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Eigenschaften und Skalierungsgesetze von Strong-Field Dynamos
Antragsteller
Professor Dr. Ulrich Hansen
Fachliche Zuordnung
Physik des Erdkörpers
Förderung
Förderung von 2005 bis 2011
Projektkennung
Deutsche Forschungsgemeinschaft (DFG) - Projektnummer 5450948
Erstellungsjahr
2015
Zusammenfassung der Projektergebnisse
The scaling laws found in our study allow a-priori predictions of the dynamical importance of Coriolis forces for a given system. Application to the Earth’s core for example suggests that it is controlled by rotation, but much closer to the transition point than previously expected. Future studies, incorporating additional dynamical effects such as fluid compressibility, low Prandtl number, magnetic fields and more complicated geometries are necessary to account for the individual characteristics of specific natural systems.
Projektbezogene Publikationen (Auswahl)
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(2009). Boundary layer control of rotating convection systems. Nature, 457, 301–304
King, E. M., Stellmach, S., Noir, J., Hansen, U., and Aurnou, J. M.