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首页> 外文期刊>The Astrophysical journal >EMPIRICAL RELATIONSHIP BETWEEN THE MAGNETIC FIELD AND THE MASS AND ENERGY FLUX IN THE SOURCE REGIONS OF THE SOLAR WIND
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EMPIRICAL RELATIONSHIP BETWEEN THE MAGNETIC FIELD AND THE MASS AND ENERGY FLUX IN THE SOURCE REGIONS OF THE SOLAR WIND

机译：太阳风源区域中磁场与质量和能量通量之间的经验关系

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摘要

Using daily averages of the solar wind speed and mass density measured at Earth together with an improved method for extrapolating the observed photospheric field to 1 AU, we construct scatter plots relating the coronal field strength B_0 to the mass flux density ρ_0v_0 and the total energy flux density F_(w0) at the coronal base. On average, both ρ_0v_0 and F_(w0) increase roughly linearly with B_0; they also show a monotonic increase with the coronal flux-tube expansion factor. However, the wind speed at Earth, determined by the ratio F_(w0)/(ρ_0v_0), is essentially independent of B_0, while tending to decrease with increasing expansion factor (as found in earlier studies).
机译：利用每天在地球上测得的太阳风速和质量密度的日平均值，以及将观测到的光球场外推至1 AU的改进方法，我们构建了将日冕场强B_0与质量通量密度ρ_0v_0和总能量通量相关联的散点图日冕底的密度F_（w0）。平均而言，ρ_0v_0和F_（w0）随B_0大致呈线性增长;它们还显示出随着冠状通量管膨胀因子的单调增加。但是，由比率F_（w0）/（ρ_0v_0）决定的地球风速基本上与B_0无关，而随着膨胀系数的增加而趋于减小（如先前的研究所示）。

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