Encyclopedia

dynamo effect

dynamo effect

[′dī·nə‚mō i‚fekt]
(geophysics)
A process in the ionosphere in which winds and the resultant movement of ionization in the geomagnetic field give rise to induced current.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
The government funds are always in scarcity, so they need to be utilised properly to create a dynamo effect.
This article deals mainly with dynamo effect and Euler potentials.
The conclusion is that [A.sub.EP] and [A.sub.MP] cannot be used interchangeably, in particular that the growth of [nabla] x [A.sub.EP] cannot be ascribed to a dynamo effect. Be that as it may, (17) suggests that [A.sub.EP] may play a role in the amplification of [nabla] x [A.sub.MP], which is not in contradiction to [27].
Hu and his colleagues made use of a recently discovered phenomenon called the spin dynamo effect, in which the precession of the spins converts microwave-frequency energy into an electric current.
The Westinghouse poly-phase system and Thomas Edison's later ac motor were two of the most significant inventions of the late 19th century, creating a dynamo effect in the rapidly industrializing nation.
A fast spin results in a powerful dynamo effect inside the star, which produces strong magnetism and high-energy surface activity.
"These magnetic fluctuations, we believe, lead to the dynamo effect in our laboratory and in the sun," Prager says.
This star must rotate rapidly in step with its orbital period, a combination that should produce a strong magnetic dynamo effect within the star.
An internal field would be produced by a dynamo effect produced within Mars' core.
The Center will focus on six coupled topics within the theme of magnetic self-organization: dynamo effects, magnetic reconnection, angular momentum transport, anomalous ion heating, magnetic chaos and transport, and magnetic helicity conservation.
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