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RädlerFest: Alpha Effect and Beyond

14–18 Feb 2011
Wenner Gren Center
Europe/Stockholm timezone

Session

Session 15

17 Feb 2011, 14:00
Wenner-Gren Center, floor 7, Hörsalen (Wenner Gren Center)

Wenner-Gren Center, floor 7, Hörsalen

Wenner Gren Center

Sveavägen 164 SE-113 46 Stockholm Sweden

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  1. 287. Proxies of mean magnetic field and α-effect from solar vector magnetic fields
    Dr Kirill Kuzanyan (IZMIRAN, Russia)
    17/02/2011, 14:00
    My scientific interests comprise solar and stellar dynamos, their observational manifestations and simple models enabling to reproduce observational data. Thorough analysis of recently available data of systematic ground-based and space-born observational instruments enable us with higher order moments of magnetic field such as helicities. Simple models based of WKB asymptotics within...
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  2. 288. Dynamo-driven plasmoid ejections above a spherical surface
    Mr Jörn Warnecke (Nordita)
    17/02/2011, 14:30
    Magnetic buoyancy is believed to drive the transport of magnetic flux tubes from the convection zone to the surface of the Sun. The magnetic fields form twisted loop-like structures in the solar atmosphere. In this paper we use helical forcing to produce a large-scale dynamo-generated magnetic field, which rises even without magnetic buoyancy. A two layer system is used as computational...
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  3. 289. Multiscale α2 dynamo model
    Dr Rodion Stephanov
    17/02/2011, 14:50
  4. 290. α2 dynamo with SPH
    Mr Federico STASYSZYN
    17/02/2011, 15:10
    We are able to reproduce analitical resultrs from Meinel (1990) of Alfa^2 dynamo in Gadget, an SPH code.
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