TURBULENT CORONAL HEATING .2. TWISTED FLUX TUBE

被引：0
|
作者：
INVERARITY, GW
PRIEST, ER
机构：
来源：
ASTRONOMY & ASTROPHYSICS | 1995年 / 296卷 / 02期
关键词：
SUN; CORONA; MAGNETOHYDRODYNAMICS; TURBULENCE;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Inverarity et al. (1994) extended the model of Hevyaerts & Priest (1992) for turbulent coronal heating in a sheared arcade, again achieving the observed levels of heating but with improved mathematical consistency. A similar model for heating in a flux tube twisted by vortical photospheric motions is here developed. Two models for the turbulence are investigated: three-dimensional, helically isotropic turbulence and two-dimensional turbulence, isotropic in the plane perpendicular to the background field. It is found that the three-dimensional turbulence model can reproduce the observed levels of coronal heating. However, the purely two-dimensional model cannot be used when modelling steady-state heating.
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页码：395 / 404
页数：10
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