrification (softening) followed by spontaneous crystallization. Crystallization of condensates under the conditions of deep metastability proceeded with gas hydrate formation. The vitrification and crystallization temperatures of the condensates were determined from the changes in their dielectric properties on heating. The thermal effects of transformations were recorded by differential thermal analysis. The crystallization of the amorphous water layers was studied by electron diffraction. Formation of a metastable packing with elements of a cubic diamond-like structure was noted

\\\\expert2\\nbo\\Russian Journal of Physical Chemistry A, Focus on Chemistry\\2014, V.88, N 10, p.1706.pdf
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12.
Инвентарный номер: нет.
   
   S 66

    Skokov, V. N.
    Stochastic resonance in a nonlinear system with a 1/f spectrum [Electronic resource] / V. N. Skokov, V. P. Koverda // Technical Physics. - 2014. - Vol.59, №5. - С. 637-641. - Bibliogr. : p. 641 (19 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
STOCHASTIC EQUATIONS -- NONEQUILIBRIUM PHASE -- 1/F SPECTRUM
Аннотация: The system of two nonlinear stochastic equations simulating 1/f fluctuations during the interaction of nonequilibrium phase transitions in the presence of an external harmonic force is analyzed using numerical methods. It is shown that the stochastic resonance occurring in the system enhances the output periodic signal under the action of noise. A random process with a 1/f power spectrum corresponds to the Gibbs-Shannon information entropy peak. In stochastic resonance, the information entropy is minimal

\\\\expert2\\NBO\\Technical Physics\\2014, v.59, N 5, p.637-641.pdf
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13.
Инвентарный номер: нет.
   
   S 66

    Skokov, V. N.
    Stochastic resonance in a nonlinear system with a 1/f spectrum [Electronic resource] / V. N. Skokov, V. P. Koverda // Technical Physics. - 2014. - Vol.59, №5. - С. 637-641. - Bibliogr. : p. 641 (19 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
STOCHASTIC EQUATIONS -- NONEQUILIBRIUM PHASE -- 1/F SPECTRUM
Аннотация: The system of two nonlinear stochastic equations simulating 1/f fluctuations during the interaction of nonequilibrium phase transitions in the presence of an external harmonic force is analyzed using numerical methods. It is shown that the stochastic resonance occurring in the system enhances the output periodic signal under the action of noise. A random process with a 1/f power spectrum corresponds to the Gibbs-Shannon information entropy peak. In stochastic resonance, the information entropy is minimal

\\\\expert2\\NBO\\Technical Physics\\2014, v.59, N 5, p.637-641.pdf
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14.
Инвентарный номер: нет.
   
   K 79

    Koverda, V. P.
    Stochastic resonance and 1/f noise at coupled phase transitions [Electronic resource] / V. P. Koverda, V. N. Skokov // Physica A. - 2014. - Vol.391. - С. 173-181. - Bibliogr. : p. 181 (24 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
STOCHASTIC EQUATIONS -- STOCHASTIC RESONANCE
Аннотация: The system of two nonlinear stochastic equations simulating 1/f fluctuations during the interaction of nonequilibrium phase transitions in the presence of an external periodic action has been studied by numerical methods. It is shown that in the system there appears stochastic resonance, which leads to an amplification of the output periodic signal under the action of noise. To a random process with a 1/f power spectrum corresponds the maximum Gibbs-Shannon informational entropy. At stochastic resonance the informational entropy is minimum. A new behavior of a two-dimensional system at stochastic resonance has been revealed: at low frequencies of a periodic action with an increased white noise intensity the system trajectories are limited by two mutually perpendicular directions - anisotropic stochastic resonance. With a further increase in the white noise intensity in the system one can observe "ordinary" stochastic resonance, when the increasing intensity of fluctuations in the vicinity of the driving frequency is smeared in the directions

\\\\expert2\\nbo\\Physica A\\2014, v. 393, p.173-181.pdf
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15.
Инвентарный номер: нет.
   
   K 79

    Koverda, V. P.
    Stochastic resonance and 1/f noise at coupled phase transitions [Electronic resource] / V. P. Koverda, V. N. Skokov // Physica A. - 2014. - Vol.391. - С. 173-181. - Bibliogr. : p. 181 (24 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
STOCHASTIC EQUATIONS -- STOCHASTIC RESONANCE
Аннотация: The system of two nonlinear stochastic equations simulating 1/f fluctuations during the interaction of nonequilibrium phase transitions in the presence of an external periodic action has been studied by numerical methods. It is shown that in the system there appears stochastic resonance, which leads to an amplification of the output periodic signal under the action of noise. To a random process with a 1/f power spectrum corresponds the maximum Gibbs-Shannon informational entropy. At stochastic resonance the informational entropy is minimum. A new behavior of a two-dimensional system at stochastic resonance has been revealed: at low frequencies of a periodic action with an increased white noise intensity the system trajectories are limited by two mutually perpendicular directions - anisotropic stochastic resonance. With a further increase in the white noise intensity in the system one can observe "ordinary" stochastic resonance, when the increasing intensity of fluctuations in the vicinity of the driving frequency is smeared in the directions

\\\\expert2\\nbo\\Physica A\\2014, v. 393, p.173-181.pdf
Найти похожие
16.
Инвентарный номер: нет.
   
