Physics
Scientific paper
May 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994soph..151..271p&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 151, no. 2, p. 271-304
Physics
27
Coronal Loops, Magnetohydrodynamic Flow, Ohmic Dissipation, Plasma Heating, Solar Prominences, Circulation, Magnetic Disturbances, Magnetohydrodynamic Generators, Plasma Dynamics, Plasma Resonance, Resonance Fluorescence
Scientific paper
The quality Q of a resonance is defined as the ratio of the total energy contained in the system to the dissipation per driving cycle. Hence, a 'good quality' resonance is one with little losses, i.e., little dissipation per driving cycle. However, for heating coronal plasmas by means of resonant absorption of waves, 'bad' quality resonances are required. Here, the quality of the magnetohydrodynamic (MHD) resonances that occur when an inhomogeneous coronal loop is excited by incident waves is investigated for typical coronal loop parameter values in the framework of linear, resistive MHD. It is shown that the resonances in coronal loops have bad quality and, hence, yield a lot of Ohmic heating per driving cycle compared to the total energy stored in the loop. As a consequence, the time scales of the heating process are relatively short and resonant absorption turns out to be a viable candidate for the heating of the magnetic loops observed in the solar corona.
Belien J. C. A.
Goedbloed J. P.
Poedts Stefaan
No associations
LandOfFree
On the quality of resonant absorption as a coronal loop heating mechanism does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with On the quality of resonant absorption as a coronal loop heating mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the quality of resonant absorption as a coronal loop heating mechanism will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1681313