Capillary surfaces in a wedge: Differing contact angles

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The possible zero-gravity equilibrium configurations of capillary surfaces u(x,y) in cylindrical containers whose sections are (wedge) domains with corners are investigated mathematically, for the case in which the contact angles on the two sides of the wedge may differ. In such a situation the behavior can depart in significant qualitative ways from that for which the contact angles on the two sides are the same. Conditions are described under which such qualitative changes must occur. Numerically computed surfaces are depicted to indicate the behavior.

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Pages: (12 p)

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Concus, P. (Lawrence Berkeley Lab., CA (United States) California Univ., Berkeley, CA (United States). Dept. of Mathematics) & Finn, R. (Stanford Univ., CA (United States). Dept. of Mathematics) April 1, 1993.

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Description

The possible zero-gravity equilibrium configurations of capillary surfaces u(x,y) in cylindrical containers whose sections are (wedge) domains with corners are investigated mathematically, for the case in which the contact angles on the two sides of the wedge may differ. In such a situation the behavior can depart in significant qualitative ways from that for which the contact angles on the two sides are the same. Conditions are described under which such qualitative changes must occur. Numerically computed surfaces are depicted to indicate the behavior.

Physical Description

Pages: (12 p)

Notes

OSTI; NTIS; GPO Dep.

Source

  • International symposium on microgravity science and application, Beijing (China), 10-13 May 1993

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  • Other: DE93013903
  • Report No.: LBL-33995
  • Report No.: CONF-9305197--1
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 6523717
  • Archival Resource Key: ark:/67531/metadc1204617

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  • April 1, 1993

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Oct. 30, 2018, 5:37 p.m.

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Concus, P. (Lawrence Berkeley Lab., CA (United States) California Univ., Berkeley, CA (United States). Dept. of Mathematics) & Finn, R. (Stanford Univ., CA (United States). Dept. of Mathematics). Capillary surfaces in a wedge: Differing contact angles, article, April 1, 1993; California. (digital.library.unt.edu/ark:/67531/metadc1204617/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.