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Общее количество найденных документов : 82
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1.
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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2.
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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3.
Инвентарный номер: нет.
   
   A 10


   
    A computer study of the absorption of infrared radiation by systems of molecular clusters [Текст] / A. N. Novruzov, V. N. Chukanov, O. R. Rakhmanova, A. E. Galashev // High Temperature. - 2006. - Vol. 44, № 6. - С. 932-940
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
MOLECULAR CLASTERS
Аннотация: The method of molecular dynamics is used to investigate the process of absorption of N2O and CH4 molecules by water clusters and to determine the frequency spectra of permittivity for systems consisting of clusters mixed in different ratios, namely, (H2O)n, (N2O)i(H2O)10, and (CH4)i(H2O)10. IR-radiation absorption spectra for these systems are calculated and analyzed; the radiation power scattered by these systems and the tangent of dielectric loss angle are determined. The inclusion of anharmonicity of phonon oscillation makes it possible to explain the origin of characteristic frequencies appearing in IR spectra of mixtures of cluster systems. The capture of molecules of greenhouse gases by an ultradisperse aqueous medium affects the ability of this medium to absorb terrestrial radiation, i.e., reduces the greenhouse effect.

\\\\Expert2\\NBO\\High Temperature\\2006, v.44, p.932.pdf
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4.
Инвентарный номер: нет.
   
   A 10


   
    A computer study of the absorption of infrared radiation by systems of molecular clusters [Текст] / A. N. Novruzov, V. N. Chukanov, O. R. Rakhmanova, A. E. Galashev // High Temperature. - 2006. - Vol. 44, № 6. - С. 932-940
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
MOLECULAR CLASTERS
Аннотация: The method of molecular dynamics is used to investigate the process of absorption of N2O and CH4 molecules by water clusters and to determine the frequency spectra of permittivity for systems consisting of clusters mixed in different ratios, namely, (H2O)n, (N2O)i(H2O)10, and (CH4)i(H2O)10. IR-radiation absorption spectra for these systems are calculated and analyzed; the radiation power scattered by these systems and the tangent of dielectric loss angle are determined. The inclusion of anharmonicity of phonon oscillation makes it possible to explain the origin of characteristic frequencies appearing in IR spectra of mixtures of cluster systems. The capture of molecules of greenhouse gases by an ultradisperse aqueous medium affects the ability of this medium to absorb terrestrial radiation, i.e., reduces the greenhouse effect.

\\\\Expert2\\NBO\\High Temperature\\2006, v.44, p.932.pdf
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5.
Инвентарный номер: нет.
   
   G 15


    Galashev, A. E.
    A computer study of the Raman spectra of the (GaN) 129, (SiO 2) 86, and (GaN) 54(SiO 2) 50 nanoparticles [Электронный ресурс] / A. E. Galashev // Russian Journal of Physical Chemistry B. - 2012. - Vol.6, №3. - P441-447
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
GALLIUM NITRIDE -- MOLECULAR DYNAMICS -- RAMAN SPECTRA
Аннотация: The Raman spectra of the (GaN) 129, (SiO 2) 86, and (GaN) 54(SiO 2) 50 nanoparticles were calculated using the molecular dynamics method. The spectrum of (SiO 2) 86 had three broad bands only, whereas the Raman spectrum of (GaN) 129 contained a large number of overlapping bands. The form of the Raman spectrum of (GaN) 54(SiO 2) 50 was determined by the arrangement of the GaN and SiO 2 components in it. The nanoparticle with a GaN nucleus had a continuous fairly smooth spectrum over the frequency range 0 ≤ ω ≤ 600 cm -1, whereas the spectrum of the nanoparticle with a SiO 2 nucleus contained well-defined bands caused by vibrations of groups of atoms of different kinds and atoms of the same kind

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6.
Инвентарный номер: нет.
   
   G 15


    Galashev, A. E.
    A computer study of the Raman spectra of the (GaN) 129, (SiO 2) 86, and (GaN) 54(SiO 2) 50 nanoparticles [Электронный ресурс] / A. E. Galashev // Russian Journal of Physical Chemistry B. - 2012. - Vol.6, №3. - P441-447
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
GALLIUM NITRIDE -- MOLECULAR DYNAMICS -- RAMAN SPECTRA
Аннотация: The Raman spectra of the (GaN) 129, (SiO 2) 86, and (GaN) 54(SiO 2) 50 nanoparticles were calculated using the molecular dynamics method. The spectrum of (SiO 2) 86 had three broad bands only, whereas the Raman spectrum of (GaN) 129 contained a large number of overlapping bands. The form of the Raman spectrum of (GaN) 54(SiO 2) 50 was determined by the arrangement of the GaN and SiO 2 components in it. The nanoparticle with a GaN nucleus had a continuous fairly smooth spectrum over the frequency range 0 ≤ ω ≤ 600 cm -1, whereas the spectrum of the nanoparticle with a SiO 2 nucleus contained well-defined bands caused by vibrations of groups of atoms of different kinds and atoms of the same kind

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7.
Инвентарный номер: нет.
   
   K 79


    Koverda, V. P.
    Anisotropic stochastic resonance in the system with a 1/f spectrum [Electronic resource] / V. P. Koverda, V. N. Skokov // Doklady Physics. - 2013. - Vol.58, №10. - С. 433-437. - Bibliogr. : p. 437 (11 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
STOCHASTIC RESONANCE -- HARMONIC EXCITATION -- WHITE NOISE
Аннотация: A new behavior of two-dimensional system equations has been discovered upon stochastic resonance: at low frequencies of the harmonic excitation and increasing intensity of the white noise, the motion of the system is limited to two mutually perpendicular directions. In this case we obtain an anisotropic stochastic resonance. With further increase in the intensity of the white noise in the system, one can observe a normal stochastic resonance in which an increase in the intensity of fluctuations in the frequency range measured is blurred by directions

\\\\expert2\\nbo\\Doklady Physics\\2013, v.58, N 10, p.433-437.pdf
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8.
Инвентарный номер: нет.
   
   K 79


    Koverda, V. P.
    Anisotropic stochastic resonance in the system with a 1/f spectrum [Electronic resource] / V. P. Koverda, V. N. Skokov // Doklady Physics. - 2013. - Vol.58, №10. - С. 433-437. - Bibliogr. : p. 437 (11 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
STOCHASTIC RESONANCE -- HARMONIC EXCITATION -- WHITE NOISE
Аннотация: A new behavior of two-dimensional system equations has been discovered upon stochastic resonance: at low frequencies of the harmonic excitation and increasing intensity of the white noise, the motion of the system is limited to two mutually perpendicular directions. In this case we obtain an anisotropic stochastic resonance. With further increase in the intensity of the white noise in the system, one can observe a normal stochastic resonance in which an increase in the intensity of fluctuations in the frequency range measured is blurred by directions

\\\\expert2\\nbo\\Doklady Physics\\2013, v.58, N 10, p.433-437.pdf
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9.
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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10.
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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