| 题名 | Role of magnetic field curvature in magnetohydrodynamic turbulence |
| 作者 | |
| 通讯作者 | Wan, Minping |
| 发表日期 | 2019-07
|
| DOI | |
| 发表期刊 | |
| ISSN | 1070-664X
|
| EISSN | 1089-7674
|
| 卷号 | 26期号:7 |
| 摘要 | Magnetic fields are transported and tangled by turbulence, even as they lose identity due to nonideal or resistive effects. In a balanced field, lines undergo stretch-twist-fold processes. The curvature field, a scalar that measures the tangling of the magnetic field lines, is studied in detail here, in the context of magnetohydrodynamic turbulence. A central finding is that the magnitudes of curvature and magnetic field are anticorrelated. A high curvature colocates with a low magnetic field, which gives rise to power-law tails of the probability density function of the curvature field. The curvature drift term that converts magnetic energy into flow and thermal energy largely depends on the curvature field behavior, a relationship that helps to explain particle acceleration due to the curvature drift. This adds as well to evidence that turbulent effects most likely play an essential role in particle energization since turbulence drives stronger tangled field configurations, and therefore curvature. |
| 相关链接 | [来源记录] |
| 收录类别 | |
| 语种 | 英语
|
| 学校署名 | 第一
; 通讯
|
| 资助项目 | NSF-SHINE Grant[AGS-1460130]
|
| WOS研究方向 | Physics
|
| WOS类目 | Physics, Fluids & Plasmas
|
| WOS记录号 | WOS:000478679900057
|
| 出版者 | |
| EI入藏号 | 20193207274431
|
| EI主题词 | Magnetohydrodynamics
; Probability density function
|
| EI分类号 | Magnetohydrodynamics (MHD) Power Generation:615.3
; Probability Theory:922.1
|
| ESI学科分类 | PHYSICS
|
| 来源库 | Web of Science
|
| 引用统计 |
被引频次[WOS]：21
|
| 成果类型 | 期刊论文 |
| 条目标识符 | //www.snoollab.com/handle/2SGJ60CL/25621 |
| 专题 | 工学院_力学与航空航天工程系 |
| 作者单位 | 1.Southern Univ Sci & Technol, Shenzhen 518055, Guangdong, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China 3.Univ Delaware, Newark, DE 19716 USA 4.Peking Univ, Beijing 100871, Peoples R China |
| 第一作者单位 | |
| 通讯作者单位 | |
| 第一作者的第一单位 | |
| 推荐引用方式 GB/T 7714 |
Yang, Yan,Wan, Minping,Matthaeus, William H.,et al. Role of magnetic field curvature in magnetohydrodynamic turbulence[J]. PHYSICS OF PLASMAS,2019,26(7).
|
| APA |
Yang, Yan.,Wan, Minping.,Matthaeus, William H..,Shi, Yipeng.,Parashar, Tulasi N..,...&Chen, Shiyi.(2019).Role of magnetic field curvature in magnetohydrodynamic turbulence.PHYSICS OF PLASMAS,26(7).
|
| MLA |
Yang, Yan,et al."Role of magnetic field curvature in magnetohydrodynamic turbulence".PHYSICS OF PLASMAS 26.7(2019).
|
| 条目包含的文件 | ||||||
| 文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | 操作 | |
| Yang-2019-Role of ma（4234KB） | -- | -- | 限制开放 | -- | ||
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