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 Найдено в других БД:Каталог книг и продолжающихся изданий (1)
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Общее количество найденных документов : 8
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1.
Инвентарный номер: нет.
   
   D 82


   
    Drop on a Hot Plate: The Appearance of 1/f Noise at the Transition to the Ball-Shaped State [] / V. P. Skripov, V. N. Vinogradov, A. V. Skokov, V. P. Reshetnikov, V. P. Koverda // Technical Physics. - 2003. - V. 48, N 6. - С. 682-684 . - ISSN 1063-7842
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
PHYSICS -- DROPS -- 1/f-NOISE -- BALL-SHAPED STATE -- EVAPORATION OF PENTANE -- PENTANE -- EVAPORATION OF HEXANE -- HEXANE -- EVAPORATION OF WATER -- WATER -- H2O
Аннотация: The evaporation of pentane, hexane, and water drops from a horizontal heating surface is studied experimentally. The temperature at which the drops take a completely spherical shape correlates with limit superheat temperatures under quasi-static conditions, suggesting dynamic burnout. Fluctuations in transient regimes are measured by optical and resistive methods. It is found that the spectral densities of the fluctuation intensity are of a flicker nature. Such behavior is associated with percolation in a set of nonequilibrium phase transitions

\\\\Expert2\\NBO\\Technical Physics\\2003, v.48, N 10, p.682.pdf
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2.
Инвентарный номер: нет.
   
   L 79


   
    Liquid-crystal phase transition in granular films of binary alloys [Text] : i. Kinetics of crystal nucleation / A. A. Dik, V. N. Skokov, V. P. Koverda, V. P. Skripov // Melts. - 1990. - V. 4, N 3. - P153-158
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ПЕРЕХОД ЖИДКОСТЬ-КРИСТАЛЛ -- ПЛЕНКИ ГРАНУЛИРОВАННЫЕ -- ГРАНУЛИРОВАННЫЕ ПЛЕНКИ -- СПЛАВ БИНАРНЫЙ -- бинарные сплавы -- КИНЕТИКА ЗАРОДЫШЕОБРАЗОВАНИЯ -- ЗАРОДЫШЕОБРАЗОВАНИЯ КИНЕТИКА -- ЗАРОДЫШЕОБРАЗОВАНИЕ КРИСТАЛЛИЧЕСКОЕ -- КРИСТАЛЛИЧЕСКОЕ ЗАРОДЫШЕОБРАЗОВАНИЕ -- Pb-Sn -- Sn-Bi -- Pb-Bi -- Pb-In -- МИКРОСКОПИЯ ЭЛЕКТРОННАЯ -- ЭЛЕКТРОННАЯ МИКРОСКОПИЯ -- КАПЛИ ПЕРЕОХЛАЖДЕННЫЕ -- ПЕРЕОХЛАЖДЕННЫЕ КАПЛИ -- Pb -- Sn -- Bi -- In -- СВИНЕЦ -- ОЛОВО -- ВИСМУТ -- ИНДИЙ -- переходы фазовые -- фазовые переходы
Аннотация: The kinetics of crystallization of supercooled drops in films of the binary alloys Pb-Sn, Sn-Bi, Pb-Bi, and Pb-In by scanning electron microscopy. Concentration dependences are determined for the attainable degrees of supercooling. The nucleation of crystals are determined. Possible mechanisms of nucleation of crystals in binary systems are discussed

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3.
Инвентарный номер: нет.
   
   C 51


    Chernysheva, M. A.
    3D-model for heat and mass transfer simulation in flat evaporator of copper-water loop heat pipe [Electronic resource] / M. A. Chernysheva, Yu. F. Maydanik // Applied Thermal Engineering. - 2012. - Vol.33-34, №1. - P124-134
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
EVAPORATION -- FLAT EVAPORATOR -- MATHEMATICAL MODEL
Аннотация: This paper presents a three-dimension mathematical model of a flat evaporator of a loop heat pipe which takes into account the peculiarities of the evaporator configuration and the specific character of a one-side heat load supply. All the main structural elements of the evaporator, such as its body, wick, vapor-removal grooves, barrier layer and compensation chamber, are included in the model. The intensity of heat-exchange processes during evaporation in the active zone is determined by local drops between the temperature at the wick surface and the vapor temperature. The effects of drying the wick in the evaporation zone are also taken into account. The problem was solved by a numerical method. The results of calculations are presented for a copper evaporator and water as a working fluid in the heat load range from 20 to 1100 W. A comparative analysis of calculated and experimental data has been made

\\\\expert2\\NBO\\Applied Thermal Engineering\\2012, v. 33-34, p.124.pdf
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4.
Инвентарный номер: нет.
   
