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The Stefan outflow in a multicomponent vapor-gas atmosphere around a droplet and its role for cloud expansion. / Kuchma, A.E.; Shchekin, A.K.; Martyukova, D.S.

In: Journal of Aerosol Science, Vol. 102, 2016, p. 72–82.

Research output: Contribution to journal › Article › peer-review

Harvard

Kuchma, AE, Shchekin, AK & Martyukova, DS 2016, 'The Stefan outflow in a multicomponent vapor-gas atmosphere around a droplet and its role for cloud expansion', Journal of Aerosol Science, vol. 102, pp. 72–82. https://doi.org/10.1016/j.jaerosci.2016.08.014

APA

Kuchma, A. E., Shchekin, A. K., & Martyukova, D. S. (2016). The Stefan outflow in a multicomponent vapor-gas atmosphere around a droplet and its role for cloud expansion. Journal of Aerosol Science, 102, 72–82. https://doi.org/10.1016/j.jaerosci.2016.08.014

Vancouver

Kuchma AE, Shchekin AK, Martyukova DS. The Stefan outflow in a multicomponent vapor-gas atmosphere around a droplet and its role for cloud expansion. Journal of Aerosol Science. 2016;102:72–82. https://doi.org/10.1016/j.jaerosci.2016.08.014

Author

Kuchma, A.E. ; Shchekin, A.K. ; Martyukova, D.S. / The Stefan outflow in a multicomponent vapor-gas atmosphere around a droplet and its role for cloud expansion. In: Journal of Aerosol Science. 2016 ; Vol. 102. pp. 72–82.

BibTeX

@article{941c678ea5df4476a873836b330a1b38,
title = "The Stefan outflow in a multicomponent vapor-gas atmosphere around a droplet and its role for cloud expansion",
abstract = "A new comprehensive analysis of Stefan{\textquoteright}s flow caused by a free growing droplet in the vapor-gas atmosphere with several condensing components is presented. This analysis, based on the nonstationary heat and material balance and diffusion transport equations, shows the appearance of the Stefan inflow in the vicinity of the growing droplet and the Stefan outflow at large distances from the droplet as a consequence of nonisothermal condensation. For an ensemble of droplets in the atmospheric cloud, this outflow provides an increase of the total volume of the cloud, which can be treated as cloud thermal expansion and leads to the rise of the cloud as a whole due to increasing its buoyancy. We have formulated the self-similar solutions of the nonstationary diffusion and heat conduction equations for a growing multicomponent droplet and have derived analytical expressions for the nonstationary velocity profile of Stefan{\textquoteright}s flow and the expansion volume of the vapor-gas mixture around the growing droplet. To illustrate the a",
keywords = "Condensation, Evaporation, Droplet, Cloud microphysics, Diffusion, Thermoconductivity, Stefan{\textquoteright}s flow, Evaporation heat",
author = "A.E. Kuchma and A.K. Shchekin and D.S. Martyukova",
year = "2016",
doi = "10.1016/j.jaerosci.2016.08.014",
language = "English",
volume = "102",
pages = "72–82",
journal = "Journal of Aerosol Science",
issn = "0021-8502",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - The Stefan outflow in a multicomponent vapor-gas atmosphere around a droplet and its role for cloud expansion

AU - Kuchma, A.E.

AU - Shchekin, A.K.

AU - Martyukova, D.S.

PY - 2016

Y1 - 2016

N2 - A new comprehensive analysis of Stefan’s flow caused by a free growing droplet in the vapor-gas atmosphere with several condensing components is presented. This analysis, based on the nonstationary heat and material balance and diffusion transport equations, shows the appearance of the Stefan inflow in the vicinity of the growing droplet and the Stefan outflow at large distances from the droplet as a consequence of nonisothermal condensation. For an ensemble of droplets in the atmospheric cloud, this outflow provides an increase of the total volume of the cloud, which can be treated as cloud thermal expansion and leads to the rise of the cloud as a whole due to increasing its buoyancy. We have formulated the self-similar solutions of the nonstationary diffusion and heat conduction equations for a growing multicomponent droplet and have derived analytical expressions for the nonstationary velocity profile of Stefan’s flow and the expansion volume of the vapor-gas mixture around the growing droplet. To illustrate the a

AB - A new comprehensive analysis of Stefan’s flow caused by a free growing droplet in the vapor-gas atmosphere with several condensing components is presented. This analysis, based on the nonstationary heat and material balance and diffusion transport equations, shows the appearance of the Stefan inflow in the vicinity of the growing droplet and the Stefan outflow at large distances from the droplet as a consequence of nonisothermal condensation. For an ensemble of droplets in the atmospheric cloud, this outflow provides an increase of the total volume of the cloud, which can be treated as cloud thermal expansion and leads to the rise of the cloud as a whole due to increasing its buoyancy. We have formulated the self-similar solutions of the nonstationary diffusion and heat conduction equations for a growing multicomponent droplet and have derived analytical expressions for the nonstationary velocity profile of Stefan’s flow and the expansion volume of the vapor-gas mixture around the growing droplet. To illustrate the a

KW - Condensation

KW - Evaporation

KW - Droplet

KW - Cloud microphysics

KW - Diffusion

KW - Thermoconductivity

KW - Stefan’s flow

KW - Evaporation heat

U2 - 10.1016/j.jaerosci.2016.08.014

DO - 10.1016/j.jaerosci.2016.08.014

M3 - Article

VL - 102

SP - 72

EP - 82

JO - Journal of Aerosol Science

JF - Journal of Aerosol Science

SN - 0021-8502

ER -

ID: 7584463