Retraction and freezing of a water film on ice

Thiévenaz, Virgile; Josserand, Christophe; Séon, Thomas

doi:10.1103/physrevfluids.5.041601

Cited by 32 publications

(24 citation statements)

References 38 publications

(35 reference statements)

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“…-When a water drop impacts a cold solid surface, it spreads under its own inertia and can freeze simultaneously. The solidification eventually yields a splat of ice, whose various possible shapes are set by the competition between the flow and the freezing [1].…”

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confidence: 99%

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Freezing-damped impact of a water drop

Thiévenaz¹,

Séon²,

Josserand³

2020

EPL

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We experimentally investigate the effect of freezing on the spreading of a water drop. Whenever a water drop impacts a cold surface, whose temperature is lower than 0 °C, a thin layer of ice grows during the spreading. This freezing has a notable effect on the impact: at given Reynolds and Weber numbers, we show that lowering the surface temperature reduces the drop maximal extent. Using an analogy between this ice layer and the viscous boundary layer, which also grows during the spreading, we are able to model the effect of freezing as an effective viscosity. The scaling laws designed for viscous drop impact can therefore be applied to such a solidification problem, avoiding the recourse to a full and complex modelling of the thermal dynamics.

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confidence: 99%

“…Simultaneously, a flat layer of ice grows from the substrate upward, and after typically one second, the drop is completely frozen. It forms a frozen splat of radius R max , according to the mechanisms described in Refs [1,22].…”

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confidence: 99%

Freezing-damped impact of a water drop

Thiévenaz¹,

Séon²,

Josserand³

2020

EPL

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“…A possible explanation for this effect is the difference of wetting properties of water on metal and on ice (Thiévenaz et al. 2020). Before freezing, the water rivulet has a given width on the metal (Towell & Rothfeld 1966), then it freezes and an ice structure grows on the metal.…”

Section: Physical Analysismentioning

confidence: 99%

“…The width of a rivulet being a balance between the flow rate, the surface tension and the contact angle, it suggests that there is an evolution of the contact angle during the experiment (Thiévenaz et al. 2020). We also notice in the picture a small entrance zone where the width varies along the flow.…”

Section: Physical Analysismentioning

confidence: 99%

“…2014; Boulogne & Salonen 2020). If a drop impacts a cold substrate, the obtained frozen shape is the result of the complex interplay between freezing dynamics and capillary hydrodynamics (Ghabache, Josserand & Séon 2016; Thiévenaz, Séon & Josserand 2019; Thiévenaz, Josserand & Séon 2020; Thiévenaz, Séon & Josserand 2020). The situation where ice accretes due to multiple drop impacts can be encountered in many practical contexts such as ice formation on planes (Cebeci & Kafyeke 2003; Baumert et al.…”

Section: Problem Introductionmentioning

confidence: 99%

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Solidification of a rivulet: shape and temperature fields

et al. 2021

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Liquid encapsulation in a freezing sessile drop

Lyu,

Zhu,

Legendre

et al. 2023

Droplet

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During the solidification of a sessile drop, the effect of heat exchange from the gaseous environmental medium is generally ignored. However, by combining experimental observations, direct numerical simulations, and a theoretical model, we have demonstrated that the environmental medium, particularly one with high thermal conductivity such as a liquid, has nonnegligible heat exchange with both the drop and the substrate, leading to accelerated cooling of the outer surface of the sessile drop. Consequently, it causes alterations in the geometry of the freezing front and ultimately results in the formation of a solidified shell that encloses the drop. Furthermore, the encapsulated liquid continues to solidify, which induces volume change and consequently changes the final outcome of the freezing process. This study highlights the importance of considering the properties of the environmental medium and provides novel strategies to manipulate the freezing rate and reshape the morphology of the solidified drop.

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Retraction and freezing of a water film on ice

Cited by 32 publications

References 38 publications

Freezing-damped impact of a water drop

Freezing-damped impact of a water drop

Solidification of a rivulet: shape and temperature fields

Liquid encapsulation in a freezing sessile drop

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