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1.

Вид документа : Статья из журнала
Шифр издания : 53/C 51
Автор(ы) : Chernysheva M. A., Maydanik Yu. F.
Заглавие : Peculiarities of heat transfer in a flat disk-shaped evaporator of a loop heat pipe [Электронный ресурс]
Место публикации : International Journal of Heat and Mass Transfer. - 2016. - Vol. 92. - С. 1026-1033
Систем. требования: http://www.sciencedirect.com/science/article/pii/S0017931015302982
Примечания : Bibliogr. : p. 1033 (16 ref.). - 28.12.15
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): loop heat pipes --porous material--evaporator
Аннотация: Two models of a flat disk-shaped evaporator of a loop heat pipe have been developed for analyzing the effect of the convective component on heat transfer in a wick, and also on heat-exchange processes in an evaporation zone. Simulation data were obtained for two evaporators. The first evaporator was made entirely of copper, and the second had a body of stainless steel and a nickel wick. The geometrical dimensions of the evaporators were equal. The diameter of the heating zone was 30 mm. Calculations were made for heat fluxes from 2.8 ⋅ 104 to 4.2 ⋅ 105 W/m2. Water was used as a working fluid. An analysis of the results has shown that the contribution of the convective component to the overall heat transfer is small. The higher the thermal conductivity of the wick, the smaller the effect that the convection has on the temperature distribution in the evaporator.
\\\\expert2\\nbo\\International Journal of Heat and Mass Transfer\\2016, v. 92, p.1026-1033.pdf
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2.

Вид документа : Статья из журнала
Шифр издания : 53/C 51
Автор(ы) : Chernysheva M. A., Maydanik Yu. F.
Заглавие : Peculiarities of heat transfer in a flat disk-shaped evaporator of a loop heat pipe [Электронный ресурс]
Место публикации : International Journal of Heat and Mass Transfer. - 2016. - Vol. 92. - С. 1026-1033
Систем. требования: http://www.sciencedirect.com/science/article/pii/S0017931015302982
Примечания : Bibliogr. : p. 1033 (16 ref.). - 28.12.15
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): loop heat pipes --porous material--evaporator
Аннотация: Two models of a flat disk-shaped evaporator of a loop heat pipe have been developed for analyzing the effect of the convective component on heat transfer in a wick, and also on heat-exchange processes in an evaporation zone. Simulation data were obtained for two evaporators. The first evaporator was made entirely of copper, and the second had a body of stainless steel and a nickel wick. The geometrical dimensions of the evaporators were equal. The diameter of the heating zone was 30 mm. Calculations were made for heat fluxes from 2.8 ⋅ 104 to 4.2 ⋅ 105 W/m2. Water was used as a working fluid. An analysis of the results has shown that the contribution of the convective component to the overall heat transfer is small. The higher the thermal conductivity of the wick, the smaller the effect that the convection has on the temperature distribution in the evaporator.
\\\\expert2\\nbo\\International Journal of Heat and Mass Transfer\\2016, v. 92, p.1026-1033.pdf
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3.

Вид документа : Статья из журнала
Шифр издания : 53/F 76
Автор(ы) : Faizullin M. Z., Vinogradov A. V., Skokov V. N., Koverda V. P.
Заглавие : Formation of gas hydrate during crystallization of ethane-saturated amorphous ice [Электронный ресурс]
Место публикации : Russian Journal of Physical Chemistry A. - 2014. - Vol.88, №10. - С. 1706-1711
Систем. требования: http://download.springer.com/static/pdf/529/art%253A10.1134%252FS0036024414100124.pdf?auth66=1413195106_461536f990f951d6de37a1434a475230&ext=.pdf
Примечания : Bibliogr. : p. 1710-1711 (24 ref.). - 13.10.2014
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): amorphous ice--crystallization --vitrification
Аннотация: Layers of ethane-saturated amorphous ice were prepared by depositing molecular beams of water and gas on a substrate cooled with liquid nitrogen. The heating of the layers was accompanied by vitrification (softening) followed by spontaneous crystallization. Crystallization of condensates under the conditions of deep metastability proceeded with gas hydrate formation. The vitrification and crystallization temperatures of the condensates were determined from the changes in their dielectric properties on heating. The thermal effects of transformations were recorded by differential thermal analysis. The crystallization of the amorphous water layers was studied by electron diffraction. Formation of a metastable packing with elements of a cubic diamond-like structure was noted
\\\\expert2\\nbo\\Russian Journal of Physical Chemistry A, Focus on Chemistry\\2014, V.88, N 10, p.1706.pdf
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4.

