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首页> 外文期刊>Journal of Geophysical Research. Biogeosciences >Acceleration of the fast solar wind by the emergence of new magnetic flux
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Acceleration of the fast solar wind by the emergence of new magnetic flux

机译：新磁通的出现加速了太阳的快速风

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摘要

Recent observations have shown that small magnetic loops are continuously emerging within supergranules in the solar photosphere. The subsequent reconnection of this emerging flux with field lines which open into the corona should define the Poyniting's vector and mass flux into the corona. These two quantities uniquely determine the final energy flow and speed of the steady, fast solar wind. It is also pointed out that if the consequence of the emergence of new flux and its reconnection is lateral displacements of coronal magnetic field lines, this process should increase the magnetic field energy in the corona in a definable manner. The resulting dissipation of this energy, by work done on the plasma or by Joule heating, defines the spatial distribution for the heating of the corona. A simple model is constructed that yields profiles for the acceleration of the fast solar wind and for coronal temperatures that are reasonable.
机译：最近的观察表明，太阳光球中的超颗粒内部不断出现小的磁环。随后，该新兴通量与通向电晕的磁力线的重新连接应定义Poyniting的矢量和通入电晕的质量通量。这两个量唯一地决定了稳定的快速太阳风的最终能量流和速度。还指出，如果出现新的通量并重新连接的结果是日冕磁场线的横向位移，则该过程应以可确定的方式增加电晕中的磁场能量。通过在等离子体上完成的功或通过焦耳加热而产生的这种能量耗散，定义了电晕加热的空间分布。构建了一个简单的模型，该模型可得出加速太阳风和日冕温度的曲线。

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