On a tweezer for droplets

John W.M. Bush; François Peaudecerf; Manu Prakash; David Quéré

doi:10.1016/j.cis.2010.01.002

On a tweezer for droplets

John W.M. Bush
, François Peaudecerf
, Manu Prakash
, David Quéré

Résultats de recherche: Contribution à un journal › Article de révision › Revue par des pairs

Résumé

We describe the physics behind a peculiar feeding mechanism of a certain class of shorebirds, in which they transport their prey in droplets from their beak tips mouthwards. The subtle interplay between the drop and the beak's tweezering motion allows the birds to defy gravity through driving the drop upwards. This mechanism provides a novel example of dynamic boundary-driven drop motion, and suggests how to design tweezers for drops, able to trap and to move small amounts of liquid.

langue originale	Anglais
Pages (de - à)	10-14
Nombre de pages	5
journal	Advances in Colloid and Interface Science
Volume	161
Numéro de publication	1-2
Les DOIs	https://doi.org/10.1016/j.cis.2010.01.002
état	Publié - 15 déc. 2010
Modification externe	Oui

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10.1016/j.cis.2010.01.002

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abstract = "We describe the physics behind a peculiar feeding mechanism of a certain class of shorebirds, in which they transport their prey in droplets from their beak tips mouthwards. The subtle interplay between the drop and the beak's tweezering motion allows the birds to defy gravity through driving the drop upwards. This mechanism provides a novel example of dynamic boundary-driven drop motion, and suggests how to design tweezers for drops, able to trap and to move small amounts of liquid.",

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AU - Bush, John W.M.

AU - Peaudecerf, François

AU - Prakash, Manu

AU - Quéré, David

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Y1 - 2010/12/15

N2 - We describe the physics behind a peculiar feeding mechanism of a certain class of shorebirds, in which they transport their prey in droplets from their beak tips mouthwards. The subtle interplay between the drop and the beak's tweezering motion allows the birds to defy gravity through driving the drop upwards. This mechanism provides a novel example of dynamic boundary-driven drop motion, and suggests how to design tweezers for drops, able to trap and to move small amounts of liquid.

AB - We describe the physics behind a peculiar feeding mechanism of a certain class of shorebirds, in which they transport their prey in droplets from their beak tips mouthwards. The subtle interplay between the drop and the beak's tweezering motion allows the birds to defy gravity through driving the drop upwards. This mechanism provides a novel example of dynamic boundary-driven drop motion, and suggests how to design tweezers for drops, able to trap and to move small amounts of liquid.

KW - Capillary ratchet

KW - Contact angle hysteresis

KW - Self-propulsion

UR - https://www.scopus.com/pages/publications/78149280862

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DO - 10.1016/j.cis.2010.01.002

M3 - Review article

AN - SCOPUS:78149280862

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IS - 1-2

ER -

On a tweezer for droplets

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