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1.
Инвентарный номер: нет.
   


   
    1/f Fluctuations under acoustic cavitation of liquids / V. N. Skokov, V. P. Koverda, A. V. Reshetnikov, A. V. Vinogradov // Physica A. - 2006. - Vol.364. - С. 63-69
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SELF-ORGANIZED CRITICALITY -- ACOUSTIC CAVITATION -- NONEQUILIBRIUM CONDITIONS
Аннотация: A regime of a generation of fluctuations with 1/f power spectra under cavitation of liquids in an ultrasonic field has been found experimentally. The acoustic cavitation is accompanied by the formation of various spatial structures and scale-invariant distribution functions of fluctuations. It has been shown that local fluctuations can have non-Gaussian distribution. A two-dimensional distributed parameter system of stochastic equations describing interacting nonequilibrium phase transitions has been investigated numerically. It has been shown that the system in a wide range of changing initial conditions and the intensity of external noise is characterized by the 1/f behavior of power spectra and scale-invariant distribution functions of fluctuations. The results of numerical simulation agree qualitatively with the experimental data

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2.
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    1/f Fluctuations under acoustic cavitation of liquids / V. N. Skokov, V. P. Koverda, A. V. Reshetnikov, A. V. Vinogradov // Physica A. - 2006. - Vol.364. - С. 63-69
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SELF-ORGANIZED CRITICALITY -- ACOUSTIC CAVITATION -- NONEQUILIBRIUM CONDITIONS
Аннотация: A regime of a generation of fluctuations with 1/f power spectra under cavitation of liquids in an ultrasonic field has been found experimentally. The acoustic cavitation is accompanied by the formation of various spatial structures and scale-invariant distribution functions of fluctuations. It has been shown that local fluctuations can have non-Gaussian distribution. A two-dimensional distributed parameter system of stochastic equations describing interacting nonequilibrium phase transitions has been investigated numerically. It has been shown that the system in a wide range of changing initial conditions and the intensity of external noise is characterized by the 1/f behavior of power spectra and scale-invariant distribution functions of fluctuations. The results of numerical simulation agree qualitatively with the experimental data

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3.
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    1/f noise and self-organized criticality in crisis regimes of heat and mass transfer / V. N. Skokov, V. P. Koverda, A. V. Reshetnikov, V. P. Skripov, N. A. Mazheiko, A. V. Vinogradov // International Journal of Heat and Mass Transfer. - 2003. - Vol. 46, № 10. - С. 1879-1883
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
1/f-NOISE -- FLUCTUATIONS -- FLICKER NOISE
Аннотация: Thermal fluctuations under the transition from nucleate to film boiling of water on a wire heater and fluctuations of jet form during an outflow of superheated liquid from a pressure vessel were experimentally investigated. It has been found that power spectrum of the fluctuations has got a low frequency component corresponding to a 1/f law (flicker noise).??The effect given is connected with the occurrence of nonequilibrium phase transitions in the systems: a crisis of heat transfer under the transition from nucleate to film boiling and a crisis of a flow in boiling-up of superheated liquid jet??

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4.
Инвентарный номер: нет.
   


   
    1/f noise and self-organized criticality in crisis regimes of heat and mass transfer / V. N. Skokov, V. P. Koverda, A. V. Reshetnikov, V. P. Skripov, N. A. Mazheiko, A. V. Vinogradov // International Journal of Heat and Mass Transfer. - 2003. - Vol. 46, № 10. - С. 1879-1883
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
1/f-NOISE -- FLUCTUATIONS -- FLICKER NOISE
Аннотация: Thermal fluctuations under the transition from nucleate to film boiling of water on a wire heater and fluctuations of jet form during an outflow of superheated liquid from a pressure vessel were experimentally investigated. It has been found that power spectrum of the fluctuations has got a low frequency component corresponding to a 1/f law (flicker noise).??The effect given is connected with the occurrence of nonequilibrium phase transitions in the systems: a crisis of heat transfer under the transition from nucleate to film boiling and a crisis of a flow in boiling-up of superheated liquid jet??

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5.
Инвентарный номер: нет.
   
   О-42


   
    1/f-Noisa under Conditions of Interaction between Phase Transitions [] / V. N. Skokov, A. V. Reshetnikov, V. P. Koverda, A. V. Vinogradov // High Temperature. - 2001. - Vol. 39, N 2. - С. 296-301: il. - Bibliogr.: p. 321 (13 n.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
1/f-NOISE -- PHASE TRANSITIONS

\\\\Expert2\\NBO\\High Temperature\\2001, v.39, p.316.pdf
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6.
Инвентарный номер: нет.
   
