Results 111 to 120 of about 22,479 (200)

Solar Cycle Prediction

open access: yesLiving Reviews in Solar Physics, 2010
A review of solar cycle prediction methods and their performance is given, including forecasts for cycle 24. The review focuses on those aspects of the solar cycle prediction problem that have a bearing on dynamo theory.
Kristóf Petrovay
doaj  

Shedding Light on the Solar Dynamo Using Data-driven Bayesian Parameter Inference

open access: yesThe Astrophysical Journal
We use a zero-dimensional stochastic dynamo model describing the coupled oscillatory behavior of the toroidal and poloidal components of the solar magnetic field.
Simone Ulzega   +4 more
doaj   +1 more source

Solar Tachocline Confinement by the Nonaxisymmetric Modes of a Dynamo Magnetic Field

open access: yesThe Astrophysical Journal
We recently presented the first 3D numerical simulation of the solar interior for which tachocline confinement was achieved by a dynamo-generated magnetic field. In this follow-up study, we analyze the degree of confinement as the magnetic field strength
Loren I. Matilsky   +3 more
doaj   +1 more source

Two-Mode Hereditary Model of Solar Dynamo

open access: yesMathematics
The magnetic field of the Sun is formed by the mechanism of hydromagnetic dynamo. In this mechanism, the flow of the conducting medium (plasma) of the convective zone generates a magnetic field, and this field corrects the flow using the Lorentz force ...
Evgeny Kazakov   +2 more
doaj   +1 more source

The Dependence of Joy’s Law and Mean Tilt as a Function of Flux Emergence Phase

open access: yesThe Astrophysical Journal
Data from the Michelson Doppler Imager (MDI) and Helioseismic and Magnetic Imager (HMI) are analyzed from 1996 to 2023 to investigate tilt angles ( γ ) of bipolar magnetic regions and Joy’s law for Solar Cycles 23 and 24 and a portion of Cycle 25.
Lucy W. Will   +2 more
doaj   +1 more source

The Magnetic Helicity Driven Solar-Type Dynamo

open access: yesUniverse
(1) Theoretical studies have shown that large-scale vorticity generates a divergent-type helicity flux associated with small-scale magnetic fluctuations.
Valery V. Pipin
doaj   +1 more source

The solar dynamo

open access: yes, 1999
It is believed that the magnetic field of the Sun is produced by the dynamo process, which involves nonlinear interactions between the solar plasma and the magnetic field. After summarizing the main characteristics of solar magnetic fields, the basic ideas of dynamo theory are presented.
openaire   +1 more source

Turbulent dynamo in the terrestrial magnetosheath. [PDF]

open access: yesNat Commun
Vörös Z   +12 more
europepmc   +1 more source

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