Viscous force exerted on a foam at a solid boundary : influence of the liquid fraction and of the bubble size.

We study experimentally the pressure drop needed to push a bubble train in a millimetric channel, as a function of the velocity. For dry liquid foams, the influence of the amount of liquid and of the bubble size is pointed out and we predict theoretically that this influence is closely related to the power law obtained for the force/velocity relation. This model is in fair agreement with our experimental data and provides a new interpretation of previous results.

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Additional Info

Field	Value
Source	ISSN: 0295-5075
Author	Terriac, Emmanuel, Etrillard, Janine, Cantat, Isabelle
Maintainer	CCSD
Last Updated	May 5, 2026, 20:47 (UTC)
Created	May 5, 2026, 20:47 (UTC)
Identifier	hal-00096588
Language	en
Rights	https://about.hal.science/hal-authorisation-v1/
contributor	Groupe matière condensée et matériaux (GMCM) ; Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS)
creator	Terriac, Emmanuel
date	2006-05-05T00:00:00
harvest_object_id	1da699f5-6482-42f0-bdeb-ffe97a554057
harvest_source_id	3374d638-d20b-4672-ba96-a23232d55657
harvest_source_title	test moissonnage SELUNE
metadata_modified	2024-07-16T00:00:00
relation	info:eu-repo/semantics/altIdentifier/arxiv/cond-mat/0609466
set_spec	type:ART