   S 34


    Schmelzer, J. W. P.
    Kinetics of Condensation and Boiling: Comparison of Different Approaches / J. W. P. Schmelzer, V. G. Baidakov // Journal of Physical Chemistry B. - 2001. - Vol.105, №47. - С. 11595-11604
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CRITICAL CLUSTER -- GIBBS' METHOD -- VAN-DER-WAALS METHOD -- HILLIARD METHOD
Аннотация: A comparative analysis of the results of determination of the work of critical cluster formation in nucleation theory for three different methods of evaluationGibbs' method (employing the capillarity approximation), the van der Waals−Cahn and Hilliard method, and a newly developed modified Gibbs approachis given. As a particular application, the processes of condensation and boiling in one-component fluids are analyzed. As a model system for comparison, van der Waals fluids are chosen. In addition to the work of critical cluster formation, the bulk properties of the critical clusters (drops or bubbles), their characteristic sizes, and the values of the surface tension are determined in dependence on the initial supersaturation in the system or, equivalently, on the size of the critical clusters. It is shown that latter two mentioned methods of determination of the work of critical cluster formation (the van der Waals−Cahn & Hilliard and the modified Gibbs approach) leadat least for the model system consideredto qualitatively and partly quantitatively equivalent results. Nevertheless, differences remain which may lead to quantitative deviations when applied to the determination of the steady-state nucleation rates and further basic characteristics of nucleation-growth processes. The possible origin of such deviations is discussed, and some further directions of analysis are anticipated

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5.
Инвентарный номер: нет.
   
   D 82


   
    Drop on a Hot Plate: The Appearance of 1/f Noise at the Transition to the Ball-Shaped State [] / V. P. Skripov, V. N. Vinogradov, A. V. Skokov, V. P. Reshetnikov, V. P. Koverda // Technical Physics. - 2003. - V. 48, N 6. - С. 682-684 . - ISSN 1063-7842
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
PHYSICS -- DROPS -- 1/f-NOISE -- BALL-SHAPED STATE -- EVAPORATION OF PENTANE -- PENTANE -- EVAPORATION OF HEXANE -- HEXANE -- EVAPORATION OF WATER -- WATER -- H2O
Аннотация: The evaporation of pentane, hexane, and water drops from a horizontal heating surface is studied experimentally. The temperature at which the drops take a completely spherical shape correlates with limit superheat temperatures under quasi-static conditions, suggesting dynamic burnout. Fluctuations in transient regimes are measured by optical and resistive methods. It is found that the spectral densities of the fluctuation intensity are of a flicker nature. Such behavior is associated with percolation in a set of nonequilibrium phase transitions

\\\\Expert2\\NBO\\Technical Physics\\2003, v.48, N 10, p.682.pdf
Найти похожие

6.
Инвентарный номер: нет.
   
