磁场的对流再产生和扩散

IMECH-IR > 力学所知识产出(1956-2008)

	磁场的对流再产生和扩散
	唐泽眉
Source Publication	天体物理学报
	1988
Volume	8 Issue:2 Pages:117-123
ISSN	0253-2379
Abstract	根据双尺度平均场电动力学,研究一种特定的周期对流的磁场再产生和扩散效应。数值计算运动学发电机方程,给出旋转对流元中感应电动势图象,得出无量纲磁场再产生系数α′≈-0.4～+0.4;对流扩散系数β′≈0.05.所提供的α效应能满足符合太阳活动周期的α-ω发电机模型的要求,若取对流元特征旋转速度u_1为100m/s,对流元特征长度α为1000km计算得到的对流扩散效应较发电机理论和观测的要求约小20倍。需计入脉动磁场和平均流场的相互作用,进一步研究旋转对流元的扩散效应。
Keyword	磁流力学周期对流太阳磁场
Language	中文
Document Type	期刊论文
Identifier	http://dspace.imech.ac.cn/handle/311007/36716
Collection	力学所知识产出(1956-2008)
Corresponding Author	唐泽眉
Recommended Citation GB/T 7714	唐泽眉. 磁场的对流再产生和扩散[J]. 天体物理学报,1988,8,2,:117-123.
APA	唐泽眉.(1988).磁场的对流再产生和扩散.天体物理学报,8(2),117-123.
MLA	唐泽眉."磁场的对流再产生和扩散".天体物理学报 8.2(1988):117-123.

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