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Transition of an electromagnetically driven liquid metal flow from laminar to turbulent in a toroidal square duct
dc.creator | Iatridis, A. I. | en |
dc.creator | Sarris, I. E. | en |
dc.creator | Vlachos, N. S. | en |
dc.date.accessioned | 2015-11-23T10:30:13Z | |
dc.date.available | 2015-11-23T10:30:13Z | |
dc.date.issued | 2013 | |
dc.identifier | 10.1209/0295-5075/101/44005 | |
dc.identifier.issn | 0295-5075 | |
dc.identifier.uri | http://hdl.handle.net/11615/28530 | |
dc.description.abstract | The electromagnetically driven liquid metal flow in a toroidal duct of a square cross-section is studied numerically searching for the critical Reynolds (Re) and Hartmann (Ha) numbers where transition occurs. Results are reported for Ha up to 500, building a transition map of critical Reynolds and Hartmann numbers and showing two distinct regimes of transition signified by the destabilization of the secondary flow: The first, for Ha < 18, where the Lorentz force is balanced by fluid momentum diffusion and the second, for Ha >= 18, where it is balanced by fluid inertia. In both cases, the destabilization of the secondary flow occurs primarily near the concave sidewall. For Ha >= 18 the transition follows approximately the relationship Re = 16.803 Ha(1.43) for values of Re and Ha in the range 80 < Re/Ha < 224. Copyright (C) EPLA, 2013 | en |
dc.source | Epl | en |
dc.source.uri | <Go to ISI>://WOS:000315999100012 | |
dc.subject | HARTMANN LAYER | en |
dc.subject | MAGNETOHYDRODYNAMIC FLOW | en |
dc.subject | INSTABILITY | en |
dc.subject | Physics, Multidisciplinary | en |
dc.title | Transition of an electromagnetically driven liquid metal flow from laminar to turbulent in a toroidal square duct | en |
dc.type | journalArticle | en |
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