[PDF] Top 20 Thermal conduction effects on the kink instability in coronal loops
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Thermal conduction effects on the kink instability in coronal loops
... without conduction. Note that the results with thermal conduc- tion have been multiplied by 10 to fit on the same ...with conduction have a peak temperature that is an or- der of magnitude lower than ... See full document
11
Numerical simulations of kink instability in line tied coronal loops
... the instability producing a region with large cur- rent. If the instability saturates and the maximum current reaches a finite value, then the Lundquist number must be smaller than a particular, critical ... See full document
11
Coronal loop slow mode oscillations driven by the kink instability
... As can be seen from Fig. 3 once the oscillatory phase is es- tablished the waves damp quickly. This damping rate is sim- ilar to that seen from the inclusion of non-ideal terms (e.g. Nakariakov et al. 2000; Ofman & ... See full document
6
Observational properties of a kink unstable coronal loop
... the loops responded to twist being injected through foot points (Van Hoven et ...how kink unstable loops erupt through over- laying arcades ...short loops undergoing the kink ... See full document
8
MHD simulations of coronal heating
... come kink unstable, demonstrate that a large helical current sheet forms and, once reconnection starts, that this sheet fragments into many smaller ...of coronal loops have also been performed by ... See full document
146
Longitudinal Magnetohydrodynamics Oscillations in Dissipative, Cooling Coronal Loops
... the thermal conduction is weak that restricted applicability to astrophysical ...The effects of cooling and thermal conduction on the oscillation amplitude were of the same ...when ... See full document
9
Thermal instability and non equilibrium in solar coronal loops: from coronal rain to long period intensity pulsations
... characterize coronal rain? Not necessarily, as shown by Miki ć et al [ 76 ] ...with coronal rain ( complete condensations ) form in a relatively small part of the parameter space, and that therefore very ... See full document
16
The effect of the environment on the P1/P2 period ratio for kink oscillations of coronal loops
... all, coronal loops are enhancements of plasma (trac- ing the magnetic field in virtue of the frozen-in theorem) and the density of a typical loop can be as much as 10 times larger than the density of the ... See full document
10
Energetics of the Kelvin Helmholtz instability induced by transverse waves in twisted coronal loops
... in coronal structures that can be observed in prominences (and their subsequent eruption ...the effects of magnetic twist on the decay of kink mode oscillations are very ...in coronal ... See full document
14
The effects of resistivity and viscosity on the Kelvin Helmholtz instability in oscillating coronal loops
... the kink mode that is excited by the initial velocity profile experiences rapid damping through the well- studied process of resonant ...excited kink mode is not damped noticeably due to viscous nor ... See full document
13
Effects of thermal conduction and compressive viscosity on the period ratio of the slow mode
... various coronal wave phenomena have been pos- sible (see, for example, Nakariakov & Verwichte ...of coronal seismology of magnetic loops suggested 25 years ago (Roberts et ...2009). ... See full document
7
The effects of numerical resolution, heating timescales and background heating on thermal non equilibrium in coronal loops
... in coronal loops when the heating is concentrated towards the footpoints ...the coronal radiative losses overcome the heating source(s) at the top of the loop, the thermal instability ... See full document
15
Sausage oscillations of coronal loops
... The standard approach in the theoretical description of sausage modes is based upon modelling of the oscillating loop as a magnetic cylinder or a magnetic slab, confined between two rigid walls corresponding to the ... See full document
7
Transverse kink oscillations of expanding coronal loops
... particular, coronal seismology has emerged as one of the most dynam- ically developing methods of solar physics (see, ...in coronal seismology are trans- verse kink oscillations, ...Recent ... See full document
8
Damping of slow magnetoacoustic oscillations by the misbalance between heating and cooling processes in the solar corona
... Using the CHIANTI model for the radiative cooling and fix- ing other parameters of the equilibrium, the values of τ 1,2 be- come fully determined by the heating function. This suggests a new way for the diagnostics of ... See full document
7
Dynamics of a multi thermal loop in the solar corona
... The geometry of the multi-thermal loop was reconstructed in the three-dimensional (3D) space by using the Principal Component Analysis (PCA). The details of the technique can be found in Nisticò et al. (2013b). ... See full document
8
Effect of longitudinal magnetic and density inhomogeneity on transversal coronal loop oscillations
... of coronal density scale height ...oscillating loops observed with the TRACE 171 Å passband, VNV07 estimated super-hydrostatic density scale heights of H = 68 Mm and H = 109 ...hydrostatic loops ... See full document
9
Spatiotemporal analysis of coronal loops using seismology of damped kink oscillations and forward modeling of EUV intensity profiles
... of coronal loops that we consider in this paper is their intensity pro fi ...a coronal loop and found a value consistent with that calculated seismologically for the same loop in Pascoe et ...233 ... See full document
18
Magnetohydrodynamic oscillations in solar coronal rain
... flaring loops the sausage mode can be detected by observing the modulation of the microwave emission of the loop due to varying magnitude of magnetic ...flaring loops, which causes periodic increase and ... See full document
154
Hawking like emission in kink soliton escape from a potential well
... Long Josephson junctions are very good physical objects for the observation of the soliton dynamics. Akoh et al [31] constructed a device in which details of the dynamics of individual fluxons could be observed. They ... See full document
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