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Поисковый запрос: (<.>K=FLUCTUATION<.>)
Общее количество найденных документов : 46
Показаны документы с 1 по 10
 1-10    11-20   21-30   31-40   41-46 
1.
Инвентарный номер: нет.
   
   Б 18


    Байдаков, В. Г.
    Кинетика флуктуационного вскипания перегретого жидкого метана [] = Kinetics of the Fluctuation Ebullition of Superheated Liquid Methane / В. Г. Байдаков, А. М. Каверин, В. П. Скрипов // Коллоидный журнал. - 1980. - Т. 42, N 2. - С. 314-317
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
МЕТАН ПЕРЕГРЕТЫЙ -- ПЕРЕГРЕТЫЙ МЕТАН -- ВСКИПАНИЕ ФЛУКТУАЦИОННОЕ -- ФЛУКТУАЦИОННОЕ ВСКИПАНИЕ -- КИНЕТИКА ВСКИПАНИЯ -- МЕТАН ЖИДКИЙ -- ЖИДКИЙ МЕТАН

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2.
Инвентарный номер: нет.
   
   Б 18


    Байдаков, В. Г.
    Кинетика флуктуационного вскипания перегретого жидкого метана [] = Kinetics of the Fluctuation Ebullition of Superheated Liquid Methane / В. Г. Байдаков, А. М. Каверин, В. П. Скрипов // Коллоидный журнал. - 1980. - Т. 42, N 2. - С. 314-317
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
МЕТАН ПЕРЕГРЕТЫЙ -- ПЕРЕГРЕТЫЙ МЕТАН -- ВСКИПАНИЕ ФЛУКТУАЦИОННОЕ -- ФЛУКТУАЦИОННОЕ ВСКИПАНИЕ -- КИНЕТИКА ВСКИПАНИЯ -- МЕТАН ЖИДКИЙ -- ЖИДКИЙ МЕТАН

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3.
Инвентарный номер: нет.
   
   V 70


    Vinogradov, A. V.
    Spectral Characteristics of Fluctuations in Ultrasonic Cavitation of Water and Glycerin / A. V. Vinogradov // Heat Transfer Research. - 2008. - Vol.39, №6. - С. 519-527
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
FLUCTUATION -- ACOUSTIC CAVITATION -- GLYCERIN
Аннотация: The results of experimental investigation of the dynamics of fluctuations in acoustic cavitation of water and glycerin are presented. Near the radiator surface the structures in interacting vapor-gas bubbles having the form of fractal clusters were formed. Using the method of photometric scanning of transmitted laser radiation, the dynamics of fluctuations was investigated. In the transient regime the range of the power of fluctuations changed inversely proportional to frequency. The distributions of local fluctuations differ from Gaussian ones and reveal the properties of scale invariance. The qualitative behavior of the frequency dependence of the spectral density of fluctuations on change in the power of an ultrasonic radiator was investigated. It is shown that the raise of the high-frequency boundary of the flicker behavior point to the buildup of instability and may serve as a precursor of possible large-scale overshoots

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4.
Инвентарный номер: нет.
   
   V 70


    Vinogradov, A. V.
    Spectral Characteristics of Fluctuations in Ultrasonic Cavitation of Water and Glycerin / A. V. Vinogradov // Heat Transfer Research. - 2008. - Vol.39, №6. - С. 519-527
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
FLUCTUATION -- ACOUSTIC CAVITATION -- GLYCERIN
Аннотация: The results of experimental investigation of the dynamics of fluctuations in acoustic cavitation of water and glycerin are presented. Near the radiator surface the structures in interacting vapor-gas bubbles having the form of fractal clusters were formed. Using the method of photometric scanning of transmitted laser radiation, the dynamics of fluctuations was investigated. In the transient regime the range of the power of fluctuations changed inversely proportional to frequency. The distributions of local fluctuations differ from Gaussian ones and reveal the properties of scale invariance. The qualitative behavior of the frequency dependence of the spectral density of fluctuations on change in the power of an ultrasonic radiator was investigated. It is shown that the raise of the high-frequency boundary of the flicker behavior point to the buildup of instability and may serve as a precursor of possible large-scale overshoots

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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.
   
   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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7.
Инвентарный номер: нет.
   
   S 66


    Skokov, V. N.
    Fliker Noise during Transition to Critical Boiling on a Nonlinear Heater [] / V. N. Skokov, V. P. Koverda // High Temperature. - 2000. - V. 38, N 2. - С. 249-253
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
FLICKER NOISE -- BOILING CRITICAL -- HEATER NONLINEAR -- NITROGEN -- N -- PULSATION HEAT -- DENSITY SPECTRAL -- SUPERCONDUCTOR HIGHTEMPERATURE -- FLUCTUATION -- TRANSITION PHASE

\\\\Expert2\\NBO\\High Temperature\\2000, v.38, p.249.pdf
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8.
Инвентарный номер: нет.
   
   S 66


    Skokov, V. N.
    Fliker Noise during Transition to Critical Boiling on a Nonlinear Heater [] / V. N. Skokov, V. P. Koverda // High Temperature. - 2000. - V. 38, N 2. - С. 249-253
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
FLICKER NOISE -- BOILING CRITICAL -- HEATER NONLINEAR -- NITROGEN -- N -- PULSATION HEAT -- DENSITY SPECTRAL -- SUPERCONDUCTOR HIGHTEMPERATURE -- FLUCTUATION -- TRANSITION PHASE

\\\\Expert2\\NBO\\High Temperature\\2000, v.38, p.249.pdf
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9.
Инвентарный номер: нет.
   
   R 45


    Reshetnikov, A. V.
    Relaxation and power spectra of low-frequency fluctuations in foams [Электронный ресурс] / A. V. Reshetnikov, V. N. Skokov, V. P. Koverda // Journal of Applied Mechanics and Technical Physics. - 2012. - Vol.53, №6. - P834-838
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
FOAM FORMATION -- LOW-FREQUENCY FLUCTUATIONS -- POWER SPECTRUM
Аннотация: The dynamics of foam formation in a water-glycerin solution was studied to establish the relationship between the relaxation characteristics and the fluctuation power spectrum for a stochastic process. Foaming occurred during the dissociation of the gas-saturated solution and during bubbling of the solution through a porous filter. Two types of relaxation of the foam-exponential and power-law-were revealed. The power-law type of relaxation was observed upon exposure to ultrasound. Relationships between the type of relaxation and the distribution of lowfrequency fluctuations and power spectra was established

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10.
Инвентарный номер: нет.
   
   R 45


    Reshetnikov, A. V.
    Relaxation and power spectra of low-frequency fluctuations in foams [Электронный ресурс] / A. V. Reshetnikov, V. N. Skokov, V. P. Koverda // Journal of Applied Mechanics and Technical Physics. - 2012. - Vol.53, №6. - P834-838
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
FOAM FORMATION -- LOW-FREQUENCY FLUCTUATIONS -- POWER SPECTRUM
Аннотация: The dynamics of foam formation in a water-glycerin solution was studied to establish the relationship between the relaxation characteristics and the fluctuation power spectrum for a stochastic process. Foaming occurred during the dissociation of the gas-saturated solution and during bubbling of the solution through a porous filter. Two types of relaxation of the foam-exponential and power-law-were revealed. The power-law type of relaxation was observed upon exposure to ultrasound. Relationships between the type of relaxation and the distribution of lowfrequency fluctuations and power spectra was established

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