   L 79


   
    Liquid-crystal phase transition in granular films of binary alloys [Text] : i. Kinetics of crystal nucleation / A. A. Dik, V. N. Skokov, V. P. Koverda, V. P. Skripov // Melts. - 1990. - V. 4, N 3. - P153-158
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ПЕРЕХОД ЖИДКОСТЬ-КРИСТАЛЛ -- ПЛЕНКИ ГРАНУЛИРОВАННЫЕ -- ГРАНУЛИРОВАННЫЕ ПЛЕНКИ -- СПЛАВ БИНАРНЫЙ -- бинарные сплавы -- КИНЕТИКА ЗАРОДЫШЕОБРАЗОВАНИЯ -- ЗАРОДЫШЕОБРАЗОВАНИЯ КИНЕТИКА -- ЗАРОДЫШЕОБРАЗОВАНИЕ КРИСТАЛЛИЧЕСКОЕ -- КРИСТАЛЛИЧЕСКОЕ ЗАРОДЫШЕОБРАЗОВАНИЕ -- Pb-Sn -- Sn-Bi -- Pb-Bi -- Pb-In -- МИКРОСКОПИЯ ЭЛЕКТРОННАЯ -- ЭЛЕКТРОННАЯ МИКРОСКОПИЯ -- КАПЛИ ПЕРЕОХЛАЖДЕННЫЕ -- ПЕРЕОХЛАЖДЕННЫЕ КАПЛИ -- Pb -- Sn -- Bi -- In -- СВИНЕЦ -- ОЛОВО -- ВИСМУТ -- ИНДИЙ -- переходы фазовые -- фазовые переходы
Аннотация: The kinetics of crystallization of supercooled drops in films of the binary alloys Pb-Sn, Sn-Bi, Pb-Bi, and Pb-In by scanning electron microscopy. Concentration dependences are determined for the attainable degrees of supercooling. The nucleation of crystals are determined. Possible mechanisms of nucleation of crystals in binary systems are discussed

Найти похожие

7.
Инвентарный номер: нет.
   
   C 51


    Chernysheva, M. A.
    3D-model for heat and mass transfer simulation in flat evaporator of copper-water loop heat pipe [Electronic resource] / M. A. Chernysheva, Yu. F. Maydanik // Applied Thermal Engineering. - 2012. - Vol.33-34, №1. - P124-134
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
EVAPORATION -- FLAT EVAPORATOR -- MATHEMATICAL MODEL
Аннотация: This paper presents a three-dimension mathematical model of a flat evaporator of a loop heat pipe which takes into account the peculiarities of the evaporator configuration and the specific character of a one-side heat load supply. All the main structural elements of the evaporator, such as its body, wick, vapor-removal grooves, barrier layer and compensation chamber, are included in the model. The intensity of heat-exchange processes during evaporation in the active zone is determined by local drops between the temperature at the wick surface and the vapor temperature. The effects of drying the wick in the evaporation zone are also taken into account. The problem was solved by a numerical method. The results of calculations are presented for a copper evaporator and water as a working fluid in the heat load range from 20 to 1100 W. A comparative analysis of calculated and experimental data has been made

\\\\expert2\\NBO\\Applied Thermal Engineering\\2012, v. 33-34, p.124.pdf
Найти похожие

8.
Инвентарный номер: нет.
   
   S 34


    Schmelzer, J. W. P.
    Kinetics of Condensation and Boiling: Comparison of Different Approaches / J. W. P. Schmelzer, V. G. Baidakov // Journal of Physical Chemistry B. - 2001. - Vol.105, №47. - С. 11595-11604
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CRITICAL CLUSTER -- GIBBS' METHOD -- VAN-DER-WAALS METHOD -- HILLIARD METHOD
Аннотация: A comparative analysis of the results of determination of the work of critical cluster formation in nucleation theory for three different methods of evaluationGibbs' method (employing the capillarity approximation), the van der Waals−Cahn and Hilliard method, and a newly developed modified Gibbs approachis given. As a particular application, the processes of condensation and boiling in one-component fluids are analyzed. As a model system for comparison, van der Waals fluids are chosen. In addition to the work of critical cluster formation, the bulk properties of the critical clusters (drops or bubbles), their characteristic sizes, and the values of the surface tension are determined in dependence on the initial supersaturation in the system or, equivalently, on the size of the critical clusters. It is shown that latter two mentioned methods of determination of the work of critical cluster formation (the van der Waals−Cahn & Hilliard and the modified Gibbs approach) leadat least for the model system consideredto qualitatively and partly quantitatively equivalent results. Nevertheless, differences remain which may lead to quantitative deviations when applied to the determination of the steady-state nucleation rates and further basic characteristics of nucleation-growth processes. The possible origin of such deviations is discussed, and some further directions of analysis are anticipated

Найти похожие

 

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