Effect of evaporation conditions on the spatial redistribution of components in an evaporating liquid drop on a horizontal solid substrate

Tarasevich, Yuri Yu.; Isakova, O. P.; Kondukhov, V. V.; Savitskaya, A. V.

doi:10.1134/s1063784210050075

Cited by 13 publications

(6 citation statements)

References 25 publications

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“…w = 10 in all computation presented in this article. This choice gives us a good agreement with the calculated distribution at the end of the first stage of desiccation [25,26,27]. Notice, that f (0) ≈ C 0 and f (1) = 1.…”

Section: Parameters Of the Modelsupporting

confidence: 73%

“…In general, the drop height should be lower, since we consider only the second stage of desiccation, when the volume fraction of the colloidal particles reaches the critical value of Φ g near the drop edge. Nevertheless, the experiments [31] as well as the simulations [22,27] show that the first stage lasts only about 10 % of desiccation time. Taking into account linear decreasing of the drop height, we can ignore the height change.…”

Section: Parameters Of the Modelmentioning

confidence: 93%

“…Computations in [27] demonstrate, that at the begin of the second stage, the concentration in the drop center is approximately equal to the initial concentration. Notice, that in [22] the concentration in the drop center growths at the rate one and a half times.…”

Section: Parameters Of the Modelmentioning

confidence: 94%

“…The first stage was investigated in detail in the series of works [25,26,27], as well as in [22]. In the present article, we focus efforts on the second stage only.…”

Section: Introductionmentioning

confidence: 99%

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Spacial and temporal dynamics of the volume fraction of the colloidal particles inside a drying sessile drop

Tarasevich,

Vodolazskaya,

Isakova

2010

Preprint

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Using lubrication theory, drying processes of sessile colloidal droplets on a solid substrate are studied. A simple model is proposed to describe temporal dynamics both the shape of the drop and the volume fraction of the colloidal particles inside the drop. The concentration dependence of the viscosity is taken into account. It is shown that the final shapes of the drops depend on both the initial volume fraction of the colloidal particles and the capillary number. The results of our simulations are in a reasonable agreement with the published experimental data. The computations for the drops of aqueous solution of human serum albumin (HSA) are presented.

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Section: Parameters Of the Modelsupporting

confidence: 73%

Section: Parameters Of the Modelmentioning

confidence: 93%

Section: Parameters Of the Modelmentioning

confidence: 94%

“…The first stage was investigated in detail in the series of works [25,26,27], as well as in [22]. In the present article, we focus efforts on the second stage only.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Spacial and temporal dynamics of the volume fraction of the colloidal particles inside a drying sessile drop

Tarasevich,

Vodolazskaya,

Isakova

2010

Preprint

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“…The RMS deviation of the measured data of the drop height did not exceed unity. The law of a change in the height of distilled water droplets until complete evaporation retains a linear relationship [11][12][13]. The change in the height of nanofluid droplets with concentrations of 0.1% and 0.5% is linear over the main part of the evaporation time interval.…”

Section: Experimental Conditions and Resultsmentioning

confidence: 99%

Experience in registration of evaporation of liquid drops on a substrate by the capacitive method

Kokorin

Назаров

Серов

2021

J. Phys.: Conf. Ser.

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This paper presents the results of an experimental study of the dynamics of evaporation of nanofluid droplets based on distilled water with a mass concentration of SiO2 nanoparticles of 0.1%, 0.5%, and 7% lying on a metal surface. The drop height was changed over time using original equipment, which is based on an integrated approach to the combined use of capacitive and optical recording methods. The experimental results show that the change in the height of nanofluid droplets with concentrations of 0.1%, 0.5%, and 7% is linear over the main part of the evaporation time interval. A deviation from the linear law is observed at the final stage, at the time interval of complete evaporation. The time for complete evaporation of droplets of nanofluids with a concentration of 0.1% increases by 20%, for droplets with a concentration of 0.5%, it increased by 28% in comparison with the evaporation of droplets of the base liquid. The particle concentration of 7% does not lead to an increase in the evaporation time of droplets in comparison with the evaporation of low concentration droplets. Before the formation of a jelly-like residue of nanoparticles, the evaporation rate of droplets with a particle concentration of 7% is comparable to the evaporation rate of droplets with a concentration of 0.1%.

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Desiccating colloidal sessile drop: dynamics of shape and concentration

2011

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Effect of evaporation conditions on the spatial redistribution of components in an evaporating liquid drop on a horizontal solid substrate

Cited by 13 publications

References 25 publications

Spacial and temporal dynamics of the volume fraction of the colloidal particles inside a drying sessile drop

Spacial and temporal dynamics of the volume fraction of the colloidal particles inside a drying sessile drop

Experience in registration of evaporation of liquid drops on a substrate by the capacitive method

Desiccating colloidal sessile drop: dynamics of shape and concentration

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