Detection of a flow induced magnetic field eigenmode in the riga dynamo facility |
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Authors: | Gailitis Lielausis Dement'ev Platacis Cifersons Gerbeth Gundrum Stefani Christen Hanel Will |
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Affiliation: | Institute of Physics, Latvian University, LV-2169 Salaspils 1, Riga, Latvia. |
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Abstract: | In a closed volume of molten sodium an intense single-vortex-like helical flow has been produced by an outside powered propeller. At a flow rate of 0.67 m(3)/s a slowly growing magnetic field eigenmode was detected. For a slightly lower flow, additional measurements showed a slow decay of this mode. The measured results correspond satisfactorily with numerical predictions for the growth rates and frequencies. |
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