56 citations · 211 across the 13 of their papers we have counts for
13 papers · 1 filter
Alfvén wave propagation, reflection and trapping in the solar wind
Anmol Kumar, Thomas A. Howson, Paolo Pagano +1
Alfvén waves are known to be important carriers of magnetic energy that could play a role in coronal heating and/or solar wind acceleration. As these waves are efficient energy car…
How numerical treatments of the transition region modify energy flux into the solar corona
Thomas Howson, Cosima Breu
The large temperature gradients in the solar transition region present a significant challenge to large scale numerical modelling of the Sun's atmosphere. In response, a variety of…
The effects of driving time scales on coronal heating in a stratified atmosphere
Thomas Howson, Ineke De Moortel
Aims: We investigate the atmospheric response to coronal heating driven by random flows with different characteristic time scales and amplitudes. Methods: We conducted a series of…
Forward modelling of heating within a coronal arcade
Lianne Fyfe, Thomas Howson, Ineke De Moortel
Aims. We investigate the synthetic observational signatures from numerical models of coronal heating in an arcade to determine what features are associated with such heating, and w…
Investigating coronal wave energy estimates using synthetic non-thermal line widths
Lianne Fyfe, Thomas Howson, Ineke De Moortel +2
Aims. Estimates of coronal wave energy remain uncertain as a large fraction of the energy is likely hidden in the non-thermal line widths of emission lines. In order to estimate th…
Magnetic reconnection and the Kelvin-Helmholtz instability in the solar corona
Thomas Howson, Ineke De Moortel, David Pontin
Context. The magnetic Kelvin-Helmholtz instability (KHI) has been proposed as a means of generating magnetohy- drodynamic turbulence and encouraging wave energy dissipation in the…
A fast multi-dimensional magnetohydrodynamic formulation of the transition region adaptive conduction (TRAC) method
C. D. Johnston, A. W. Hood, I. De Moortel +2
We have demonstrated that the Transition Region Adaptive Conduction (TRAC) method permits fast and accurate numerical solutions of the field-aligned hydrodynamic equations, success…
The effects of driving time scales on heating in a coronal arcade
Thomas Howson, Ineke De Moortel, Lianne Fyfe
Context. The relative importance of AC and DC heating in maintaining the temperature of the corona is not well constrained. Aims. Investigate the effects of the characteristic time…
Phase mixing and wave heating in a complex coronal plasma
Thomas Howson, Ineke De Moortel, Jack Reid
Aims. We investigate the formation of small scales and the dissipation of MHD wave energy through non-linear interactions of counter-propagating, phase-mixed Alfvenic waves in a co…
Resonant absorption in expanding coronal magnetic flux tubes with uniform density
Thomas Howson, Ineke De Moortel, Patrick Antolin +2
Aims. We investigate the transfer of energy between a standing kink mode and azimuthal Alfven waves within an expanding flux tube. We consider the process of resonant absorption in…
Magnetohydrodynamic waves in braided magnetic fields
Thomas Howson, Ineke De Moortel, Jack Reid +1
We consider a series of MHD simulations in which a small amplitude, transverse velocity perturbation is introduced into a complex magnetic field. We analysed the deformation of the…
Energetics of the Kelvin-Helmholtz instability induced by transverse waves in twisted coronal loops
Thomas Howson, Ineke De Moortel, Patrick Antolin
Aims: We quantify the effects of twisted magnetic fields on the development of the magnetic Kelvin-Helmholtz instability (KHI) in transversely oscillating coronal loops. Methods: W…
The effects of resistivity and viscosity on the Kelvin-Helmholtz instability in oscillating coronal loops
Thomas Howson, Ineke De Moortel, Patrick Antolin
Aims - Investigate the effects of resistivity and viscosity on the onset and growth of the Kelvin-Helmholtz instability (KHI) in an oscillating coronal loop. Methods - We modelled…