Shock wave structures in an isentropically unstable heat-releasing gas

N Molevich, D Riashchikov - Physics of Fluids, 2021 - pubs.aip.org
In this work, we analytically and numerically investigate the types of stationary gasdynamic
waves formed in a heat-releasing medium with isentropic (acoustic) instability. As the …

Mixed properties of slow magnetoacoustic and entropy waves in a plasma with heating/cooling misbalance

D Zavershinskii, D Kolotkov, D Riashchikov… - Solar Physics, 2021 - Springer
The processes of coronal plasma heating and cooling were previously shown to significantly
affect the dynamics of slow magnetoacoustic (MA) waves, causing amplification or …

Thermal misbalance influence on the nonlinear shear Alfvén waves under solar atmosphere conditions

S Belov, N Molevich, D Zavershinskii - Solar Physics, 2020 - Springer
The self-interaction of the Alfvén wave associated with the parametric interaction between
the Alfvén wave and longitudinal plasma motion induced by this Alfvén wave is investigated …

[HTML][HTML] Magnetoacoustic waves in a partially ionized astrophysical plasma with the thermal misbalance: A two-fluid approach

NE Molevich, SY Pichugin, DS Riashchikov - Physics of Plasmas, 2024 - pubs.aip.org
We consider the propagation of magnetoacoustic (MA) and acoustic waves of various
frequency ranges in a partially ionized plasma at an arbitrary angle to the magnetic field …

Compression Disturbances in the Atomic Zone of Photodissociation Regions of Interstellar Gas

DS Riashchikov, IA Pomelnikov… - Bulletin of the Lebedev …, 2022 - Springer
The parameters of autowave compression pulses formed in isentropically unstable atomic
regions of the Orion Bar are estimated. The dependences of the density, pressure, and …