On the lifetimes of evaporating droplets with related initial and receding contact angles

Jutta M. Stauber; Stephen Wilson; B. Duffy; Khellil Sefiane

doi:10.1063/1.4935232

On the lifetimes of evaporating droplets with related initial and receding contact angles

Jutta M. Stauber, Stephen Wilson, B. Duffy, Khellil Sefiane

School of Engineering

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

Abstract

A physically credible relationship based on the unbalanced Young force between the
initial and receding contact angles of an evaporating droplet is proposed and used to
give a complete description of the lifetime of a droplet evaporating in an idealised
stick-slide mode. In particular, it is shown that the dependence of the lifetime on the
initial contact angle is qualitatively different from that when the relationship between
the initial and receding contact angles is not taken into account.

Original language	English
Article number	122101
Number of pages	13
Journal	Physics of Fluids
Volume	27
Issue number	12
DOIs	https://doi.org/10.1063/1.4935232
Publication status	Published - 2 Dec 2015

Keywords / Materials (for Non-textual outputs)

SESSILE DROPLETS
HYDROPHOBIC SURFACES
SOLID-SURFACES
SUBSTRATE
DROPS
FLOW
LINE

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Cite this

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abstract = "A physically credible relationship based on the unbalanced Young force between theinitial and receding contact angles of an evaporating droplet is proposed and used togive a complete description of the lifetime of a droplet evaporating in an idealisedstick-slide mode. In particular, it is shown that the dependence of the lifetime on theinitial contact angle is qualitatively different from that when the relationship betweenthe initial and receding contact angles is not taken into account.",

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AU - Stauber, Jutta M.

AU - Wilson, Stephen

AU - Duffy, B.

AU - Sefiane, Khellil

PY - 2015/12/2

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N2 - A physically credible relationship based on the unbalanced Young force between theinitial and receding contact angles of an evaporating droplet is proposed and used togive a complete description of the lifetime of a droplet evaporating in an idealisedstick-slide mode. In particular, it is shown that the dependence of the lifetime on theinitial contact angle is qualitatively different from that when the relationship betweenthe initial and receding contact angles is not taken into account.

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KW - SESSILE DROPLETS

KW - HYDROPHOBIC SURFACES

KW - SOLID-SURFACES

KW - SUBSTRATE

KW - DROPS

KW - FLOW

KW - LINE

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ER -

On the lifetimes of evaporating droplets with related initial and receding contact angles

Abstract

Keywords / Materials (for Non-textual outputs)

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