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Труды сотрудников ЦНБ УрО РАН
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Публикации Чарушина В.Н.
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 Найдено в других БД:Каталог книг и продолжающихся изданий (10)Нанотехнологии (2)Труды Института высокотемпературной электрохимии УрО РАН (5)Труды сотрудников Института органического синтеза УрО РАН (18)Труды сотрудников Института химии твердого тела УрО РАН (12)Расплавы (4)Публикации Чарушина В.Н. (4)
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Общее количество найденных документов : 24
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 1-10    11-20   21-24 
1.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    Nucleation in ethane-nitrogen solutions. I. Homogeneous nucleation [Electronic resource] / V. G. Baidakov, A. S. Pankov // International Journal of Heat and Mass Transfer. - 2015. - Vol. 86. - С. 930-935. - Bibliogr. : p. 935 (32 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CLASSICAL NUCLEATION THEORY -- METHOD OF LIFETIME MEASUREMENT -- ETHANE-NITROGEN SOLUTION
Аннотация: The method of lifetime measurement is used to investigate the kinetics of spontaneous boiling-up of ethane-nitrogen solutions. Superheating temperatures Tn of solutions have been determined in experiments at pressure p = 1.0, 1.6 MPa and nitrogen concentration in ethane x = 0.5, 1.5 mol% in the nucleation rate range J = 1 × 104-2 × 108 s-1 m-3. At J > 3 × 106 s-1 m-3 one can observe a satisfactory agreement between experimental data and homogeneous nucleation theory with respect to the temperature dependence of the nucleation rate and a systematic disagreement in the superheating temperature. At x = 0.5 mol% attainable superheating temperatures achieved by experiment coincide within the experimental error with theoretical values, and at x = 1.5 mol% exceed them by approximately 1.7 K. It is shown that one possible reason of such "excess superheating" of a solution beyond the theoretical value of Tn may be the absence of adsorption equilibrium at the critical bubble-ambient solution interface

\\\\expert2\\nbo\\International Journal of Heat and Mass Transfer\\2015, v. 86, p.930-935.pdf
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2.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    Nucleation in ethane-nitrogen solutions. I. Homogeneous nucleation [Electronic resource] / V. G. Baidakov, A. S. Pankov // International Journal of Heat and Mass Transfer. - 2015. - Vol. 86. - С. 930-935. - Bibliogr. : p. 935 (32 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CLASSICAL NUCLEATION THEORY -- METHOD OF LIFETIME MEASUREMENT -- ETHANE-NITROGEN SOLUTION
Аннотация: The method of lifetime measurement is used to investigate the kinetics of spontaneous boiling-up of ethane-nitrogen solutions. Superheating temperatures Tn of solutions have been determined in experiments at pressure p = 1.0, 1.6 MPa and nitrogen concentration in ethane x = 0.5, 1.5 mol% in the nucleation rate range J = 1 × 104-2 × 108 s-1 m-3. At J > 3 × 106 s-1 m-3 one can observe a satisfactory agreement between experimental data and homogeneous nucleation theory with respect to the temperature dependence of the nucleation rate and a systematic disagreement in the superheating temperature. At x = 0.5 mol% attainable superheating temperatures achieved by experiment coincide within the experimental error with theoretical values, and at x = 1.5 mol% exceed them by approximately 1.7 K. It is shown that one possible reason of such "excess superheating" of a solution beyond the theoretical value of Tn may be the absence of adsorption equilibrium at the critical bubble-ambient solution interface

