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The Effects of Viscosity and Capillarity on Nonequilibrium Distribution of Gas Bubbles in Swelling Liquid-Gas Solution. / Щёкин, Александр Кимович; Кучма, Анатолий Евдокимович; Аксенова, Елена Валентиновна.

в: Colloids and Interfaces, Том 7, № 2, 39, 05.05.2023, стр. 39.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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@article{05c870234c4c446eb4fdb6c471cefa84,
title = "The Effects of Viscosity and Capillarity on Nonequilibrium Distribution of Gas Bubbles in Swelling Liquid-Gas Solution",
abstract = "A detailed statistical description of the evolution of supersaturated-by-gas solution at degassing has been presented on the basis of finding the time-dependent distribution in radii of overcritical gas bubbles. The influence of solution viscosity and capillarity via internal pressure in the bubbles on this distribution has been considered until the moment when the gas supersaturation drops due to depletion and stops nucleation of new overcritical gas bubbles. This study is based on our recent semi-analytical approach (A.E. Kuchma, A.K. Shchekin, J. Chem. Phys. 154, 144101 (2021) and A.K. Shchekin, A.E. Kuchma, E.V. Aksenova, Physica A 609, 128303 (2023)) to the problem of finding the nonstationary growth rate of overcritical bubbles depending on gas supersaturation, diffusivity and solubility in solution, solution viscosity, and surface tension on bubble surface. Other important factors are linked with the initial rate of homogeneous gas bubble nucleation and coupling between diffusivity and viscosity in the solution. Here, we numerically studied how all these factors affect the time-dependent distribution function of overcritical bubbles in their radii, maximal and mean bubble radii, and the time-dependent swelling ratio of a supersaturated-by-gas solution in a wide range of solution viscosities. ",
keywords = "kinetics, degassing, gas bubble, diffusion, distribution function, capillarity, viscosity, swelling",
author = "Щёкин, {Александр Кимович} and Кучма, {Анатолий Евдокимович} and Аксенова, {Елена Валентиновна}",
year = "2023",
month = may,
day = "5",
doi = "10.3390/colloids7020039",
language = "English",
volume = "7",
pages = "39",
journal = "Colloids and Interfaces",
issn = "2504-5377",
publisher = "MDPI AG",
number = "2",

}

RIS

TY - JOUR

T1 - The Effects of Viscosity and Capillarity on Nonequilibrium Distribution of Gas Bubbles in Swelling Liquid-Gas Solution

AU - Щёкин, Александр Кимович

AU - Кучма, Анатолий Евдокимович

AU - Аксенова, Елена Валентиновна

PY - 2023/5/5

Y1 - 2023/5/5

N2 - A detailed statistical description of the evolution of supersaturated-by-gas solution at degassing has been presented on the basis of finding the time-dependent distribution in radii of overcritical gas bubbles. The influence of solution viscosity and capillarity via internal pressure in the bubbles on this distribution has been considered until the moment when the gas supersaturation drops due to depletion and stops nucleation of new overcritical gas bubbles. This study is based on our recent semi-analytical approach (A.E. Kuchma, A.K. Shchekin, J. Chem. Phys. 154, 144101 (2021) and A.K. Shchekin, A.E. Kuchma, E.V. Aksenova, Physica A 609, 128303 (2023)) to the problem of finding the nonstationary growth rate of overcritical bubbles depending on gas supersaturation, diffusivity and solubility in solution, solution viscosity, and surface tension on bubble surface. Other important factors are linked with the initial rate of homogeneous gas bubble nucleation and coupling between diffusivity and viscosity in the solution. Here, we numerically studied how all these factors affect the time-dependent distribution function of overcritical bubbles in their radii, maximal and mean bubble radii, and the time-dependent swelling ratio of a supersaturated-by-gas solution in a wide range of solution viscosities.

AB - A detailed statistical description of the evolution of supersaturated-by-gas solution at degassing has been presented on the basis of finding the time-dependent distribution in radii of overcritical gas bubbles. The influence of solution viscosity and capillarity via internal pressure in the bubbles on this distribution has been considered until the moment when the gas supersaturation drops due to depletion and stops nucleation of new overcritical gas bubbles. This study is based on our recent semi-analytical approach (A.E. Kuchma, A.K. Shchekin, J. Chem. Phys. 154, 144101 (2021) and A.K. Shchekin, A.E. Kuchma, E.V. Aksenova, Physica A 609, 128303 (2023)) to the problem of finding the nonstationary growth rate of overcritical bubbles depending on gas supersaturation, diffusivity and solubility in solution, solution viscosity, and surface tension on bubble surface. Other important factors are linked with the initial rate of homogeneous gas bubble nucleation and coupling between diffusivity and viscosity in the solution. Here, we numerically studied how all these factors affect the time-dependent distribution function of overcritical bubbles in their radii, maximal and mean bubble radii, and the time-dependent swelling ratio of a supersaturated-by-gas solution in a wide range of solution viscosities.

KW - kinetics

KW - degassing

KW - gas bubble

KW - diffusion

KW - distribution function

KW - capillarity

KW - viscosity

KW - swelling

UR - https://www.mendeley.com/catalogue/724b9432-21d2-34ed-b8fd-9dfdf6ea8367/

U2 - 10.3390/colloids7020039

DO - 10.3390/colloids7020039

M3 - Article

VL - 7

SP - 39

JO - Colloids and Interfaces

JF - Colloids and Interfaces

SN - 2504-5377

IS - 2

M1 - 39

ER -

ID: 103828513