Dynamo theory (Cosmic physics)
On the Path from the Turbulent Vortex Dynamo Theory to Diagnosis of Tropical Cyclogenesis
... vortex dynamo to the study of tropical cyclogenesis. The dynamo effect is related to the special properties of small-scale helical turbulence with the broken mirror symmetry and was hy- pothesized to result ...
29
Electro Dynamo Theory of Gravity (g)
... ration. Dr. Albert Einstein correctly pointed out that gravity is an acceleration, and my research, calculations and systematic analysis have proven his claim. Einstein was accurate in his elevator thought experiment. ...
17
Destabilization by noise of tranverse perturbations to heteroclinic cycles: a simple model and an example from dynamo theory
... the dynamo process, it is still the case that the convective states (equilibrium points) in the cycle have transverse dynamics given by non-normal matrices (see Appendix B), even when the magnetic field is fully ...
19
Two-state intermittency near a symmetric interaction of saddle-node and Hopf bifurcations: a case study from dynamo theory
... The details of the dyriarnics near the irivariarit subspaces for instance in Figure 3 reveals that the 'in' dynamics witllirl V is periodic wliile the 'out' dyrlarnics is chaotic, and so[r] ...
29
Heat Flux Modulation in Domino Dynamo Model
... the dynamo theory, which describes successive trans- formations of thermal and gravitational energy, concern- ing compositional convection, to energy of kinetic mo- tions of the conductive liquid and then ...
5
The electromotive force in multi-scale flows at high magnetic Reynolds number
... “Large-scale dynamo theory” (Steenbeck et ...this theory that is often used to describe the dynamics of astrophysical magnetic fields such as those found in planets, stars and ...
15
Kinematic dynamo action in square and hexagonal patterns
... of dynamo theory is to un- derstand the origin of large-scale magnetic fields observed in stars and ...the dynamo action re- quired certainly depends on many parameters, it is of- ten useful to study ...
15
Cosmic Power Generation and Gravity
... self-exciting dynamo at the 7th meeting of the British Association for the Advancement of Science on September 9th, ...cosmic dynamo theory for the first ...
8
Kinematic fast dynamo problem
... in dynamo theory the magnetic field reflects closely the motions of the fluid, just as the swirls of cream in a cup of coffee reveal the pattern of eddies stirred by ...fast dynamo corresponds to the ...
175
Magnetohydrodynamic drift equations : from Langmuir circulations to magnetohydrodynamic dynamo?
... (MHD) dynamo theory represents a flourishing research area, based on mean-field electrodynamics and/or on multi-scale (or homogenization) theory (see Moffatt 1978, 1983; Frisch 1985; Roberts & ...
12
Spiral structures and regularities in magnetic field variations and auroras
... This review is dedicated to one of the branches of planetary- scale research on geomagnetic field variations and the mor- phology of discrete auroral forms – the spiral distributions, which are used in geophysics for the ...
31
A theory of the Earth’s magnetic field and of sunspots, based on a self-excited dynamo incorporating the Hall effect
... Abstract. A new viewpoint on the generation and mainte- nance of the Earth’s magnetic field is put forward, which integrates self-exciting dynamo theory with the possibility of energy coupling along ...
15
Dynamo action in a quasi-Keplarian Taylor-Couette flow
... the dynamo presented here is not specific to Taylor-Couette flows but is instead generic to any Rayleigh-stable differential rotation flows, including those in accretion ...a dynamo in Rayleigh-stable flows ...
5
A Multiscale Dynamo Model Driven by Quasi-geostrophic Convection
... In the present work we have utilized a standard multiple scales asymptotic approach to develop a new multiscale dynamo model that is valid in the limit of small Rossby number. The small-scale model is ...
24
Can the Earth's dynamo run on heat alone?
... a dynamo driven purely by thermal con- ...the theory without the complications of two chemically reacting components, and to investigate claims that additional gravitational energy sources allow thermal ...
15
Quasi biennial oscillation of the ionospheric wind dynamo
... The QBO-like variation of the Sq focus latitude is highly correlated with the amplitude variations of DW 1 and DE3 tidal winds in the dynamo region... These results suggest that the vari[r] ...
43
Doppler images and the underlying dynamo: the case of AF Leporis
... The aim of this section is to use the theoretical results for the differential rotation and meridional circulation computed for a star of 1.2 M in a kinematic dynamo model to study whether we can produce a ...
18
The optimal kinematic dynamo driven by steady flows in a sphere
... Our optimisation method is designed to identify the best dynamo, but it does not answer the question “why are these flows so efficient in generating dynamos?” quanti- tatively. Obtaining and analysing the optimal ...
31
Dynamo action in a quasi-Keplerian Taylor-Couette flow
... by dynamo action, in which the motion of electrically conducting fluid stretches and thereby am- plifies some original seed ...of dynamo action then becomes a lin- ear instability problem, with the ...
6
Kinematic dynamo action in a sphere. II. Symmetry selection
... of dynamo waves that propagate equatorward for positive `dynamo number’ (¬! > 0) in the North- ern Hemisphere (our point D = ¡1), giving steady dynamos with ®ux concentrated around the Equator, which ...
16