   О-42


   
    1/f-Noisa under Conditions of Interaction between Phase Transitions [] / V. N. Skokov, A. V. Reshetnikov, V. P. Koverda, A. V. Vinogradov // High Temperature. - 2001. - Vol. 39, N 2. - С. 296-301: il. - Bibliogr.: p. 321 (13 n.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
1/f-NOISE -- PHASE TRANSITIONS

\\\\Expert2\\NBO\\High Temperature\\2001, v.39, p.316.pdf
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7.
Инвентарный номер: нет.
   
   A 71


   
    Arc current fluctuation power spectra in the system of a solid metal electrode and carbonate melt [Текст] / A. V. Reshetnikov, V. N. Sannikov, V. N. Skokov, V. P. Koverda // Journal of Applied Mechanics and Technical Physics. - 2007. - Vol. 48, № 1. - С. 7-10
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SOLID METALS
Аннотация: Arc current fluctuations between a solid metal electrode and a liquid melt of alkaline carbonates at atmospheric pressure are measured. Arc current fluctuation power spectra are determined from the measurement data. It is shown that the fluctuation power is inversely proportional to the frequency (1/f-fluctuations). The fluctuations have a normal Gaussian distribution. The observed 1/f fluctuations exhibit scale invariance.

\\\\Expert2\\NBO\\Journal of Applied Mechanics and Technical Physics\\2007, v. 48, N. 1, p.7.pdf
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8.
Инвентарный номер: нет.
   
   A 71


   
    Arc current fluctuation power spectra in the system of a solid metal electrode and carbonate melt [Текст] / A. V. Reshetnikov, V. N. Sannikov, V. N. Skokov, V. P. Koverda // Journal of Applied Mechanics and Technical Physics. - 2007. - Vol. 48, № 1. - С. 7-10
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SOLID METALS
Аннотация: Arc current fluctuations between a solid metal electrode and a liquid melt of alkaline carbonates at atmospheric pressure are measured. Arc current fluctuation power spectra are determined from the measurement data. It is shown that the fluctuation power is inversely proportional to the frequency (1/f-fluctuations). The fluctuations have a normal Gaussian distribution. The observed 1/f fluctuations exhibit scale invariance.

\\\\Expert2\\NBO\\Journal of Applied Mechanics and Technical Physics\\2007, v. 48, N. 1, p.7.pdf
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9.
Инвентарный номер: нет.
   
   B 73


   
    Boiling up of jets of superheated ethanol-water solutions / A. V. Reshetnikov, A. V. Vinogradov, V. N. Begletsov, V. N. Skokov, V. P. Koverda // Journal of Engineering Thermophysics. - 2007. - Vol.16, №4. - С. 244-248
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
EVOLUTION OF THE SHAPES -- SUPERHEATED AQUEOUS SOLUTIONS -- LOW-BOILING LIQUID
Аннотация: The stability and evolution of the shapes of jets of strongly superheated aqueous solutions of ethanol flowing out of a high-pressure chamber are experimentally investigated at various initial parameters. It has been found that a low-boiling liquid causes shifting to lower temperatures of the boundaries between various kinds of boiling-up jets, such as cylindrical, conical, and open. Large-scale pulsations of the jet shapes are observed in the temperature range from 454 to 484 K, where the jet completely breaks down. The conditions for the formation of large-scale low-frequency pulsations with a power spectrum diverging inversely proportional to the frequency f (1/f spectra) have been revealed. Such fluctuations prove that the flow is unstable and large-scale low-frequency ejections are possible

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10.
Инвентарный номер: нет.
   
   B 73


   
    Boiling up of jets of superheated ethanol-water solutions / A. V. Reshetnikov, A. V. Vinogradov, V. N. Begletsov, V. N. Skokov, V. P. Koverda // Journal of Engineering Thermophysics. - 2007. - Vol.16, №4. - С. 244-248
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
EVOLUTION OF THE SHAPES -- SUPERHEATED AQUEOUS SOLUTIONS -- LOW-BOILING LIQUID
Аннотация: The stability and evolution of the shapes of jets of strongly superheated aqueous solutions of ethanol flowing out of a high-pressure chamber are experimentally investigated at various initial parameters. It has been found that a low-boiling liquid causes shifting to lower temperatures of the boundaries between various kinds of boiling-up jets, such as cylindrical, conical, and open. Large-scale pulsations of the jet shapes are observed in the temperature range from 454 to 484 K, where the jet completely breaks down. The conditions for the formation of large-scale low-frequency pulsations with a power spectrum diverging inversely proportional to the frequency f (1/f spectra) have been revealed. Such fluctuations prove that the flow is unstable and large-scale low-frequency ejections are possible

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11.
Инвентарный номер: нет.
   