Вид документа : Статья из журнала
Шифр издания : 53/C 51
Автор(ы) : Chernysheva M. A., Yushakova S., Maydanik Yu. F.
Заглавие : Copper-water loop heat pipes for energy-efficient cooling systems of supercomputers [Электронный ресурс]
Место публикации : Energy . - 2014. - С. 534-542
Систем. требования: http://www.sciencedirect.com/science/article/pii/S0360544214003120
Примечания : Bibliogr. : p. 542 (16 ref.). - 27.08.2014
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): cooling system--operating temperature--loop heat pipe
Аннотация: An implementation of a cooling system with a loop heat pipe for thermal control of supercomputers is considered. For this purpose two copper-water loop heat pipes (LHPs) with an effective length of 400mm and ID/OD diameters of the vapor lines of 3/4 and 4/5mm correspondingly were designed and tested. The LHPs were equipped with a flat-oval evaporator with one-sided heat supply. The evaporator had a thickness of 7mm, a length (including the compensation chamber) of 80mm and a width of 42mm. The influence of the cooling temperature of the condenser on the LHP operating characteristics was the central issue of this research. Tests were conducted in the range of the cooling temperature from 20 to 80°C. The heat load supplied to the evaporator was varied from 20 to 600W. A mathematical model for prediction of the LHP's operating temperature has been developed. It takes into consideration three operating modes of a loop heat pipe. Modeling results and their analysis are presented
\\\\expert2\\nbo\\Energy\\2014, v. 69, p. 534-542.pdf
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5.

Вид документа : Статья из журнала
Шифр издания : 53/F 17
Автор(ы) : Faizullin M. Z., Vinogradov A. V., Koverda V. P.
Заглавие : Properties of gas hydrates formed by nonequilibrium condensation of molecular beams [Электронный ресурс]
Место публикации : High Temperature. - 2014. - Vol. 52, № 6. - С. 830-839
Систем. требования: http://download.springer.com/static/pdf/706/art%253A10.1134%252FS0018151X14050046.pdf?auth66=1427190695_f46e11cc1867f9174e766f05ba570465&ext=.pdf
Примечания : Bibliogr. : p. 838-839 (36 ref.). - 24.03.15
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): glass-transition --amorphous solids--aqueous-solutions
Аннотация: Low-temperature crystallization of amorphous materials has been analyzed theoretically taking into account nonstationary nucleation. The kinetics of crystallization of amorphous water layers, formed by depositing molecular beams on a substrate cooled by liquid nitrogen, has been investigated by differential thermal analysis. The conditions of gas hydrate formation in low-temperature amorphous-ice layers saturated with carbon dioxide have been studied. The glass-transition and crystallization temperatures of the gas hydrates have been determined from the change in dielectric properties upon heating. Under the deep-metastability conditions, crystallization of water-gas layers leads to the formation of crystallohydrates. Gas molecules are captured by the avalanche-like nucleation of crystallization centers and, therefore, are not displaced by the moving crystal-melt interface. Gas-hydrate samples formed in nonequilibrium water-gas layers are convenient for studying their thermophysical properties
\\\\expert2\\nbo\\High Temperature\\2014, v. 52, N 6, p.830-839.pdf
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6.

Вид документа : Статья из журнала
Шифр издания : 53/F 17
Автор(ы) : Faizullin M. Z., Vinogradov A. V., Koverda V. P.
Заглавие : Properties of gas hydrates formed by nonequilibrium condensation of molecular beams [Электронный ресурс]
Место публикации : High Temperature. - 2014. - Vol. 52, № 6. - С. 830-839
Систем. требования: http://download.springer.com/static/pdf/706/art%253A10.1134%252FS0018151X14050046.pdf?auth66=1427190695_f46e11cc1867f9174e766f05ba570465&ext=.pdf
Примечания : Bibliogr. : p. 838-839 (36 ref.). - 24.03.15
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): glass-transition --amorphous solids--aqueous-solutions
Аннотация: Low-temperature crystallization of amorphous materials has been analyzed theoretically taking into account nonstationary nucleation. The kinetics of crystallization of amorphous water layers, formed by depositing molecular beams on a substrate cooled by liquid nitrogen, has been investigated by differential thermal analysis. The conditions of gas hydrate formation in low-temperature amorphous-ice layers saturated with carbon dioxide have been studied. The glass-transition and crystallization temperatures of the gas hydrates have been determined from the change in dielectric properties upon heating. Under the deep-metastability conditions, crystallization of water-gas layers leads to the formation of crystallohydrates. Gas molecules are captured by the avalanche-like nucleation of crystallization centers and, therefore, are not displaced by the moving crystal-melt interface. Gas-hydrate samples formed in nonequilibrium water-gas layers are convenient for studying their thermophysical properties
\\\\expert2\\nbo\\High Temperature\\2014, v. 52, N 6, p.830-839.pdf
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7.

