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Magneto-hydrodynamic stability of a liquid metal battery in discharge

Magneto-hydrodynamic stability of a liquid metal battery in discharge

Tucs, A., Bojarevics, V. and Pericleous, K. ORCID: 0000-0002-7426-9999 (2018) Magneto-hydrodynamic stability of a liquid metal battery in discharge. EPL (Europhysics Letters), 124 (2):24001. ISSN 0295-5075 (Print), 1286-4854 (Online) (doi:https://doi.org/10.1209/0295-5075/124/24001)

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Abstract

All liquid three layer batteries are intended as large scale electrical energy storage. The paper investigates long wave interfacial instabilities driven by the electromagnetic forces during dynamic phases of the battery charging/discharging. The liquid metal battery of 20 cm size with sodium metal anode, which is a candidate for experimental and commercial implementation, is shown to be unstable at the discharge state when the top metal layer depth is reduced below a critical level. The numerical model includes the effects of viscous friction and the horizontal wave velocities. The instability does not depend on the initial interface perturbation type.

Item Type: Article
Uncontrolled Keywords: Hydrodynamic waves, Magnetohydrodynamics and electrohydrodynamics
Subjects: Q Science > QA Mathematics
Faculty / Department / Research Group: Faculty of Architecture, Computing & Humanities
Faculty of Architecture, Computing & Humanities > Centre for Numerical Modelling & Process Analysis (CNMPA)
Faculty of Architecture, Computing & Humanities > Centre for Numerical Modelling & Process Analysis (CNMPA) > Computational Science & Engineering Group (CSEG)
Faculty of Architecture, Computing & Humanities > Department of Mathematical Sciences
Last Modified: 02 Mar 2019 15:53
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/22231

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