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Title: Wave propagation in multiple flux tubes and chromospheric heating
Authors: Hasan, S. S
van Ballegooijen, A
Steiner, O
Keywords: Waves;MHD;Sun: Atmosphere;Sun: Photosphere;Sun: Chromosphere;Sun: Oscillations
Issue Date: May-2008
Publisher: Cambridge University Press
Citation: Erdelyi, Robert and Mendoza-Briceno, Cesar A., eds., Waves and oscillations in the solar atmosphere: heating and magneto-seismology., Proceedings of the 247th Symposium of the International Astronomical Union, held in Porlamar, Venezuela, 17 - 22, September, 2007, PP. 82 - 85
Series/Report no.: International Astronomical Union Symposium Proceedings Series;Vol. 247
Abstract: This investigation is a continuation of earlier work on the dynamics of the magnetic network. In a previous calculation (Hasan et al. 2005), we examined the response of a single flux tube to transverse motions of its footpoints. We now extend this analysis to a more realistic model of the network consisting of multiple flux tubes. We apply a transverse velocity perturbation uniformly along the lower boundary located at the base of the photosphere. Our 2-D MHD simulations enable us to study the complex wave pattern due to waves generated in the individual tubes as well as their interaction with those emanating from adjacent tubes. Our results show that the dominant heating of the chromosphere occurs due to slow magnetoacoustic waves in a region that is close to the central region of the flux tube.
Description: Open Access
ISBN: 978-0-521-87469-4
???metadata.dc.rights???: © Cambridge University Press
Appears in Collections:IIAP Publications

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