THE STRUCTURE OF THE MERIDIAN SOLAR WIND AND ITS EFFECT ON THE PROPAGATION OF CORONALMASS EJECTIONS
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摘要: 本文提出了一种求解二维理想磁流体力学方程组的组合格式-网格方法。该方法在保证一定精度的前提下稳定性好,计算量小。文中使用该方法算得了子午面太阳风的盔状流动解。以该解作为初态,研究了盔状冕旒位形对日冕抛射物运动的影响,发现该位形使得抛射物向低纬赤道方向偏转,较好地解释了观测结果。Abstract: Acombined scheme is developed to solve the ideal MHDequations. Keeping certain precision, this model has ensured stability and small computing capacity. Atwo-dimensional hemlet-streamer solution of the meridian solar wind near the sun is obtained. Using this solution as initial state, the effect of the hemlet-streamer configuration on the propagation of coronal mass ejections is investigated. It is found that the configuration deflects the ejected mass toward equator. This effect can explain some observational results satisfactorily.
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Key words:
- Solar wind /
- Coronal rpass ejection /
- Numerical simulation
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