Вид документа : Статья из журнала
Шифр издания : 53/C 51
Автор(ы) : Chernysheva M. A., Yushakova S., Maydanik Yu. F.
Заглавие : Copper-water loop heat pipes for energy-efficient cooling systems of supercomputers [Электронный ресурс]
Место публикации : Energy . - 2014. - С. 534-542
Систем. требования: http://www.sciencedirect.com/science/article/pii/S0360544214003120
Примечания : Bibliogr. : p. 542 (16 ref.). - 27.08.2014
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): cooling system--operating temperature--loop heat pipe
Аннотация: An implementation of a cooling system with a loop heat pipe for thermal control of supercomputers is considered. For this purpose two copper-water loop heat pipes (LHPs) with an effective length of 400mm and ID/OD diameters of the vapor lines of 3/4 and 4/5mm correspondingly were designed and tested. The LHPs were equipped with a flat-oval evaporator with one-sided heat supply. The evaporator had a thickness of 7mm, a length (including the compensation chamber) of 80mm and a width of 42mm. The influence of the cooling temperature of the condenser on the LHP operating characteristics was the central issue of this research. Tests were conducted in the range of the cooling temperature from 20 to 80°C. The heat load supplied to the evaporator was varied from 20 to 600W. A mathematical model for prediction of the LHP's operating temperature has been developed. It takes into consideration three operating modes of a loop heat pipe. Modeling results and their analysis are presented
\\\\expert2\\nbo\\Energy\\2014, v. 69, p. 534-542.pdf
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8.

Вид документа : Статья из журнала
Шифр издания : 53/F 76
Автор(ы) : Faizullin M. Z., Vinogradov A. V., Skokov V. N., Koverda V. P.
Заглавие : Formation of gas hydrate during crystallization of ethane-saturated amorphous ice [Электронный ресурс]
Место публикации : Russian Journal of Physical Chemistry A. - 2014. - Vol.88, №10. - С. 1706-1711
Систем. требования: http://download.springer.com/static/pdf/529/art%253A10.1134%252FS0036024414100124.pdf?auth66=1413195106_461536f990f951d6de37a1434a475230&ext=.pdf
Примечания : Bibliogr. : p. 1710-1711 (24 ref.). - 13.10.2014
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): amorphous ice--crystallization --vitrification
Аннотация: Layers of ethane-saturated amorphous ice were prepared by depositing molecular beams of water and gas on a substrate cooled with liquid nitrogen. The heating of the layers was accompanied by vitrification (softening) followed by spontaneous crystallization. Crystallization of condensates under the conditions of deep metastability proceeded with gas hydrate formation. The vitrification and crystallization temperatures of the condensates were determined from the changes in their dielectric properties on heating. The thermal effects of transformations were recorded by differential thermal analysis. The crystallization of the amorphous water layers was studied by electron diffraction. Formation of a metastable packing with elements of a cubic diamond-like structure was noted
\\\\expert2\\nbo\\Russian Journal of Physical Chemistry A, Focus on Chemistry\\2014, V.88, N 10, p.1706.pdf
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9.

Вид документа : Статья из журнала
Шифр издания : 53/F 17
Автор(ы) : Faizullin M. Z., Vinogradov A. V., Koverda V. P.
Заглавие : Preparation of gas hydrates by nonequilibrium condensation of molecular beams [Электронный ресурс]
Место публикации : Technical Physics Letters . - 2013. - Vol.39, №9. - С. 783-786
Систем. требования: http://www.scopus.com/record/display.url?eid=2-s2.0-84884767082&origin=resultslist&sort=plf-f&src=s&st1=Faizullin&st2=M.+Z.
Примечания : Bibliogr. : p. 786 (16 ref.). - 26.06.2014
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): carbon dioxide--crystallization temperatures--dielectric properties
Аннотация: Layers of amorphous ice saturated with carbon dioxide were prepared by the deposition of molecular beams of water and gas onto a substrate cooled with liquid nitrogen. Their heating is accompanied by glass transition (softening) and subsequent spontaneous crystallization. The glass transition and crystallization temperatures were determined from the change in dielectric properties during heating. The heat effects of the transformations were detected using differential thermal analysis. The crystallization of amorphous layers under conditions of deep metastability leads to the formation of crystalline hydrates. The avalanche nucleation of crystallization sites captures the gas molecules; therefore, they are not displaced by the movement of the crystallization front
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10.

Вид документа : Статья из журнала
Шифр издания : 53/C 51
Автор(ы) : Chernysheva M. A., Pastukhov V. G., Maydanik Yu. F.
Заглавие : Analysis of heat exchange in the compensation chamber of a loop heat pipe
Место публикации : Energy . - 2013. - С. Article in Press
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): compensation chamber--flat evaporator--heat-and-mass transfer--loop heat pipes
Аннотация: A three-dimensional heat-and-mass transfer model of a flat evaporator of a loop heat pipe has been developed for investigating heat-and-mass in a compensation chamber filled with a liquid. Numerical simulation was implemented using EFDLab® software package in order to predict the temperature distribution of the flat evaporator of a copper-water LHP (loop heat pipe) as well as the flow streamline and velocity field in the compensation chamber as a function of heat load. A computer simulation makes it possible to evaluate the heat exchange at the inner surface of the compensation chamber. Heat exchange data were used as a boundary condition in researching the problem of the drying effect of a wick and a transformation of the evaporating front in the active zone of the flat evaporator. © 2013 Elsevier Ltd. All rights reserved
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