Computer Science
Scientific paper
Mar 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ssrv...33..161l&link_type=abstract
(Lindau Workshop on the Source Region of the Solar Wind, 9th, Lindau, West Germany, Nov. 1981.) Space Science Reviews, vol. 33,
Computer Science
174
Coronal Holes, Plasma Acceleration, Solar Wind Velocity, Energy Transfer, Magnetohydrodynamic Waves, Solar Atmosphere, Solar Corona, Stellar Winds
Scientific paper
Recent research on the acceleration mechanism of the solar wind is assessed with particular emphasis on the high-speed streams emanating from coronal holes. Models of thermally driven winds with no energy addition above the coronal base are considered, and the general effects of energy addition in the forms of heat and momentum to the subsonic and supersonic components of the flow are discussed. The transport of energy by Alfven waves in the solar atmosphere and the solar wind is then examined as a possible means of accounting for the high-speed streams, for which both advective and conductive energy fluxes have been shown to be inadequate. The specific acceleration mechanism involving Alfven wave interaction with the solar wind is then examined, and the related problem of the acceleration by Alfven waves of massive winds from cool, low-gravity stars is considered. The existence of alternative mechanisms for solar wind acceleration is also pointed out.
Fla Tor
Holzer Thomas Edward
Leer Egil
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