负离子对平衡太阳等离子在重力静电模型结构中的负离子的影响
Pankaj Sarma1, Pralay Kumar Karmakar2
1Department of Physics, Tezpur University, Napaam, Tezpur, Assam, 784028, India.
这项研究重新评估了太阳风等离子体 (SWP) 起源的重力静电 (GES) 模型. 增加的负离子缩小了太阳内部等离子体 (SIP) 的体积,影响了SWP动态,并验证了修改后的GES-Bohm外标准.
科学领域:
- 等离子体物理学的物理学
- 太阳物理 太阳物理
- 天体物理学 天体物理学
背景情况:
- 重力静电 (GES) 模型描述了太阳风等离子体 (SWP) 起源于太阳内部等离子体 (SIP).
- 在等离子体模型中包含负离子物种的现实性对于准确的太阳现象表示至关重要.
研究的目的:
- 通过纳入负离子物种,重新评估GES模型.
- 分析负离子对太阳等离子体结构和动态的影响.
- 要推导出一个修改的 GES-Bohm 盖层标准.
主要方法:
- 对重力静电罩 (GES) 模型方程的数值分析.
- 在太阳内部等离子体 (SIP) 和太阳风等离子体 (SWP) 模拟中包含负离子物种.
- 分析马赫数,电流密度和电势的概况.
主要成果:
- 负离子度的增加导致SIP体积的缩小,独立于离子质量和等离子温度.
- 电位对负离子度,质量和温度保持不敏感.
- 太阳等离子体流动力学,包括声转换和电流密度,受负离子密度和离子对电子温度比 (Ti/Te) 的影响.
- 在SIP中观察到偏离准中立性,导致修改了GES-Bohm外标准.
结论:
- 该研究提供了一种经过验证,修改的GES-Bohm外标准.
- 结果提供了关于太阳等离子体行为的多参数性质的见解.
- 这些发现与当前的太阳能研究进展以及了解SWP起源有关.
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