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MiS Preprint
73/2008

Occlusion in fluid transporting tubes in a transverse gravity field

Robert Manning, Steven Collicott and Robert Finn

Abstract

When a fluid conducting tube occludes, the surface interface of the fluid becomes a stationary capillary surface spanning the tube. We extend known criteria for existence and non-existence of such a surface, to obtain an occlusion criterion for cylindrical tubes of circular section situated horizontally in a vertical gravity field. We show additionally that if the materials are such that the contact angle is small, tubes of suitable non-circular section can be designed so as not to occlude regardless of gravity.

Received:
Oct 27, 2008
Published:
Oct 29, 2008
MSC Codes:
76D45, 53A10
PACS:
68.03.Kn
Keywords:
occlusion, transporting tubes, capillarity, capillary surfaces

Related publications

Preprint
2008 Repository Open Access
Robert Manning, Steven Collicott and Robert Finn

Occlusion in fluid transporting tubes in a transverse gravity field