Electrohydrodynamic instabilities in polymer films
Top Cited Papers
- 1 February 2001
- journal article
- Published by IOP Publishing in Europhysics Letters
- Vol. 53 (4) , 518-524
- https://doi.org/10.1209/epl/i2001-00183-2
Abstract
We have studied the influence of electric fields on highly viscous polymer films. An electrohydrodynamic (EHD) instability causes a wave pattern with a characteristic wavelength λ, leading to an array of polymer columns which span the gap of a capacitor device. When represented as a master curve, the data is quantitatively described by an EHD model, without any adjustable parameters. Our results suggest that EHD experiments using polymer films are well suited to study non-equilibrium pattern formation in quasi-two-dimensional systems.Keywords
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