Results 21 to 30 of about 71,920 (208)
Galactic dynamo action in presence of stochastic alpha and shear [PDF]
, 2008 Using a one-dimensional $\alpha\omega$-dynamo model appropriate to galaxies, we study the possibility of dynamo action driven by a stochastic alpha effect and shear.
Blackman +31 more
core +1 more source
Dynamic Modeling of Indole Glucosinolate Hydrolysis and Its Impact on Auxin Signaling
Frontiers in Plant Science, 2018 Plants release chemicals to deter attackers. Arabidopsis thaliana relies on multiple defense compounds, including indol-3-ylmethyl glucosinolate (I3G), which upon hydrolysis initiated by myrosinase enzymes releases a multitude of bioactive compounds ...
Daniel Vik +4 more
doaj +1 more source
Theoretical study of the ionospheric dynamo region inside the South Atlantic Anomaly
Earth and Planetary Physics, 2023 The South Atlantic Anomaly (SAA) is a region where the geomagnetic field is significantly lower than that of the surrounding area. On the basis of the models of CHAOS-7.8, Mass Spectrometer Incoherent Scatter Model (NRLMSISE-00), and International ...
SiQi Yi +7 more
doaj +1 more source
Contributions to the theory of a two-scale homogeneous dynamo experiment [PDF]
, 2002 The principle of the Karlsruhe dynamo experiment is closely related to that of the Roberts dynamo working with a simple fluid flow which is, with respect to proper Cartesian co-ordinates x, y and z, periodic in x and y and independent of z.
Brandenburg, Axel, Raedler, Karl-Heinz
core +1 more source
Can a Dynamo Mechanism Act at the Magnetopauses of Magnetic Rapidly Rotating Exoplanets?
Fluids, 2022 An astrophysical dynamo converts the kinetic energy of fluids into magnetic energy. Dynamo is a non-local process. Here, we consider whether a dynamo can operate at the magnetopauses of magnetic rapidly rotating planets.
Elena Belenkaya
doaj +1 more source
Nonlinearity in a dynamo [PDF]
, 2009 Using a rotating flat layer heated from below as an example, we consider effects which lead to stabilizing an exponentially growing magnetic field in magnetostrophic convection in transition from the kinematic dynamo to the full non-linear dynamo.
Cattaneo F +9 more
core +1 more source
, 2007 The theory of planetary dynamos and its applications to observed phenomena of planetary magnetism are outlined. It is generally accepted that convection flows driven by thermal or compositional buoyancy are the most likely source for the sustenance of global planetary magnetic fields.
Busse, F. H., Simitev, R. D.
openaire +2 more sources
Axisymmetric dynamo action is possible with anisotropic conductivity
Physical Review Research, 2020 A milestone of dynamo theory is Cowling's theorem, known in its modern form as the impossibility for an axisymmetric velocity field to generate an axisymmetric magnetic field by dynamo action.
Franck Plunian, Thierry Alboussière
doaj +1 more source
Buildings, 2020 Windows account for a significant proportion of the total energy lost in buildings. The interaction of window type, Window-to-Wall Ratio (WWR) scheduled and window placement height influence natural lighting and heat transfer through windows.
Zixuan Chen +3 more
doaj +1 more source
Duskside F-region dynamo currents: its relationship with prereversal enhancement of vertical plasma drift [PDF]
Annales Geophysicae, 2010 From magnetic field observations by CHAMP we estimate F-region dynamo current densities near the sunset terminator during solar maximum years from 2001 to 2002.
J. Park +4 more
doaj +1 more source