Statistics – Applications
Scientific paper
Dec 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980stin...8119984i&link_type=abstract
Unknown
Statistics
Applications
Analogs, Coronal Loops, Electrodynamics, Resistance Heating, Resonance, Rlc Circuits, Stellar Coronas, Coupling, Current Density, Kinetic Energy, Magnetohydrodynamic Shear Heating, Magnetoplasmadynamics, Viscosity
Scientific paper
The electrodynamic coupling of stellar coronal loops to underlying beta velocity fields. A rigorous analysis revealed that the physics can be represented by a simple yet equivalent LRC circuit analogue. This analogue points to the existence of global structure oscillations which resonantly excite internal field line oscillations at a spatial resonance within the coronal loop. Although the width of this spatial resonance, as well as the induced currents and coronal velocity field, explicitly depend upon viscosity and resistivity, the resonant form of the generalized electrodynamic heating function is virtually independent of irreversibilities. This is a classic feature of high quality resonators that are externally driven by a broad band source of spectral power. Applications to solar coronal loops result in remarkable agreement with observations.
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