Collaborative Research: SHINE: Laboratory, Observational, and Modeling Investigations of the Torus Instability and Associated Solar Corona Eruptive Phenomena

合作研究：SHINE：环面不稳定性和相关日冕喷发现象的实验室、观测和建模研究

• 批准号: 1348513
• 负责人: Haimin Wang
• 金额: $ 20.4万
• 依托单位: New Jersey Institute of Technology
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-06-01 至 2017-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1348513&HistoricalAwards=false
• 关键词: Collaborative; Research; SHINE; Laboratory; Observational

This research project will extend understanding of solar corona plasmas beyond what is possible using single approaches, such as just analyzing data, just modeling, or just doing experiments. The cross-checking and discussion of these different approaches will provide a robust means for getting to the heart of the matter and finding out what is really going on. By reconciling first-principle models, experiments, and analysis of observations, there is an excellent prospect of achieving long-sought insights and improved understanding regarding underlying solar eruption mechanisms. This 3-year collaborative SHINE project would yield: (i) improved understanding of solar corona global phenomena since eruptions impact the remainder of the solar corona by shedding magnetic energy, magnetic helicity, and plasma particles; (ii) improved understanding of phenomena associated with eruptions such as energetic particles and electromagnetic radiation spanning from radio waves to gamma rays; (iii) improved understanding of the terrestrial impact of eruptions such as the effects on the magnetosphere and ionosphere, on radio propagation, and on spacecraft; (iv) increased public interest in solar physics, because of the highly visual nature of the experiments, the observations, and the numerical modeling; and, (v) training of students in solar and plasma physics and supporting a young female researcher. The research and EPO agenda of this project supports the Strategic Goals of the AGS Division in discovery, learning, diversity, and interdisciplinary research.The main goal of this 3-year collaborative SHINE project is to combine laboratory experiments, analysis of data from actual solar eruptions, and numerical modeling of the fundamental magnetohydrodynamics (MHD). Laboratory plasmas having morphology and dynamics similar to solar plasmas will be studied by at Caltech. This study is feasible because MHD has no intrinsic scale so MHD laboratory plasmas having dimensionless numbers and morphology similar to the solar corona will exhibit similar behavior, but on much different temporal and spatial scales. The analysis of actual solar eruptions and CME kinematics will be performed at the New Jersey Institute of Technology. This analysis will focus on the magnetic field structural properties in and above the source regions of eruptions. The analysis will apply non-linear force-free extrapolations based on magnetogram data obtained from spacecraft, such as Hinode and SDO, so as to calculate the strapping field profile as a function of altitude and core magnetic field. The dependence of CME acceleration profile and final speed on the decay index will be analyzed and compared to the experiments and to the numerical models developed at Predictive Science Inc. The project team will compare numerical predictions to both the laboratory experiments and the solar eruption analysis. This comparison will take into account both the strapping field decay index and morphological changes of erupting flux ropes due to kinking.

该研究项目将对太阳能电晕等离子体的了解超出使用单一方法的可能性，例如仅分析数据，仅仅进行建模或仅进行实验。 对这些不同方法的交叉检查和讨论将为解决问题的核心并找出真正发生的事情提供强大的手段。 通过核对第一原则模型，实验和观察分析，可以实现长期洞察力的良好前景，并提高对潜在太阳喷发机制的理解。 这个为期三年的协作光泽项目将产生：（i）提高对太阳能电晕全球现象的理解，因为爆发会通过脱落磁能，磁性螺旋和血浆颗粒来影响太阳能电晕的其余部分； （ii）对与喷发相关的现象的理解，例如能量颗粒和从无线电波到伽马射线的电磁辐射； （iii）改善了对喷发的陆地影响的理解，例如对磁层和电离层的影响，无线电传播以及对航天器的影响； （iv）由于实验，观察值和数值建模的高度视觉性质，公众对太阳能物理学的兴趣增加了； （v）对太阳能和血浆物理学的学生培训，并支持一位年轻的女性研究员。 该项目的研究和EPO议程支持了AGS部门在发现，学习，多样性和跨学科研究方面的战略目标。这个为期三年的协作Shine项目的主要目标是结合实验室实验，分析来自实际太阳能爆发的数据，以及基本磁性磁透射动力学的数值建模（MHD）。 Caltech将研究具有类似于太阳等离子体的形态和动力学的实验室等离子体。 这项研究是可行的，因为MHD没有固有的量表，因此具有与太阳电晕相似的无量纲数量和形态的MHD实验室等离子体会表现出相似的行为，但在时间和空间尺度上有很多不同的行为。 对实际太阳喷发和CME运动学的分析将在新泽西理工学院进行。 该分析将集中于喷发源区域内和更高的磁场结构特性。 该分析将基于从hinode和sdO等航天器获得的磁化图数据应用非线性无力外推，以计算束缚场曲线作为高度和核心磁场的函数。 CME加速度曲线和最终速度对衰减指数的依赖性将进行分析，并将其与实验和在预测科学公司开发的数值模型进行比较。项目团队将将数值预测与实验室实验和太阳爆发分析进行比较。 这种比较将考虑到由于扭结而引起的磁通绳的绑带场衰减指数和形态变化。