   C 91


   
    Crystallization and Melting of Island Films of the PB-BI Alloy [] / V. N. Skokov, A. A. Dik, V. P. Koverda, V. P. Skripov // Kristallografiya. - 1988. - V.33, Is.5. - С. 1202-1206
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ISLAND FILMS

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12.
Инвентарный номер: нет.
   
   C 91


   
    Crystallization and Melting of Island Films of the PB-BI Alloy [] / V. N. Skokov, A. A. Dik, V. P. Koverda, V. P. Skripov // Kristallografiya. - 1988. - V.33, Is.5. - С. 1202-1206
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ISLAND FILMS

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13.
Инвентарный номер: нет.
   
   C 91


   
    Crystallization in Supercooled Insular Binary-Alloy Films in the PB-BI(SN) and SN-BI Systems [] / V. N. Skokov, A. A. Dik, V. P. Koverda, V. P. Skripov // Inorganic Materials. - 1987. - V.23, Is.9. - С. 1308-1311
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CRYSTALLIZATION

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14.
Инвентарный номер: нет.
   
   C 91


   
    Crystallization in Supercooled Insular Binary-Alloy Films in the PB-BI(SN) and SN-BI Systems [] / V. N. Skokov, A. A. Dik, V. P. Koverda, V. P. Skripov // Inorganic Materials. - 1987. - V.23, Is.9. - С. 1308-1311
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CRYSTALLIZATION

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15.
Инвентарный номер: нет.
   
   C 91


   
    Crystallization of thin films and ultradisperse powder of amorphous germanium-iron alloys [Text] / V. N. Skokov, N. M. Bogdanov, L. Yu. Irkhin, V. P. Koverda // Melts. - 1990. - V. 4, N 4. - P286-290
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
КРИСТАЛЛИЗАЦИЯ -- ПЛЕНКИ ТОНКИЕ -- ТОНКИЕ ПЛЕНКИ -- ПОРОШКИ УЛЬТРАДИСПЕРСНЫЕ -- УЛЬТРАДИСПЕРСНЫЕ ПОРОШКИ -- СПЛАВ ГЕРМАНИЙ-ЖЕЛЕЗО АМОРФНЫЙ -- МИКРОСКОПИЯ СКАНИРОВАННО-ЭЛЕКТРОННАЯ -- ГЕРМАНИЙ -- Ge -- ЖЕЛЕЗО -- Fe
Аннотация: Scanning electron microscopy was used to investigate the crystallization of thin films and ultradisperse powder of amorphous iron-germanium alloys

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16.
Инвентарный номер: нет.
   
   C 91


   
    Crystallization of thin films and ultradisperse powder of amorphous germanium-iron alloys [Text] / V. N. Skokov, N. M. Bogdanov, L. Yu. Irkhin, V. P. Koverda // Melts. - 1990. - V. 4, N 4. - P286-290
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
КРИСТАЛЛИЗАЦИЯ -- ПЛЕНКИ ТОНКИЕ -- ТОНКИЕ ПЛЕНКИ -- ПОРОШКИ УЛЬТРАДИСПЕРСНЫЕ -- УЛЬТРАДИСПЕРСНЫЕ ПОРОШКИ -- СПЛАВ ГЕРМАНИЙ-ЖЕЛЕЗО АМОРФНЫЙ -- МИКРОСКОПИЯ СКАНИРОВАННО-ЭЛЕКТРОННАЯ -- ГЕРМАНИЙ -- Ge -- ЖЕЛЕЗО -- Fe
Аннотация: Scanning electron microscopy was used to investigate the crystallization of thin films and ultradisperse powder of amorphous iron-germanium alloys

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17.
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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18.
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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19.
Инвентарный номер: нет.
   
   D 63


   
    Disintegration of flows of superheated liquid films and jets [Электронный ресурс] / A. N. Pavlenko, A. S. Surtaev, A. N. Tsoi, V. P. Koverda, A. V. Reshetnikov, N. A. Mazheiko, K. A. Busov, V. N. Skokov // Journal of Engineering Thermophysics. - 2013. - Vol.22, №3. - С. 174-193. - Библиогр.: с. 190-193 (65 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SUPERHEATED LIQUID FILMS -- LIQUID BOILING -- JET SHAPE
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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20.
Инвентарный номер: нет.
   
   D 63


   
    Disintegration of flows of superheated liquid films and jets [Электронный ресурс] / A. N. Pavlenko, A. S. Surtaev, A. N. Tsoi, V. P. Koverda, A. V. Reshetnikov, N. A. Mazheiko, K. A. Busov, V. N. Skokov // Journal of Engineering Thermophysics. - 2013. - Vol.22, №3. - С. 174-193. - Библиогр.: с. 190-193 (65 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SUPERHEATED LIQUID FILMS -- LIQUID BOILING -- JET SHAPE
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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