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Numerical simulation of dip-coating in the evaporative regime

Overview of attention for article published in European Physical Journal E -- Soft Matter, February 2016
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Title
Numerical simulation of dip-coating in the evaporative regime
Published in
European Physical Journal E -- Soft Matter, February 2016
DOI 10.1140/epje/i2016-16019-4
Pubmed ID
Authors

Mohar Dey, Frédéric Doumenc, Béatrice Guerrier

Abstract

A hydrodynamic model is used for numerical simulations of a polymer solution in a dip-coating-like experiment. We focus on the regime of small capillary numbers where the liquid flow is driven by evaporation, in contrast to the well-known Landau-Levich regime dominated by viscous forces. Lubrication approximation is used to describe the flow in the liquid phase. Evaporation in stagnant air is considered (diffusion-limited evaporation), which results in a coupling between liquid and gas phases. Self-patterning due to the solutal Marangoni effect is observed for some ranges of the control parameters. We first investigate the effect of evaporation rate on the deposit morphology. Then the role of the spatial variations in the evaporative flux on the wavelength and mean thickness of the dried deposit is ascertained, by comparing the 2D and 1D diffusion models for the gas phase. Finally, for the very low substrate velocities, we discuss the relative importance of diffusive and advective components of the polymer flux, and consequences on the choice of the boundary conditions.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 13 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Netherlands 1 8%
Unknown 12 92%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 4 31%
Student > Master 3 23%
Student > Doctoral Student 2 15%
Other 1 8%
Researcher 1 8%
Other 2 15%
Readers by discipline Count As %
Engineering 4 31%
Physics and Astronomy 2 15%
Unspecified 2 15%
Materials Science 2 15%
Chemical Engineering 2 15%
Other 1 8%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 February 2016.
All research outputs
#11,589,661
of 13,045,152 outputs
Outputs from European Physical Journal E -- Soft Matter
#384
of 447 outputs
Outputs of similar age
#223,786
of 267,307 outputs
Outputs of similar age from European Physical Journal E -- Soft Matter
#9
of 13 outputs
Altmetric has tracked 13,045,152 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 447 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.9. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 13 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.