About evaporation–condensation coefficients on the vapor–liquid interface of high thermal conductivity matters

Kryukov, A. P.; Levashov, V. Yu.

doi:10.1016/j.ijheatmasstransfer.2011.02.042

Cited by 53 publications

(34 citation statements)

References 16 publications

(37 reference statements)

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“…This result corresponds well with the basic conclusions of numerical and experimental investigations of water droplet motion in gas area regularities [19][20][21][22][23].…”

Section: Resultssupporting

confidence: 90%

“…Parameter ΔR dependence on the average initial radius of single droplets at γ¼ 0, T w ¼ 293 K, U m E 0.8 m/s, U g E 0.5 m/s. evaporation [19][20][21][22][23][24]. This applies especially the values of liquid evaporation mass velocity and surface configuration change dynamics of droplets during their motion in gas area.…”

Section: Resultsmentioning

confidence: 99%

“…This applies especially the values of liquid evaporation mass velocity and surface configuration change dynamics of droplets during their motion in gas area. At the same time the specific conditions created during experiments allowed to educe a number of regularities which supplement significantly the results [19][20][21][22][23][24].…”

Section: Resultsmentioning

confidence: 99%

See 2 more Smart Citations

Experimental investigation of atomized water droplet initial parameters influence on evaporation intensity in flaming combustion zone

Vysokomornaya

Кузнецов

Стрижак

2014

Fire Safety Journal

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“…This result corresponds well with the basic conclusions of numerical and experimental investigations of water droplet motion in gas area regularities [19][20][21][22][23].…”

Section: Resultssupporting

confidence: 90%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Experimental investigation of atomized water droplet initial parameters influence on evaporation intensity in flaming combustion zone

Vysokomornaya

Кузнецов

Стрижак

2014

Fire Safety Journal

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“…5, and that is confirmed based on molecular dynamics [12,17,18]. On the other hand, during net evaporation/condensation, several studies to determine α e and α c based on molecular dynamics have been proposed to date [15,16,19,20]. For instance, Ishiyama et al [19,20] proposed a concept of spontaneous evaporation to avoid the ambiguities of assigning J evap and J ref .…”

Section: Introductionmentioning

confidence: 90%

“…As for the definitions of α e and α c , some different models were proposed [10,11,12,13,14]. We adopt the following definitions of α e and α c as a widely-used model [12,15,16,17,18,19,20].…”

Section: Introductionmentioning

confidence: 99%

Liquid temperature dependence of kinetic boundary condition at vapor–liquid interface

Kon

Kobayashi

Watanabe

2016

International Journal of Heat and Mass Transfer

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For the accurate description of heat and mass transfer through a vapor-liquid interface, the appropriate modeling of the interface during nonequilibrium phase change (net evaporation/condensation) is a crucial issue. The aim of this study is to propose a microscopic interfacial model which should be imposed at the interface as the kinetic boundary condition for the Boltzmann equation. In this study, we constructed the kinetic boundary condition for monoatomic molecules over a wide range of liquid temperature based on mean field kinetic theory, and we validated the accuracy of the constructed kinetic boundary condition by solving the boundary value problem of the Boltzmann equation. These results showed that we can impose the kinetic boundary condition at the interface by simply specifying liquid temperature and simulate the complex vapor-liquid two-phase flow induced by net evaporation/condensation. Furthermore, we applied the constructed kinetic boundary condition to the boundary condition for the fluid-dynamic-type equations. This application enables us to deal with a large spatio-temporal scale of the interfacial dynamics in the vapor-liquid two-phase system with net evaporation/condensation.

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Continuum-scale investigation of evaporation from bare soil under different boundary and initial conditions: An evaluation of nonequilibrium phase change

2015

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Evaporation and condensation in bare soils govern water and energy fluxes between the land and atmosphere. Phase change between liquid water and water vapor is commonly evaluated in soil hydrology using an assumption of instantaneous phase change (i.e., chemical equilibrium). Past experimental studies have shown that finite volatilization and condensation times can be observed under certain environmental conditions, thereby questioning the validity of this assumption. A comparison between equilibrium and nonequilibrium phase change modeling approaches showed that the latter is able to provide better estimates of evaporation, justifying the need for more research on this topic. Several formulations based on irreversible thermodynamics, first-order reaction kinetics, or the kinetic theory of gases have been employed to describe nonequilibrium phase change at the continuum scale. In this study, results from a fully coupled nonisothermal heat and mass transfer model applying four different nonequilibrium phase change formulations were compared with experimental data generated under different initial and boundary conditions. Results from a modified Hertz-Knudsen formulation based on kinetic theory of gases, proposed herein, were consistently in best agreement in terms of preserving both magnitude and trends of experimental data under all environmental conditions analyzed. Simulation results showed that temperature-dependent formulations generally better predict evaporation than formulations independent of temperature. Analysis of vapor concentrations within the porous media showed that conditions were not at equilibrium under the experimental conditions tested.

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About evaporation–condensation coefficients on the vapor–liquid interface of high thermal conductivity matters

Cited by 53 publications

References 16 publications

Experimental investigation of atomized water droplet initial parameters influence on evaporation intensity in flaming combustion zone

Experimental investigation of atomized water droplet initial parameters influence on evaporation intensity in flaming combustion zone

Liquid temperature dependence of kinetic boundary condition at vapor–liquid interface

Continuum-scale investigation of evaporation from bare soil under different boundary and initial conditions: An evaluation of nonequilibrium phase change

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