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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/62431

Title: Stabilizing effect of a magnetic field on a gas bubble produced at a microelectrode
Author: MOEBIUS, MATTHIAS
COEY, JOHN MICHAEL DAVID
MEAGHER, AARON
FERNANDEZ, DAMARIS
Sponsor: 
Name Grant Number
2005/IN/1850
10/IN.1/I3002

Author's Homepage: http://people.tcd.ie/jcoey
http://people.tcd.ie/mobiusm
http://people.tcd.ie/dafernan
Keywords: Fluid Dynamics
Magnetoconvection
Issue Date: 2012
Publisher: Elsevier
Citation: D. Fernández, M. Martine, A. Meagher, M.E. Möbius, J.M.D. Coey, Stabilizing effect of a magnetic field on a gas bubble produced at a microelectrode, Electrochemistry Communications, 18, 2012, 28 32
Series/Report no.: Electrochemistry Communications;
18;
Abstract: The effect on the growth of a single hydrogen bubble of a magnetic field oriented normal to the surface of a microelectrode is investigated. Overpotential oscillations due to periodic growth and detachment of bubbles are correlated with high-speed camera images and particle tracking was used to follow the flow pattern. The bubbles on both horizontal and vertical microelectrodes grow bigger in the field, doubling in diameter before they break away in 5 tesla. The effect is related to the influence of the magnetic field on the breakoff mechanism rather than to Ekman pumping driven by the Lorentz force.
Description: PUBLISHED
URI: http://hdl.handle.net/2262/62431
Related links: http://dx.doi.org/10.1016/j.elecom.2012.01.016
Appears in Collections:Physics (Scholarly Publications)

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