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MASSFLOW EFFECTS ONWAVE HEATING BYRESONANT ELYI VON F '
 

Summary: MASS­FLOW EFFECTS ONWAVE HEATING BYRESONANT
ABSORPTION
R. ERD '
ELYI VON F '
AY­SIEBENB ¨
URGEN
Center for Plasma­Astrophysics, K.U. Leuven
Celestijnenlaan 200 B, B­3001 Heverlee, Belgium
1. Introduction
To heat the solar atmosphere by waves one requires some efficient dissipa­
tion mechanisms. Resonant absorption, suggested by Ionson (1978), might
be a candidate to explain the heating mechanism(s) in the solar corona.
In the former studies of resonant absorption one has mostly assumed static
equilibria. However, Hollweg et al. (1990) showed that resonant absorption
can be severely influenced by the presence of velocity shears. Erd'elyi et al.
(1995) studied analytically the resonant absorption in linear compressible
MHD for background equilibrium states with flow.
In this paper we show numerically the effect of background equilibrium
flows on resonant absorption. Lou's (1990) cylindrical equilibrium model is
extended with an equilibrium plasma flow, v 0

  

Source: Armagh Observatory

 

Collections: Physics