Vapor condensation induced by fast-moving liquid film in the presence of noncondensable gas molecules

Ohashi, Kazutoshi; Kobayashi, Kazumichi; Fujii, Hiroyuki; Watanabe, Masao

doi:10.1016/j.icheatmasstransfer.2023.106622

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Number Density Profile Saturated Vapor Number Density and Po...1

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Cited by 5 publications

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“…Other works, e.g Refs. [41,42,43], chose to use δ as function of temperature and of the transition layer thickness which will result different evaporation/condensation coefficients. In our opinion, this consideration is also working as there is no restriction, in terms of modelling, on where to apply the KBCs and those coefficients are expected to be associated with the KBCs position.…”

Section: Number Density Profile Saturated Vapor Number Density and Po...mentioning

confidence: 99%

Effect of film thickness and temperature on condensation and momentum accommodation at the liquid–vapor methane interphase in contact with a quartz substrate

Soboh,

To,

Graur

et al. 2024

International Journal of Thermal Sciences

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Section: Number Density Profile Saturated Vapor Number Density and Po...mentioning

confidence: 99%

Effect of film thickness and temperature on condensation and momentum accommodation at the liquid–vapor methane interphase in contact with a quartz substrate

Soboh,

To,

Graur

et al. 2024

International Journal of Thermal Sciences

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Erratum to “Vapor condensation induced by fast-moving liquid film in the presence of noncondensable gas molecules” [International Communications in Heat and Mass Transfer 142 (2023) 1–8/106622]

Ohashi

Kobayashi

Fujii

et al. 2023

International Communications in Heat and Mass Transfer

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Couette flow at high Knudsen number between wall and liquid boundaries

Kobayashi,

Aoki,

Tabe

et al. 2023

Physics of Fluids

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This paper presents molecular dynamics simulations of the Couette flow of a rarefied gas between the liquid and wall boundaries and, in particular, investigates the boundary conditions for the Boltzmann equation at the liquid interface. The simulation results for various Knudsen numbers show that the slip velocity decreases at the liquid boundary and increases at the smooth wall as the Knudsen number increases, indicating that the velocity profile of the rarefied Couette flow is asymmetric. One reason for this is backscattering, in which molecules are reflected in the opposite direction to the mainstream flow, owing to molecular-scale roughness at the liquid boundary. It has also been suggested that the backscattering effect decreases when the gas density increases. This can be understood using the local Knudsen numbers near the liquid boundary.

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Vapor condensation induced by fast-moving liquid film in the presence of noncondensable gas molecules

Cited by 5 publications

References 30 publications

Effect of film thickness and temperature on condensation and momentum accommodation at the liquid–vapor methane interphase in contact with a quartz substrate

Effect of film thickness and temperature on condensation and momentum accommodation at the liquid–vapor methane interphase in contact with a quartz substrate

Erratum to “Vapor condensation induced by fast-moving liquid film in the presence of noncondensable gas molecules” [International Communications in Heat and Mass Transfer 142 (2023) 1–8/106622]

Couette flow at high Knudsen number between wall and liquid boundaries

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