Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...255..610w&link_type=abstract
Astrophysical Journal, Part 1, vol. 255, Apr. 15, 1982, p. 610-616.
Astronomy and Astrophysics
Astrophysics
5
Interstellar Matter, Stellar Atmospheres, Stellar Coronas, Stellar Mass Ejection, Stellar Winds, Flow Velocity, Magnetohydrodynamics, Polytropic Processes, Rankine-Hugoniot Relation, Thermal Conductivity
Scientific paper
The suggestion that the rates of mass loss from sun-like stars are determined by conditions imposed on the flow at or below photospheric levels, and that the warm chromosphere and hot corona of the star type in question are consequences of this imposed photospheric flow and dissipation in the resultant stellar wind, is examined through application of gas dynamic theories which include dissipation. Analytic and numerical calculations for both polytropic and thermally-conductive flows including viscosity indicate that arbitrary intrinsic mass flux specification is not consistent with steady, radial, spherically symmetric flow in the absence of energy addition. It is therefore concluded that there is not theoretical support for the suggestion stated.
Holzer Thomas Edward
Wolfson L. T. R.
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