Effect of disjoining pressure on the instability of a charged thin liquid film on a spherical rigid core |
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Authors: | A I Grigor’ev V A Koromyslov S O Shiryaeva |
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Institution: | A. I. Grigor’ev, V. A. Koromyslov and S. O. Shiryaeva |
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Abstract: | It is shown that the critical Rayleigh number which characterizes the stability of a thin charged viscous fluid film on the
surface of a rigid spherical core develops rapidly with decrease in the film thickness to 100 nm when the effect of the disjoining
pressure becomes significant. The dependence of the instability growth rate on the thickness of the fluid layer is obtained
by analyzing the dispersion relation numerically.
Yaroslavl’. Translated from Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, No. 1, pp. 102–106, January–February,
1999. |
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