Physics
Scientific paper
Feb 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982soph...76..145s&link_type=abstract
Solar Physics, vol. 76, Feb. 1982, p. 145-153.
Physics
4
Astrometry, Secular Variations, Solar Atmosphere, Solar Diameter, Stellar Luminosity, Convection, Matching, Perturbation Theory, Radii, Stellar Models
Scientific paper
A simple matching technique is developed which makes it possible to compute the response of the solar envelope to perturbations which occur within the solar convective region in timescales of importance to climate. The technique is applied to perturbation of the convective efficiency (alpha-mechanism) and of the nongas component of the pressure in different regions of the convection zone (beta-mechanism). The results indicate that whereas either perturbation affects the solar luminosity, the alpha-mechanism has almost no effect on the solar outer radius, regardless of the affected region. The beta-mechanism, however, produces radius changes which may be large if the location of perturbation is deep enough.
Chan Kwan-Leung
Sofia Sabatino
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