Magnetohydrodynamic tube waves and high speed solar wind streams

Details Magnetohydrodynamic tube waves and high speed solar wind streams Magnetohydrodynamic tube waves and high speed solar wind streams

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987soph..108..183c&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 108, no. 1, 1987, p. 183-189.

Physics

9

Coronal Holes, Magnetohydrodynamic Waves, Solar Wind Velocity, Wave Propagation, Cold Plasmas, Group Velocity, High Speed, Solar Atmosphere, Wave Equations

Scientific paper

Davila (1985) addressed the question of wave propagation in a simple uniform width flux slab model of a coronal hole and concluded (1) the hole may act as a 'leaky wave guide', i.e., waves travelling along it may leak into the surrounding corona, but (2) the group velocity of waves with periods in a physically relevant range (around 100 s) is downward, indicating that such waves cannot carry energy into the solar wind and therefore cannot be driving it. The author agrees with (1) but argues that (2) results from a mistaken interpretation of a dispersion relation, and is incorrect. Furthermore, he applies the cylindrical tube leaky wave approach of Cally (1986) to a simple coronal hole model, and finds two wavetypes with substantial upward energy fluxes. However, of these, he argues that the so-called 'trig modes' (geometry modified fast waves) leak so profusely that they are unable to transport energy over the distance required; the non-axisymmetric 'thin tube' modes, though, do not suffer from this disability.

Affiliated with

Also associated with

No associations

Rating

Magnetohydrodynamic tube waves and high speed solar wind streams does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Magnetohydrodynamic tube waves and high speed solar wind streams, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetohydrodynamic tube waves and high speed solar wind streams will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1599769