太阳大气射流在涡旋场中的传播

IF 0.7 Q3 PHYSICS, MULTIDISCIPLINARY
Yuriy P. Ladikov-Roev, S. Cheremnykh, A. Voitsekhovska, Y. Selivanov
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引用次数: 0

摘要

在太阳大气中存在涡旋层的假设下,研究了色球射流与单个涡旋的相互作用。尽管所有的模型都假定喷流会穿透平静的大气层,然而,由大量喷流的升降引起的扰动必然会在不同旋转的太阳大气层中造成涡旋,就像地球上的飓风和龙卷风一样。当与射流相互作用时,涡流可以产生推力,作用于射流并向上引导。推力补充了初始脉冲对射流的作用,可以在较低的初始速度下获得相同的仰角高度。由于涡旋的作用,射流上升得更高,持续时间更长,例如,在只有弹道机制的情况下。射流穿过涡流时,由于涡流引起的离心加速度而膨胀。这两种效应都可以改变喷流的运动,因此可以对太阳风的新结构做出贡献。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Solar atmospheric jet propagation in a vortex field
On the assumption of the existence of a vortex layer in the solar atmosphere, the interaction of chromospheric jets with individual vortices is studied. Although all the models assume a penetration of the jet into a quiet atmosphere, however, perturbations caused by the rise and fall of a multitude of jets cannot fail to cause vortex ows in a di erentially rotating solar atmosphere, as occurs in the case of hurricanes and tornadoes on the Earth. When interacting with a jet, the vortex can create thrust applied to the jet and directed upwards. The thrust complements the action of the initial pulse on the jet and the same elevation height can be achieved with lower initial velocities. Due to the action of the vortex, the jet rises both higher and during a longer time than, for example, in the case of a ballistic mechanism only. A jet, when it penetrates the vortex, can expand due to the centrifugal acceleration caused by this vortex. Both e ects can modify the movement of the jets and, therefore, can contribute to the ne structure of the solar wind.
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来源期刊
Journal of Physical Studies
Journal of Physical Studies PHYSICS, MULTIDISCIPLINARY-
CiteScore
1.00
自引率
20.00%
发文量
19
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