太阳等离子体和磁场输出源表面结构的一种MHD模型

A MHD MODEL OF 2-D STRUCTURE OF SOLAR WIND AND MAGNETIC FIELD OUTPUT ON SOURCE SURFACE

以观测到的光球视向磁场、Ｋ－日冕亮度作为输入，以相应的统计结果为约束条件，利用磁流体力学方程组，给出了等离子体及磁场各参数在源表面上的二维分布．其结果与同期的卫星观测数据和已有的统计结果相比较，显示出相当程度的一致性．

Abstract: A MHD model is used for exploration of 2-D structure of the solar plasma outputs on the source surface (2.5 Rs). In this model, the observational data for Kcorona brightness and the photospheric magnetic field are as inputs of MHD equations which are closed by a statistical result. Prelimilary results are that (1) 2-D distributions of velocity, temperature and mass flux outputs on the source surface are structural and in which the magnetic field plays a controlling role. (2) Comparisons between the theoretic and observational results indicate that MHD model could provide an useful description of the 2-D structure of solar wind plasma outputs near the sun and the source surface could be considered as the 'source' of the interplanetary solar wind.