\\\\expert2\\nbo\\International Journal of Heat and Mass Transfer\\2015, v. 86, p.930-935.pdf
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3.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    Capillary constant and surface tension of methane-helium solution [Electronic resource] / V. G. Baidakov, K. A. Grishina // Fluid Phase Equilibria. - 2013. - Vol.354. - P245-249. - Bibliogr. : p. 249 (21 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ADSORPTION -- CAPILLARY CONSTANT -- DIFFERENTIAL CAPILLARY METHOD
Аннотация: The differential capillary method has been used to measure the capillary constant a2 of methane-helium solutions in the temperature range from 95 to 175K at pressures up to 4MPa. The surface tension γ and adsorption have been calculated from the obtained values of a2 employing, in addition, literature data on the density of the liquid and vapor phases of the respective solutions. Equations, which approximate the temperature, pressure and concentration dependences of a2 and γ, are proposed

\\\\expert2\\NBO\\Fluid Phase Equilibria\\2013, v.354, p. 245-249.pdf
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4.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    Surface tension of ethane-methane solutions: 1. Experiment and thermodynamic analysis of the results [Electronic resource] / V. G. Baidakov, A. M. Kaverin, M. N. Khotienkova // Fluid Phase Equilibria. - 2013. - Vol.356. - P90-95. - Bibliogr. : p. 95 (21 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ADSORPTION -- CAPILLARY CONSTANT -- SURFACE TENSION
Аннотация: The paper presents the results of measuring the capillary constant a2 and calculating the surface tension σ of ethane-methane solutions. Experimental data have been obtained in the temperature range from 93.15 to 283.15K at pressures from that of saturated vapors of pure ethane to 4MPa. Equations that approximate the temperature, pressure and concentration dependences of a2 and σ are suggested. The concentration dependence of the surface tension is described in the framework of models of an ideal and a regular solution. The relative adsorption has been calculated

\\\\expert2\\NBO\\Fluid Phase Equilibria\\2013, v.356, p. 90-95.pdf
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5.
Инвентарный номер: нет.
   
   G 15

    Galashev, A. E.
    Computer study of methane adsorption by water clusters [Electronic resource] / A. E. Galashev, O. R. Rakhmanova // High Temperature. - 2013. - Vol.51, №3. - P369-376. - Bibliogr. : p. 375-376 (36 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
DIELECTRIC PERMITTIVITIES -- FREQUENCY DEPENDENCE -- HIGH-FREQUENCY MODE
Аннотация: Methane adsorption by water clusters including 50 molecules was studied by the molecular dynamics (MD) technique. The calculated frequency dependence of the real and imaginary parts of the dielectric permittivity points to the prevalence of a high-frequency mode in the spectra of these parameters after methane is adsorbed by water clusters. Such changes are also observed in the spectrum of the IR radiation absorption coefficient; however, the average value of this coefficient remains nearly the same. Methane adsorption causes a considerable increase in the reflection coefficient of the disperse water medium and the integrated power of IR radiation emission

\\\\expert2\\NBO\\High Temperature\\2013, v. 51, N 3, p.369-376.pdf
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6.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    Surface tension of ethane-methane solutions: 1. Experiment and thermodynamic analysis of the results [Electronic resource] / V. G. Baidakov, A. M. Kaverin, M. N. Khotienkova // Fluid Phase Equilibria. - 2013. - Vol.356. - P90-95. - Bibliogr. : p. 95 (21 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ADSORPTION -- CAPILLARY CONSTANT -- SURFACE TENSION
Аннотация: The paper presents the results of measuring the capillary constant a2 and calculating the surface tension σ of ethane-methane solutions. Experimental data have been obtained in the temperature range from 93.15 to 283.15K at pressures from that of saturated vapors of pure ethane to 4MPa. Equations that approximate the temperature, pressure and concentration dependences of a2 and σ are suggested. The concentration dependence of the surface tension is described in the framework of models of an ideal and a regular solution. The relative adsorption has been calculated

\\\\expert2\\NBO\\Fluid Phase Equilibria\\2013, v.356, p. 90-95.pdf
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7.
Инвентарный номер: нет.
   
