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The role of compressibility in energy release by magnetic reconnection
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10.1063/1.4742314
/content/aip/journal/pop/19/8/10.1063/1.4742314
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/8/10.1063/1.4742314
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Evolution of energy changes (bottom) for a run with a localized resistivity given by Eq. (8) with , showing magnetic energy (solid line), internal (thermal) energy (dashed line), and bulk kinetic energy (dotted line).

Image of FIG. 2.
FIG. 2.

Late stages of guide field (left) and current density (right) for three runs with resistivity models given by Eq. (8) , (top) with , (center) , and (bottom) , all with and .

Image of FIG. 3.
FIG. 3.

Evolution of energy changes for the four runs with resistivity models given by Eq. (8) , with (solid lines), (dashed lines), (dashed-dotted lines), and (dotted lines), all with and . Green lines show the change of internal energy, consisting of compressional (blue lines) and Ohmic contributions (red).

Image of FIG. 4.
FIG. 4.

Energy changes as function of for four runs with resistivity models given by Eq. (8) , with (solid lines), (dashed lines), (dashed-dotted lines), and (dotted lines), all with and . Green lines show the changes of internal energy, consisting of compressional (blue lines) and Ohmic contributions (red).

Image of FIG. 5.
FIG. 5.

Energy changes as function of the guide field for four runs with resistivity models given by Eq. (8) , with (solid lines), (dashed lines), (dashed-dotted lines), and (dotted lines), all with and . Green lines show the changes of internal energy, consisting of compressional (blue lines) and Ohmic contributions (red).

Image of FIG. 6.
FIG. 6.

Energy changes as function of the guide field for two, initially force-free, runs with resistivity models given by Eq. (8) , with (solid lines) and (dashed lines), both with and . Green lines show the changes of internal energy, consisting of compressional (blue lines) and Ohmic contributions (red).

Image of FIG. 7.
FIG. 7.

Late stages of pressure P (left) and current density (right) for three runs with and (a) , (b) , (c) .

Image of FIG. 8.
FIG. 8.

(a) Mass M(A), (b) entropy function S(A), and (c) footpoint displacement Y(A) as functions of the flux variable A, for two runs with and (blue dashed-dotted lines), (red solid lines). Black dashed lines show the initial distributions.

Image of FIG. 9.
FIG. 9.

Entropy per mass S(A)/M(A) for two runs with (a) and (b) , both with and . Black dashed lines show the initial distributions.

Image of FIG. 10.
FIG. 10.

Internal energy gain as function of time for various system sizes and two values of the guide field, (left) , (right) .

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/content/aip/journal/pop/19/8/10.1063/1.4742314
2012-08-06
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The role of compressibility in energy release by magnetic reconnection
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/8/10.1063/1.4742314
10.1063/1.4742314
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