Simulating the Dynamics of Coronal Plasma Condensations

Autor:	Petra Kohutova, Erwin Verwichte
Rok vydání:	2017
Předmět:	Physics Space and Planetary Science Coronal plane Physics::Space Physics Dynamics (mechanics) Astrophysics::Solar and Stellar Astrophysics Astronomy and Astrophysics Plasma Astrophysics
Zdroj:	Proceedings of the International Astronomical Union. 13:23-25
ISSN:	1743-9221 1743-9213
Popis:	We present numerical MHD simulations of the dynamics of cool plasma condensations in a coronal loop. We address 2 mechanisms for how coronal rain leads to the excitation of coronal loop oscillations. We find that the combined effect of pressure gradients in the coronal loop plasma and magnetic tension force resulting from changes in magnetic field geometry explains observed sub-ballistic motion of coronal rain and longitudinal oscillations of the individual condensations. We also find that the condensations can excite sustained, small amplitude, vertically polarised transverse loop oscillations.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7c7f0057efe028811ca3969e13e004c6 https://doi.org/10.1017/s1743921317010997 Zobrazit plný text záznamu Plný text ve formátu PDF