Figure 2 - uploaded by Jinhan Guo
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A magnetic flux rope constructed by the TDm model. The average twist of the flux rope is about 1.83 turns. Selected field lines from this flux rope were used for 1D simulations of filament threads.
Source publication
As one of the main formation mechanisms of solar filament formation, the chromospheric evaporation-coronal condensation model has been confirmed by numerical simulations to explain the formation of filament threads very well in flux tubes with single dips. However, coronal magnetic extrapolations indicated that some magnetic field lines might posse...
Contexts in source publication
Context 1
... two values are small enough to guarantee the model to be in a force-free and divergence-free state. The final magnetic-field distribution is illustrated in Figure 2. The twist of a flux rope and the number of dips are highly correlated, so we also calculate the twist using the formula provided by Berger & Prior (2006). ...
Context 2
... illustrated in Figure 2, the TDm flux rope core is weakly twisted while the outer shell is highly twisted. This magnetic model includes non-dipped, single-dipped and multiply-dipped field lines. ...
Context 3
... the flux tubes are independent in our helical cases. For a set of flux tubes extracted from the TDm flux-rope system shown in Figure 2 (red triangles in Figure 13), we find that the average length of the independently trapped threads is about 14.52 Mm, but that of the magnetically connected threads is about 5.89 Mm. Thus, in a statistical sense, the length of each thread is highly correlated with the number of threads along one flux tube. ...
Context 4
... two values are small enough to guarantee the model to be in a force-free and divergence-free state. The final magnetic-field distribution is illustrated in Figure 2. The twist of a flux rope and the number of dips are highly correlated, so we also calculate the twist using the formula provided by Berger & Prior (2006). ...
Context 5
... illustrated in Figure 2, the TDm flux rope core is weakly twisted while the outer shell is highly twisted. This magnetic model includes non-dipped, single-dipped and multiply-dipped field lines. ...
Context 6
... the flux tubes are independent in our helical cases. For a set of flux tubes extracted from the TDm flux-rope system shown in Figure 2 (red triangles in Figure 13), we find that the average length of the independently trapped threads is about 14.52 Mm, but that of the magnetically connected threads is about 5.89 Mm. Thus, in a statistical sense, the length of each thread is highly correlated with the number of threads along one flux tube. ...
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