Detection of a flow induced magnetic field eigenmode in the Riga dynamo facility
classification
⚛️ physics.flu-dyn
astro-phphysics.gen-phphysics.geo-phphysics.plasm-ph
keywords
dynamoeigenmodefacilityfieldmagneticrigaadditionalbeen
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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.
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