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Dynamo theory

On the Path from the Turbulent Vortex Dynamo Theory to Diagnosis of Tropical Cyclogenesis

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 ...

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Electro Dynamo Theory of Gravity (g)

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. ...

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Destabilization by noise of tranverse perturbations to heteroclinic cycles: a simple model and an example from dynamo theory

Destabilization by noise of tranverse perturbations to heteroclinic cycles: a simple model and an example from dynamo theory

... ing eigenfunctions. Non-normality of the transverse dynamics favours the instabil- ity, since the instability mechanism depends on constructive interactions between transiently growing solutions. In some ways the ...

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Two-state intermittency near a symmetric interaction of saddle-node and Hopf bifurcations: a case study from dynamo theory

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] ...

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A theory of the Earth’s magnetic field and of sunspots, based on a self-excited dynamo incorporating the Hall effect

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 ...

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Heat Flux Modulation in Domino Dynamo Model

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 ...

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Direct numerical simulations of helical dynamo action: MHD and beyond

Direct numerical simulations of helical dynamo action: MHD and beyond

... decades dynamo theory made significant ad- vances, pushed forward by the positive feedback from di- rect numerical simulations (DNS), and the growing power of ...of dynamo action was first studied ...

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Magnetohydrodynamic drift equations : from Langmuir circulations to magnetohydrodynamic dynamo?

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 & ...

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Kinematic fast dynamo problem

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 ...

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Kinematic dynamo action in square and hexagonal patterns

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 ...

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Laboratory evidence of dynamo amplification of magnetic fields in a turbulent plasma

Laboratory evidence of dynamo amplification of magnetic fields in a turbulent plasma

... Proposal No. 57789 to Argonne National Laboratory, grants no. DE-NA0002724 and DE-SC0016566 to the University of Chicago, DE-NA0003539 to the Massachusetts Institute of Technology, and Cooperative Agreement DE-NA0001944 ...

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Kinematic dynamo action in a sphere. II. Symmetry selection

Kinematic dynamo action in a sphere. II. Symmetry selection

... by dynamo action in their electrically conducting ...for dynamo genera- tion of steady ­elds with axial dipole symmetry by solving the kinematic dynamo ...dynamical dynamo because the ®ows ...

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Power Generation in Automobiles by using Regenerative Clutch with Dynamo

Power Generation in Automobiles by using Regenerative Clutch with Dynamo

... electric dynamo uses rotating coils of wire and magnetic fields to convert mechanical rotation into a pulsing direct electric current through Faraday's law of ...A dynamo machine consists of a stationary ...

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A Multiscale Dynamo Model Driven by Quasi-geostrophic Convection

A Multiscale Dynamo Model Driven by Quasi-geostrophic Convection

... Soward dynamo model (denoted by CSDM), since they were first discussed by Childress & Soward (1972) and the only difference between the two models is the strength of the magnetic ...

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Dynamo action in a quasi-Keplarian Taylor-Couette flow

Dynamo action in a quasi-Keplarian Taylor-Couette flow

... by dynamo action, in which the motion of electrically conducting fluid stretches and thereby amplifies some original seed ...of dynamo action then becomes a linear instability problem, with the electrical ...

5

Multistability and bifurcations in a 5D segmented disc dynamo with a curve of equilibria

Multistability and bifurcations in a 5D segmented disc dynamo with a curve of equilibria

... Multistability, i.e., coexisting attractors, is one of the most exciting phenomena in dynamical systems. This paper presents a new category of coexisting hidden attractor: five-dimensional (5D) systems with a curve of ...

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Mirror, dynamo or lens? Drama, children and social change

Mirror, dynamo or lens? Drama, children and social change

... Rather than creating an illusion for an audience of ‘peeping toms’ (as Artaud (1938) once described the naturalistic theatre’s patrons), Brecht kept reminding his audience that they were engaging with an ‘artifice’ a ...

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Bifurcation analysis and integrability in the segmented disc dynamo with mechanical friction

Bifurcation analysis and integrability in the segmented disc dynamo with mechanical friction

... disc dynamo has been proposed as a simple prototype capable of dynamo action, which is deemed to be similar to the mechanism in both the convective envelope of the Sun and in the inner core of the ...disc ...

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Dynamo Swim Club MONTHLY SWIMMERS EAR MARCH, 2008

Dynamo Swim Club MONTHLY SWIMMERS EAR MARCH, 2008

... swimmers may think that 200 laps (5000 yards) in 2 hours is unattainable, but think again! It is a remarkable feat that serves to recognize and challenge our children. I challenge Dynamo family members to work at ...

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Observations of non-solar-type dynamo processes in stars with shallow convective zones

Observations of non-solar-type dynamo processes in stars with shallow convective zones

... the dynamo processes that generate the magnetic activity observed in the Sun and solar-type ...these dynamo processes evolve in stars with shallow convective zones, we present high-resolution ...

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