Matched asymptotic expansion calculation of the equilibrium shape of a hole in a thin liquid film
Author:
S. B. G. O’Brien
Journal:
Quart. Appl. Math. 57 (1999), 453-464
MSC:
Primary 76A20; Secondary 34E05, 76B45, 76M45
DOI:
https://doi.org/10.1090/qam/1704451
MathSciNet review:
MR1704451
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Abstract: We consider the occurrence of small axisymmetric pinholes in an otherwise uniform infinite thin liquid film. Corresponding to any particular undisturbed film thickness there exists precisely one (unstable) equilibrium solution reflecting a balance between surface tension and gravity effects. If a pinhole is smaller than this critical size the pinhole tends to close over and “heal". If a pinhole is larger it tends to open out. So determination of this critical hole size is crucial. We examine this problem in the case of a “small” pinhole where the fundamental length-scale in the film is much smaller than the capillary length. Solutions are obtained using matched asymptotic expansions for which several different scalings are necessary.
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J. H. Lammers and S. B. G. O’Brien, Effects of evaporation during spin-coating, Proceedings of the First European Coating Symposium, Leeds, 1996, pp. 397–405
P. S. de Laplace, Mechanique Celestique, Suppl. au X Livre, Coureier, Paris, 1805
J. A. Moriarty, L. W. Schwartz, and E. A. Tuck, Unsteady spreading of thin liquid films with small surface tension, J. Colloid Interface Sci. 161, 335–342 (1993)
- S. B. G. O’Brien, On the shape of small sessile and pendant drops by singular perturbation techniques, J. Fluid Mech. 233 (1991), 519–537. MR 1140089, DOI https://doi.org/10.1017/S0022112091000587
S. B. G. O’Brien, Asymptotic solutions for double pendant and extended sessile drops, Quarterly of Applied Mathematics LII, 43–48 (1994)
P. J. Slikkerveer, E. P. van Lohuizen, and S. B. G. O’Brien, An implicit surface tension algorithm, Internat. J. Numer. Methods in Fluids 222, 851–865 (1996)
G. I. Taylor and D. H. Michael, On making holes in a sheet of fluid, J. Fluid Mech. 58, 625–639 (1973)
S. B. G. O’Brien, Asymptotics of a pinhole, J. College Internat. Sci. 191, 514–516 (1997)
M. Van Dyke, Perturbation methods in fluid mechanics, Academic Press, 1964
S. Hartland and R. W. Hartley, Axisymmetric fluid-liquid interfaces, Elsevier, 1976
P. A. Lagerstrom and R. G. Casten, Basic concepts underlying singular perturbation techniques, SIAM Review 14, 63–120 (1972)
D. F. James, The meniscus on the outside of a small circular cylinder, J. Fluid Mech. 63, 659–669 (1974)
J. Kevorkian and J. D. Cole, Perturbation Methods in Applied Mathematics, Springer-Verlag, New York, 1981
J. H. Lammers and S. B. G. O’Brien, Effects of evaporation during spin-coating, Proceedings of the First European Coating Symposium, Leeds, 1996, pp. 397–405
P. S. de Laplace, Mechanique Celestique, Suppl. au X Livre, Coureier, Paris, 1805
J. A. Moriarty, L. W. Schwartz, and E. A. Tuck, Unsteady spreading of thin liquid films with small surface tension, J. Colloid Interface Sci. 161, 335–342 (1993)
S. B. G. O’Brien, On the shape of small sessile and pendant drops by singular perturbation techniques, J. Fluid Mech. 233, 519–539 (1991)
S. B. G. O’Brien, Asymptotic solutions for double pendant and extended sessile drops, Quarterly of Applied Mathematics LII, 43–48 (1994)
P. J. Slikkerveer, E. P. van Lohuizen, and S. B. G. O’Brien, An implicit surface tension algorithm, Internat. J. Numer. Methods in Fluids 222, 851–865 (1996)
G. I. Taylor and D. H. Michael, On making holes in a sheet of fluid, J. Fluid Mech. 58, 625–639 (1973)
S. B. G. O’Brien, Asymptotics of a pinhole, J. College Internat. Sci. 191, 514–516 (1997)
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Article copyright:
© Copyright 1999
American Mathematical Society