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Труды сотрудников Института теплофизики УрО РАН - результаты поиска

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Труды сотрудников Института горного дела УрО РАН
Труды сотрудников Института органического синтеза УрО РАН
Труды сотрудников Института теплофизики УрО РАН
Труды сотрудников Института химии твердого тела УрО РАН
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Труды сотрудников ЦНБ УрО РАН
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Каталог библиотеки ИГД УрО РАН
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Формат представления найденных документов:
полныйинформационныйкраткий
Отсортировать найденные документы по:
авторузаглавиюгоду изданиятипу документа
Поисковый запрос: (<.>K=1/f FLUCTUATIONS<.>)
Общее количество найденных документов : 8
Показаны документы с 1 по 8
1.
Инвентарный номер: нет.
   
   S 45

   
    Self-organized criticality and 1/f-noise at interacting nonequilibrium phase transitions / V. N. Skokov, A. V. Reshetnikov, V. P. Koverda, V. P. Koverda, A. V. Vinogradov // Physica A. - 2001. - Vol.293, № 1-2. - С. 1-12
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SELF-ORGANIZED CRITICALITY -- 1/f FLUCTUATIONS -- POWER SPECTRA
Аннотация: Oscillatory combustion regimes were experimentally investigated under the conditions of ignitable liquid boiling-up before the reaction front. Fluctuations with a power spectral density inversely proportional to frequency (1/f-noise) were observed and the power-law character of distribution functions was found. The phenomena are connected with the intersection and interaction of nonequilibrium phase transitions. A mathematical model describing the initiation of 1/f fluctuations at the interaction of a subcritical phase transition and supercritical one in a space-distributed system was suggested

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2.
Инвентарный номер: нет.
   
   T 82

   
    Transient behavior of superheated water jets boiling [Электронный ресурс] / A. V. Reshetnikov, K. A. Busov, N. A. Mazheiko, V. N. Skokov, V. P. Koverda // Thermophysics and Aeromtchanics. - 2012. - Vol.19, №2. - P329-336
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
1/f FLUCTUATIONS -- JET FORMS -- NUCLEATION FREQUENCY
Аннотация: Superheated water flowing out from high-pressure chamber through short cylindrical and slot channel has been studied experimentally. Relation of vaporization mechanisms in superheated liquid (boiling in single, not interacting centers, intense heterogeneous vaporization, and homogeneous fluctuating nucleation) and respective forms of superheated water jets has been determined. Temperature intervals with transient behavior of boiling have been determined. It is shown that at transient behavior of boiling the amplitude of pulsations of jet parameters increases, and in the spectra of pulsation power, the low-frequency component 1/f appears

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3.
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. - 2013. - Vol.59, №5. - С. 637-641. - Bibliogr. : p. 641 (19 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
STOCHASTIC EQUATIONS -- 1/f FLUCTUATIONS
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

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4.
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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5.
Инвентарный номер: нет.
   
   S 45

   
    Self-organized criticality and 1/f-noise at interacting nonequilibrium phase transitions / V. N. Skokov, A. V. Reshetnikov, V. P. Koverda, V. P. Koverda, A. V. Vinogradov // Physica A. - 2001. - Vol.293, № 1-2. - С. 1-12
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SELF-ORGANIZED CRITICALITY -- 1/f FLUCTUATIONS -- POWER SPECTRA
Аннотация: Oscillatory combustion regimes were experimentally investigated under the conditions of ignitable liquid boiling-up before the reaction front. Fluctuations with a power spectral density inversely proportional to frequency (1/f-noise) were observed and the power-law character of distribution functions was found. The phenomena are connected with the intersection and interaction of nonequilibrium phase transitions. A mathematical model describing the initiation of 1/f fluctuations at the interaction of a subcritical phase transition and supercritical one in a space-distributed system was suggested

Найти похожие
6.
Инвентарный номер: нет.
   
   T 82

   
    Transient behavior of superheated water jets boiling [Электронный ресурс] / A. V. Reshetnikov, K. A. Busov, N. A. Mazheiko, V. N. Skokov, V. P. Koverda // Thermophysics and Aeromtchanics. - 2012. - Vol.19, №2. - P329-336
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
1/f FLUCTUATIONS -- JET FORMS -- NUCLEATION FREQUENCY
Аннотация: Superheated water flowing out from high-pressure chamber through short cylindrical and slot channel has been studied experimentally. Relation of vaporization mechanisms in superheated liquid (boiling in single, not interacting centers, intense heterogeneous vaporization, and homogeneous fluctuating nucleation) and respective forms of superheated water jets has been determined. Temperature intervals with transient behavior of boiling have been determined. It is shown that at transient behavior of boiling the amplitude of pulsations of jet parameters increases, and in the spectra of pulsation power, the low-frequency component 1/f appears

Найти похожие
7.
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. - 2013. - Vol.59, №5. - С. 637-641. - Bibliogr. : p. 641 (19 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
STOCHASTIC EQUATIONS -- 1/f FLUCTUATIONS
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

Найти похожие
8.
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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