On the Stability of Siphon Flows Confined in Coronal Loops

Details On the Stability of Siphon Flows Confined in Coronal Loops On the Stability of Siphon Flows Confined in Coronal Loops

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ssrv...87..133b&link_type=abstract

Space Science Reviews, v. 87, Issue 1/2, p. 133-136 (1999).

Physics

2

Scientific paper

We use a time-dependent hydrodynamic model to study the dynamics of siphon flows triggered by differences of pressure or heat deposition asymmetries between the two footpoints of a coronal loop. We show that steady pressure driven flows in a uniformly heated loop are unstable, whereas those driven by asymmetries in the heating function may be stable. We also show that, in these cases, relatively cool loops might be filled far above their static pressure scale height.

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