Publications Repository - Helmholtz-Zentrum Dresden-Rossendorf
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Evolution of a strong electrovortex flow in a cylindrical cell
The mechanism of poloidal flow suppression in an electrovortex flow (EVF) is verified in a liquid metal experiment and supported by numerical simulations. Beyond a certain threshold of azimuthal forcing, a strong poloidal EVF flow develops only transiently, before the centrifugal forces of the slowly generated swirl compensate the EVF-driving forces. This result shows that EVFs can become of particular importance in large-scale liquid metal batteries, especially during the switch-on regime when the transient poloidal flows can be up to two orders of magnitude stronger than those expected in the saturated regime.
Keywords: electrovortex flow
Physical Review Fluids 5(2020), 123703
- Secondary publication expected