Heating of a Quiet Region of the Solar Chromosphere by Ion and Neutral Acoustic Waves

Abstract

Using high-resolution numerical simulations we investigate the plasma heating driven by periodic two-fluid acoustic waves that originate at the bottom of the photosphere and propagate into the gravitationally stratified and partially ionized solar atmosphere. We consider ions+electrons and neutrals as separate fluids that interact between themselves via collision forces. The latter play an important role in the chromosphere, leading to significant damping of short-period waves. Long-period waves do not essentially alter the photospheric temperatures, but they exhibit the capability of depositing a part of their energy in the chromosphere. This results in up about a five times increase of ion temperature that takes place there on a time-scale of a few minutes. The most effective heating corresponds to waveperiods within the range of about 30-200 s with a peak value located at 80 s. However, we conclude that for the amplitude of the driver chosen to be equal to 0.1 km s${}^{-1}$, this heating is too low to balance the radiative losses in the chromosphere.

References in corpus (4)

• Multifluid modeling of magnetosonic wave propagation in the solar chromosphere -- effects of impact ionization and radiative recombination
• Chromospheric magnetic reconnection: Two-fluid simulations of coalescing current loops
• Two-fluid numerical simulations of solar spicules
• Magnetic swirls and associated fast magnetoacoustic kink waves in a solar chromospheric flux tube

Cited by in corpus (10)

• Two-fluid Modeling of Acoustic Wave Propagation in Gravitationally Stratified Isothermal Media
• Joint action of Hall and ambipolar effects in 3D magneto-convection simulations of the quiet Sun. I. Dissipation and generation of waves
• Two-fluid numerical model of chromospheric heating and plasma outflows in a quiet-Sun
• Chromospheric heating and generation of plasma outflows by impulsively generated two-fluid magnetoacoustic waves
• The separation of ions and fluxes in nonlinear ion-acoustic waves
• 3D numerical simulations of propagating two-fluid, torsional Alfvén waves and heating of a partially-ionized solar chromosphere
• Shocks and instabilities in the partially ionised solar atmosphere
• Generation of solar chromosphere heating and coronal outflows by two-fluid waves
• Spatial variation of periods of ion and neutral waves in a solar magnetic arcade
• Influence of the magnetic field topology in the evolution of small-scale two-fluid jets in the solar atmosphere