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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/62428


    Title: 太陽閃焰硬X射線源與日冕層磁場關聯性之研究;On the Relationship between Hard X-Ray Sources and Coronal Magnetic Fields in Solar Flares
    Authors: 楊雅惠
    Contributors: 國立中央大學太空科學研究所
    Keywords: 大氣科學;太空科技
    Date: 2012-12-01
    Issue Date: 2014-03-17 11:32:30 (UTC+8)
    Publisher: 行政院國家科學委員會
    Abstract: 研究期間:10108~10207;It is generally believed that the hard X-ray (HXR) emission is a critical characteristic of energy release in the impulsive phase of solar flare. The chromospheric HXR kernels are regarded as the footpoints of newly reconnected magnetic field lines. It is thought to be associated with the acceleration process in the corona, collision process in the chromosphere, and the transportation process between the chromosphere and corona. We believe that the properties of HXR emissions in the impulsive phase of solar flare strongly depend on the ambient plasma and magnetic field conditions in the coronal reconnection or acceleration region. Since the magnetic field in the solar corona is unavailable to be directly measured, it is important to investigate the influence of solar coronal magnetic fields on the energy storage and release. The purpose of this study is to qualitatively and quantitatively analyze the associated physical quantities to understand the mechanism of reconnection and acceleration in solar flares, based on the coronal magnetic fields extrapolated by a non-linear force-free field model, the HXR imaging and spectrum analyses, and high-resolution transversal and longitudinal magnetic field observations.
    Relation: 財團法人國家實驗研究院科技政策研究與資訊中心
    Appears in Collections:[太空科學研究所 ] 研究計畫

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