Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

Online ISSN 1552-4485; Print ISSN 0033-569X



Nonlinear electrohydrodynamic instability of a jet

Authors: R. Kant and S. K. Malik
Journal: Quart. Appl. Math. 43 (1986), 407-419
MSC: Primary 76E25; Secondary 76X05
DOI: https://doi.org/10.1090/qam/846153
MathSciNet review: 846153
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Abstract: A weakly nonlinear theory of an electrohydrodynamic jet held together by capillary forces is investigated. The evolution of two-dimensional wave packets on the surface of the jet is shown to be governed by a nonlinear Schrödinger equation. It is found that the wave train of constant amplitude is unstable against modulation. The instability sets in at higher wave numbers as compared to the case of an unelectrified jet.

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DOI: https://doi.org/10.1090/qam/846153
Article copyright: © Copyright 1986 American Mathematical Society

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