   F 76

   
    Formation of gas hydrate during crystallization of ethane-saturated amorphous ice / M. Z. Faizullin, A. V. Vinogradov, V. N. Skokov, V. P. Koverda // Russian Journal of Physical Chemistry A. - 2014. - Vol.88, №10. - С. 1706-1711. - Bibliogr. : p. 1710-1711 (24 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
AMORPHOUS ICE -- CRYSTALLIZATION -- VITRIFICATION
Аннотация: Layers of ethane-saturated amorphous ice were prepared by depositing molecular beams of water and gas on a substrate cooled with liquid nitrogen. The heating of the layers was accompanied by vitrification (softening) followed by spontaneous crystallization. Crystallization of condensates under the conditions of deep metastability proceeded with gas hydrate formation. The vitrification and crystallization temperatures of the condensates were determined from the changes in their dielectric properties on heating. The thermal effects of transformations were recorded by differential thermal analysis. The crystallization of the amorphous water layers was studied by electron diffraction. Formation of a metastable packing with elements of a cubic diamond-like structure was noted

\\\\expert2\\nbo\\Russian Journal of Physical Chemistry A, Focus on Chemistry\\2014, V.88, N 10, p.1706.pdf
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17.
Инвентарный номер: нет.
   
   K 79

    Koverda, V. P.
    Coupled phase transitions under periodic perturbation [Electronic resource] / V. P. Koverda, V. N. Skokov // Doklady Physics. - 2014. - Vol. 59, № 7. - С. 291-294. - Bibliogr. : p. 294 (15 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
STOCHASTIC EQUATIONS -- STOCHASTIC PROCESSES
Аннотация: The influence of periodic perturbation on the system of two nonlinear stochastic equations, which model low-frequency pulsations in crisis and transient modes of heat-and-mass transfer with phase transitions, has been investigated by numerical methods. When studying the influence of the periodic perturbation on the system, a researcher should largely take into account the phase diagram. It is shown that nonequilibrium phase transitions from asymmetric cycles of phase trajectories to centrally symmetric ones occur in the absence of noise. These transitions are accompanied by the stochastic resonance response, which enhances as the frequency of the external periodic force decreases

\\\\expert2\\nbo\\Doklady Physics\\2014, v.59, N 7, p.291-294.pdf
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18.
Инвентарный номер: нет.
   
   K 79

    Koverda, V. P.
    Coupled phase transitions under periodic perturbation [Electronic resource] / V. P. Koverda, V. N. Skokov // Doklady Physics. - 2014. - Vol. 59, № 7. - С. 291-294. - Bibliogr. : p. 294 (15 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
STOCHASTIC EQUATIONS -- STOCHASTIC PROCESSES
Аннотация: The influence of periodic perturbation on the system of two nonlinear stochastic equations, which model low-frequency pulsations in crisis and transient modes of heat-and-mass transfer with phase transitions, has been investigated by numerical methods. When studying the influence of the periodic perturbation on the system, a researcher should largely take into account the phase diagram. It is shown that nonequilibrium phase transitions from asymmetric cycles of phase trajectories to centrally symmetric ones occur in the absence of noise. These transitions are accompanied by the stochastic resonance response, which enhances as the frequency of the external periodic force decreases

\\\\expert2\\nbo\\Doklady Physics\\2014, v.59, N 7, p.291-294.pdf
Найти похожие
19.
Инвентарный номер: нет.
   
   V 70

    Vinogradov, A. V.
    Stochastic resonant response in the transient boiling regime with periodic heat release [Electronic resource] / A. V. Vinogradov, V. N. Skokov, V. P. Koverda // Doklady Physics. - 2014. - Vol. 59, № 10. - С. 449-452. - Bibliogr. : p. 452 (15 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
NOISE
Аннотация: Results of experimental investigation into thermal pulsations with a transition from the bubble to the film boiling regime of water in a wire heater with periodic Joule release are presented. The intermittency of the bubble and film regimes was observed with the frequencies of the periodic current component lower than 0.1 Hz. The amplitude of thermal pulsations increased by a factor of approximately 4 in this case. These results are interpreted as the stochastic resonant response of the system when the periodic component of pul sations increases in the presence of noise.

\\\\expert2\\nbo\\Doklady Physics\\2014, v.59, N 10, p.449-452.pdf
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20.
Инвентарный номер: нет.
   
   F 17

    Faizullin, M. Z.
    Properties of gas hydrates formed by nonequilibrium condensation of molecular beams [Electronic resource] / M. Z. Faizullin, A. V. Vinogradov, V. P. Koverda // High Temperature. - 2014. - Vol. 52, № 6. - С. 830-839. - Bibliogr. : p. 838-839 (36 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
GLASS-TRANSITION -- AMORPHOUS SOLIDS -- AQUEOUS-SOLUTIONS
Аннотация: Low-temperature crystallization of amorphous materials has been analyzed theoretically taking into account nonstationary nucleation. The kinetics of crystallization of amorphous water layers, formed by depositing molecular beams on a substrate cooled by liquid nitrogen, has been investigated by differential thermal analysis. The conditions of gas hydrate formation in low-temperature amorphous-ice layers saturated with carbon dioxide have been studied. The glass-transition and crystallization temperatures of the gas hydrates have been determined from the change in dielectric properties upon heating. Under the deep-metastability conditions, crystallization of water-gas layers leads to the formation of crystallohydrates. Gas molecules are captured by the avalanche-like nucleation of crystallization centers and, therefore, are not displaced by the moving crystal-melt interface. Gas-hydrate samples formed in nonequilibrium water-gas layers are convenient for studying their thermophysical properties

\\\\expert2\\nbo\\High Temperature\\2014, v. 52, N 6, p.830-839.pdf
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