Центральная Научная Библиотека УрО РАН

Вид документа : Статья из журнала
Шифр издания : 53/C 91
Автор(ы) : Skokov V.N., Dik A.A., Koverda V.P., Skripov V.P.
Заглавие : Crystallization and Melting of Island Films of the PB-BI Alloy
Место публикации : Kristallografiya. - 1988. - V.33, Is.5. - С. 1202-1206
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): island films
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Вид документа : Статья из журнала
Шифр издания : 53/C 91
Автор(ы) : Skokov V.N., Dik A.A., Koverda V.P., Skripov V.P.
Заглавие : Crystallization in Supercooled Insular Binary-Alloy Films in the PB-BI(SN) and SN-BI Systems
Место публикации : Inorganic Materials. - 1987. - V.23, Is.9. - С. 1308-1311
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): crystallization
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Вид документа : Статья из журнала
Шифр издания : 53/C 91
Автор(ы) : Skokov V. N., Bogdanov N. M., Irkhin L. Yu., Koverda V. P.
Заглавие : Crystallization of thin films and ultradisperse powder of amorphous germanium-iron alloys
Место публикации : Melts. - 1990. - V. 4, N 4. - С. 286-290
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): 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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Вид документа : Статья из журнала
Шифр издания : 53/D 63
Автор(ы) : Pavlenko A. N., Koverda V. P., Reshetnikov A. V., Surtaev A. S., Tsoi A. N., Mazheiko N. A., Busov K. A., Skokov V. N.
Заглавие : Disintegration of flows of superheated liquid films and jets
Место публикации : Journal of Engineering Thermophysics
Примечания : Bibliogr. : p. 192-193 (65 ref.)
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): 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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Вид документа : Статья из журнала
Шифр издания : 53/D 63
Автор(ы) : Pavlenko A. N., Surtaev A. S., Tsoi A. N., Koverda V. P., Reshetnikov A. V., Mazheiko N. A., Busov K. A., Skokov V. N.
Заглавие : Disintegration of flows of superheated liquid films and jets [Электронный ресурс]
Место публикации : Journal of Engineering Thermophysics. - 2013. - Vol.22, №3. - С. 174-193
Систем. требования: http://download.springer.com/static/pdf/185/art%253A10.1134%252FS1810232813030028.pdf?auth66=1405766152_ab2f4265a80d9fb3376059ab9464289b&ext=.pdf
Примечания : Библиогр.: с. 190-193 (65 ref.). - 17.07.2014
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): 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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Вид документа :
Шифр издания : 53/D 98
Автор(ы) : Pavlenko A. N., Koverda V. P., Skokov A. V., Reshetnikov A. V., Vinogradov A. V., Surtaev A. S.
Заглавие : Dynamics of transition processes and structure formation in critical heat-mass transfer regimes during liquid boiling and cavitation
Место публикации : Journal of Engineering Thermophysics. - 2009. - Vol.18, №1. - С. 20-38
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): critical phenomena --falling films --liquid cavitation
Аннотация: The results of experimental studies concerning the development of critical phenomena and structure formation in the process of boiling in falling films and during liquid cavitation are given. In conditions of stepwise and periodic pulsed surges of a thermal load, the parameters of formed metastable regular structures and critical parameters of heat-releasing surface drying are shown to be determined by the dynamics of moving wetting boundaries in the process of system self-organization. In the case of high-intensity heat fluxes, decomposition of a falling film is determined by propagation regimes of self-maintaining boiling fronts with a complex shape of intermediate structures. The study of ultrasonic cavitation of water, glycerin, and vacuum oil shows that structures of interacting gas-vapor bubbles (having the form of fractal clusters) are formed near the emitter surface. Spatial structures are characterized by a low-frequency divergence of the power spectra and a scale-invariant function of the fluctuation distributions. The experimental results are in good qualitative agreement with the numerical simulations performed within the theory of 1/f fluctuations in the case of nonequilibrium phase transitions in a spatially distributed system
\\\\expert2\\NBO\\Journal of Engineering Thermophysics\\2009, V.18, N 1. P. 20-38.pdf
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Вид документа : Статья из журнала
Шифр издания : 53/F 84
Автор(ы) : Semenova N. M., Dik A. A., Skokov V.N., Koverda V. P.
Заглавие : Fractal structurization under crystallization in tree-layer films Ag-Ge-Ag
Место публикации : Physica Status Solidi (a). - 1993. - V. 139. - С. 287-293
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): ag-ge-ag--структурообразование фрактальное--фрактальное структурообразование--кристаллизация--пленки трехслойные--трехслойные пленки--серебро--германий--ag (серебро)--ge (германий)--теплофизика
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Вид документа : Статья из сборника (однотомник)
Шифр издания : 53/K 79
Автор(ы) : Koverda V. P., Skokov V. N., Reshetnikov A. V.
Заглавие : 1/f - Noise at non-equilibrium phase transitions
Место публикации : Nucleation Theory and Applications. - Dubna: JINR, 2002. - С. 259-272
Примечания : Bibliogr. : p.271-272 (17 ref.)
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): flicker noise--fluctuation--films
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Вид документа : Статья из журнала
Шифр издания : 53/K 79
Автор(ы) : Koverda V. P., Skokov V. N.
Заглавие : An origin of 1/f fluctuations at a nonequilibrium phase transition
Место публикации : Physica A. - 1999. - V. 262, N 3-4. - С. 376-387
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): 1/f-noise--nonequilibrium phase transitions--high-temperature superconductor--boiling--stochastic equations--films
Аннотация: We present the results of experimental study of an intensive source of wide-band 1/f noise whose generation appears in a system of two interacting nonequilibrium phase transitions. Such a process has been realized in the region of superposition of a superconductor-normal conductor phase transition on a liquid-vapor crisis transition in a boiling cooler. A mathematical model describing phase transitions in a dynamical system with two interacting order parameters, converting "white" noise into two stationary stochastic processes with 1/f and 1/f(2) spectra has been suggested. The properties of model oscillations with 1/f spectrum are qualitatively adequate to those observed in experiment. The characteristic difference of model oscillations with a 1/f(2) spectrum from classic random walks has also been noted
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Вид документа : Статья из журнала
Шифр издания : 53/K 79
Автор(ы) : Koverda V. P., Skokov V. N., Skripov V. P.
Заглавие : Liquid-solid phase transition in discontinuous metal films
Место публикации : Physica Status Solidi (a). - 1982. - V. 74, N 1. - С. 343-351
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): переход жидкость-твердое тело--жидкость-твердое тело (переход)--пленки неоднородные--неоднородные пленки--пленки металлические--металлические пленки--переходы фазовые--фазовые переходы--теплофизика
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