Journal of Physical Studies 25(1), Article 1902 [8 pages] (2021)
DOI: https://doi.org/10.30970/jps.25.1902

SOLAR ATMOSPHERIC JET PROPAGATION IN A VORTEX FIELD

Yu. P. Ladikov-Roev, S. O. Cheremnykh , A. D. Voitsekhovska , Yu. O. Selivanov 

Space Research Institute of NASU & SSAU,
40, Glushkov Ave., build. 4/1, Kyiv, UA–03680, Ukraine
e-mail: yuraslv@gmail.com

Received 01 July 2020; in final form 08 September 2020; accepted 16 October 2020; published online 04 March 2021

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 flows in a differentially 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 effects can modify the movement of the jets and, therefore, can contribute to the fine structure of the solar wind.

Key words: Solar physics, magnetohydrodynamics, jets, vortices

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