The influence of various factors on the droplet desorption

S. Y. Misyura, V. S. Morozov

Research output: Contribution to journalConference article

Abstract

Experimental data on sessile droplet desorption of aqueous salt solution of LiBr on a heated wall were implemented. High-temperature desorption of water-salt solutions in air atmosphere leads to significant difficulties at modeling heat and mass transfer. In this case, the evaporation rate multiply decreases with time and the diffusion coefficient, the desorption heat and the salt concentration change significantly. With the growth of salt concentration in solution from 10 % to 65 %, the steam partial pressure at the interface falls by dozens of times. In this study, we performed experiments in a wide range of salt concentrations and proposed a simple estimated method for calculating the mass flow. The resulting technique can predict the droplet solution behavior with a significant change in the partial vapor pressure on the droplet interphase with time.

Original languageEnglish
Article number032013
JournalJournal of Physics: Conference Series
Volume899
Issue number3
DOIs
Publication statusPublished - 27 Sep 2017
Externally publishedYes
Event2nd All-Russian Scientific Conference Thermophysics and Physical Hydrodynamics with the School for Young Scientists, TPH 2017 - Yalta, Crimea, Ukraine
Duration: 11 Sep 201717 Sep 2017

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desorption
salts
partial pressure
evaporation rate
mass flow
steam
vapor pressure
mass transfer
diffusion coefficient
heat transfer
atmospheres
heat
air
water

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

The influence of various factors on the droplet desorption. / Misyura, S. Y.; Morozov, V. S.

In: Journal of Physics: Conference Series, Vol. 899, No. 3, 032013, 27.09.2017.

Research output: Contribution to journalConference article

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