   B 16

    Baidakov, V. G.
    Capillary constant and surface tension of methane-helium solution [Electronic resource] / V. G. Baidakov, K. A. Grishina // Fluid Phase Equilibria. - 2013. - Vol.354. - P245-249. - Bibliogr. : p. 249 (21 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ADSORPTION -- CAPILLARY CONSTANT -- DIFFERENTIAL CAPILLARY METHOD
Аннотация: The differential capillary method has been used to measure the capillary constant a2 of methane-helium solutions in the temperature range from 95 to 175K at pressures up to 4MPa. The surface tension γ and adsorption have been calculated from the obtained values of a2 employing, in addition, literature data on the density of the liquid and vapor phases of the respective solutions. Equations, which approximate the temperature, pressure and concentration dependences of a2 and γ, are proposed

\\\\expert2\\NBO\\Fluid Phase Equilibria\\2013, v.354, p. 245-249.pdf
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8.
Инвентарный номер: нет.
   
   G 15

    Galashev, A. E.
    Computer study of methane adsorption by water clusters [Electronic resource] / A. E. Galashev, O. R. Rakhmanova // High Temperature. - 2013. - Vol.51, №3. - P369-376. - Bibliogr. : p. 375-376 (36 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
DIELECTRIC PERMITTIVITIES -- FREQUENCY DEPENDENCE -- HIGH-FREQUENCY MODE
Аннотация: Methane adsorption by water clusters including 50 molecules was studied by the molecular dynamics (MD) technique. The calculated frequency dependence of the real and imaginary parts of the dielectric permittivity points to the prevalence of a high-frequency mode in the spectra of these parameters after methane is adsorbed by water clusters. Such changes are also observed in the spectrum of the IR radiation absorption coefficient; however, the average value of this coefficient remains nearly the same. Methane adsorption causes a considerable increase in the reflection coefficient of the disperse water medium and the integrated power of IR radiation emission

\\\\expert2\\NBO\\High Temperature\\2013, v. 51, N 3, p.369-376.pdf
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9.
Инвентарный номер: нет.
   
   G 15

    Galashev, A. E.
    Molecular dynamics simulation of adsorption of ozone and nitrate ions by water clusters [Электронный ресурс] / A. E. Galashev // High Temperature. - 2012. - Vol.50, №2. - P204-213
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CO-ADSORPTION -- DISPERSE SYSTEMS -- NITRATE IONS
Аннотация: Coadsorption of ozone molecules and nitrate ions by water clusters was studied by the molecular dynamics technique. The maximum value of an average O-H⋯O bond length in a water carcass is realized at the minimum specific number of such bonds when the ratio of adsorbed ozone molecules to nitrate ions captured by a cluster is two. IR absorption and reflection spectra were reshaped significantly, and new peaks appeared at Raman spectra due to the addition of ozone and nitrate ions to the disperse water system. After ozone and nitrate ions were captured, the average (in frequency) IR reflection coefficient of the water disperse system increased drastically and the absorption coefficient fell

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10.
Инвентарный номер: нет.
   
   G 15

    Galashev, A. E.
    Spectral characteristics of water clusters in the presence of nitrate ions [Электронный ресурс] / A. E. Galashev // Colloid Journal (Translation of Kolloidnyi Zhurnal). - 2012. - Vol.74, №6. - P655-662
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
DIELECTRIC PERMITTIVITIES -- FLEXIBLE MOLECULES -- IR ABSORPTION COEFFICIENT
Аннотация: Nitrate ion adsorption by water clusters is studied using the molecular dynamics method combined with a polarizable model of flexible molecules. It is established that successive addition of one to six NO 3 - ions to an (H2O)50 cluster decreases the averaged electrical potential related to the center of masses of water molecules. The (H2O)50 cluster retains its thermodynamic stability, provided that no more than three nitrate ions are added to it. After NO 3 - ions are adsorbed, the real and imaginary components of the dielectric permittivity and the intensity of the Raman spectrum decrease, while the intensity of the IR absorption spectrum increases. Moreover, ion adsorption by the water cluster reduces the IR absorption coefficient and refractive index

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