EDP Sciences
Free Access

Fig. 2

image

More details about the initial magnetic structure of refTDb shown in Fig. 1. Panel a: magnetic field lines of the configuration in Fig. 1 projected on zx-plane. Panel b: twist turns of magnetic field lines obtained by different methods; the solid black line indicates Φc calculated by Eq. (19), the crosses indicate numerical turns Φnum by integrating the magnetic field around the MFR magnetic axis, and the thick black line indicates the straight flux rope Φcs based on Eq. (20). The red line represents the distribution of the safety factor q = 1/Φc. Panel c: internal toroidal (blue), poloidal (green), and total current (black) distribution of the MFR along the z-axis. Panel d: internal toroidal for α = 1 (blue) and α = 0 (blue dashed), and the poloidal (green) magnetic field strength of the MFR along the z-axis; a cross and a circle indicate the position of the magnetic axis and geometry axis of the MFR, which indicates a Shafranov shift.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.