Stability theory for metal pad roll in cylindrical liquid metal batteries
Stability theory for metal pad roll in cylindrical liquid metal batteries
复制标题
圆柱形液态金属电池金属垫卷稳定性理论
DOI:
10.1017/jfm.2023.238
复制
发表时间:
2023
影响因子:
3.7
通讯作者:
Nore, C.
中科院分区:
文献类型:
--
作者:
Herreman, W.;Wierzchalek, L.;Horstmann, G.M.;Cappanera, L.;Nore, C.
When liquid metal batteries are charged or discharged, strong electrical currents are passing through the three liquid layers that we find in their interior. This may result in the metal pad roll instability that drives gravity waves on the interfaces between the layers. In this paper, we investigate theoretically metal pad roll instability in idealised cylindrical liquid metal batteries that were simulated previously by Weber et al. (Phys. Fluids, vol. 29, no. 5, 2017b, 054101) and Horstmann et al. (J. Fluid Mech., vol. 845, 2018, pp. 1–35). Near the instability threshold, we expect weakly destabilised gravity waves, and in this parameter regime, we can use perturbation methods to find explicit formulas for the growth rate of all possible waves. This perturbative approach also allows us to include dissipative effects, hence we can locate the instability threshold with good precision. We show that our theoretical growth rates are in quantitative agreement with previous and new direct numerical simulations. We explain how our theory can be used to estimate a lower bound on cell size beneath which metal pad roll instability is unlikely.
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DOI:
10.1007/bf02658630
发表时间:
1977
期刊:
Metallurgical Transactions B
影响因子:
--
作者:
Thorleif Se Le
通讯作者:
Thorleif Se Le
影响因子:
3.7
作者:
A. Tučs;V. Bojarevics;K. Pericleous
通讯作者:
K. Pericleous
影响因子:
8.6
作者:
C. Nore;L. Cappanera;J. Guermond;T. Weier;W. Herreman
通讯作者:
W. Herreman
影响因子:
4.6
作者:
Zikanov, Oleg
通讯作者:
Zikanov, Oleg
DOI:
10.1209/0295-5075/121/44001
发表时间:
2018
期刊:
Europhysics Letters
影响因子:
--
作者:
S. Molokov
通讯作者:
S. Molokov