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Dichotomous behavior of capillary surfaces in zero gravityA mathematical procedure is described for determining the behavior of the free surface of a fluid in static equilibrium and partly filling a cylindrical container with cross-section of general form in zero gravity. Either of two qualitatively distinct situations must prevail, depending on geometry and contact angle. Several illustrative examples are discussed, and the procedure is applied in detail to a container with a rectangular section on which the corners have been rounded, thereby determining the effect of rounding on the 'critical' contact angle that separates the two types of behavior. This last example is intended in part as a guide for application to general geometries.
Document ID
19900064606
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Concus, Paul
(California, University Berkeley, United States)
Finn, Robert
(Stanford University CA, United States)
Date Acquired
August 14, 2013
Publication Date
September 1, 1990
Publication Information
Publication: Microgravity Science and Technology
Volume: 3
ISSN: 0938-0108
Subject Category
Fluid Mechanics And Heat Transfer
Accession Number
90A51661
Funding Number(s)
CONTRACT_GRANT: DE-AC03-76SF-00098
Distribution Limits
Public
Copyright
Other

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