The motion of a foam lamella traversing an idealised bi-conical pore with a rounded central region

D. J. Ferguson; S. J. Cox

doi:10.1016/j.colsurfa.2013.02.015

The motion of a foam lamella traversing an idealised bi-conical pore with a rounded central region

D. J. Ferguson^*, S. J. Cox

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163 Wedi eu Llwytho i Lawr (Pure)

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The non-smooth motion of a single foam lamella traversing an idealised rock pore can lead to a significant pressure drop. We vary two parameters defining the shape of a biconical pore in two dimensions, and use Surface Evolver simulations and geometric arguments to demarcate the four different types of possible motion. We predict the transitions between different-shaped pores in which the lamella makes a symmetric or an asymmetric jump, an asymmetric crawl, or undergoes smooth motion. We give the time-averaged pressure drop as a function of pore shape. (C) 2013 Elsevier B.V. All rights reserved.

Iaith wreiddiol	Saesneg
Tudalennau (o-i)	56-62
Nifer y tudalennau	7
Cyfnodolyn	Colloids and Surfaces A: Physicochemical and Engineering Aspects
Cyfrol	438
Dyddiad ar-lein cynnar	21 Chwef 2013
Dynodwyr Gwrthrych Digidol (DOIs)	https://doi.org/10.1016/j.colsurfa.2013.02.015
Statws	Cyhoeddwyd - 05 Rhag 2013

Mynediad at Ddogfen

10.1016/j.colsurfa.2013.02.015

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D.J. Ferguson and S.J. Cox (2013) The motion of a foam lamella traversing an idealised bi-conical pore with a rounded central region, Coll. Surf. A 438: 56-62.
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http://hdl.handle.net/2160/13569

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title = "The motion of a foam lamella traversing an idealised bi-conical pore with a rounded central region",

abstract = "The non-smooth motion of a single foam lamella traversing an idealised rock pore can lead to a significant pressure drop. We vary two parameters defining the shape of a biconical pore in two dimensions, and use Surface Evolver simulations and geometric arguments to demarcate the four different types of possible motion. We predict the transitions between different-shaped pores in which the lamella makes a symmetric or an asymmetric jump, an asymmetric crawl, or undergoes smooth motion. We give the time-averaged pressure drop as a function of pore shape. (C) 2013 Elsevier B.V. All rights reserved.",

keywords = "Foam, Porous media, Surface Evolver, Pressure drop, MOBILIZATION PRESSURE-GRADIENT, POROUS-MEDIA, FLOWING FOAMS, VISCOSITY, CHANNELS, FILMS, TUBES",

author = "Ferguson, {D. J.} and Cox, {S. J.}",

note = "Ferguson, D. J., Cox, S. J. (2013). The motion of a foam lamella traversing an idealised bi-conical pore with a rounded central region. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 438, 56-62",

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doi = "10.1016/j.colsurfa.2013.02.015",

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AU - Cox, S. J.

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N2 - The non-smooth motion of a single foam lamella traversing an idealised rock pore can lead to a significant pressure drop. We vary two parameters defining the shape of a biconical pore in two dimensions, and use Surface Evolver simulations and geometric arguments to demarcate the four different types of possible motion. We predict the transitions between different-shaped pores in which the lamella makes a symmetric or an asymmetric jump, an asymmetric crawl, or undergoes smooth motion. We give the time-averaged pressure drop as a function of pore shape. (C) 2013 Elsevier B.V. All rights reserved.

AB - The non-smooth motion of a single foam lamella traversing an idealised rock pore can lead to a significant pressure drop. We vary two parameters defining the shape of a biconical pore in two dimensions, and use Surface Evolver simulations and geometric arguments to demarcate the four different types of possible motion. We predict the transitions between different-shaped pores in which the lamella makes a symmetric or an asymmetric jump, an asymmetric crawl, or undergoes smooth motion. We give the time-averaged pressure drop as a function of pore shape. (C) 2013 Elsevier B.V. All rights reserved.

KW - Foam

KW - Porous media

KW - Surface Evolver

KW - Pressure drop

KW - MOBILIZATION PRESSURE-GRADIENT

KW - POROUS-MEDIA

KW - FLOWING FOAMS

KW - VISCOSITY

KW - CHANNELS

KW - FILMS

KW - TUBES

UR - http://hdl.handle.net/2160/13569

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DO - 10.1016/j.colsurfa.2013.02.015

M3 - Article

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JO - Colloids and Surfaces A: Physicochemical and Engineering Aspects

JF - Colloids and Surfaces A: Physicochemical and Engineering Aspects

ER -

The motion of a foam lamella traversing an idealised bi-conical pore with a rounded central region

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