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http://hdl.handle.net/2248/4161| Title: | Time-dependent interaction of granules with magnetic flux tubes |
| Authors: | Venkatakrishnan, P Hasan, S. S |
| Keywords: | Sun Small scale magnetic fields Granules Downdrafts Fluid dynamics Unsteady one-dimensional flow |
| Issue Date: | Jun-1981 |
| Publisher: | Indian Academy of Sciences |
| Citation: | Journal of Astrophysics and Astronomy, Vol. 2, No. 2, pp. 133 - 139 |
| Abstract: | The time-dependent interaction of the granulation velocity field with a magnetic flux tube is investigated here. It is seen that when a magnetic field line is displaced normal to itself so as to simulate thebuffeting action of granules, a flow of gas is initiated along the field. By choosing a lateral velocity field which is consistent with observations of granules, it is found that the resulting gas motion is a downward flow with a velocity compatible with the observed downflow in isolated photospheric flux tubes. It is therefore proposed that the observed photospheric downflow is a manifestation of the interaction of granules with flux tubes. |
| URI: | http://hdl.handle.net/2248/4161 |
| ISSN: | 0250-6335 |
| Appears in Collections: | IIAP Publications |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Time-dependent interaction of granules with magnetic flux tubes | 519.8 kB | Adobe PDF |  View/Open |
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