Detection of a flow induced magnetic field eigenmode in the Riga dynamo facility

Detection of a flow induced magnetic field eigenmode in the Riga dynamo facility

In an experiment at the Riga sodium dynamo facility, a slowly growing magnetic field eigenmode has been detected over a period of about 15 seconds. For a slightly decreased propeller rotation rate, additional measurements showed a slow decay of this mode. The measured results correspond satisfactory...

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Veröffentlicht in:arXiv.org 1999-12
Hauptverfasser: Gailitis, Agris, Lielausis, Olgerts, Dement'ev, Sergej, Platacis, Ernests, Cifersons, Arnis, Gerbeth, Gunter, Gundrum, Thomas, Stefani, Frank, Christen, Michael, Hänel, Heiko, Gotthard Will
Format: Artikel
Sprache:eng
Schlagworte:
Decay rate
Magnetic fields
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Zusammenfassung:In an experiment at the Riga sodium dynamo facility, a slowly growing magnetic field eigenmode has been detected over a period of about 15 seconds. For a slightly decreased propeller rotation rate, additional measurements showed a slow decay of this mode. The measured results correspond satisfactory with numerical predictions for the growth rates and frequencies.
ISSN:2331-8422
DOI:10.48550/arxiv.9912026