Stability of stellar structure in non-equilibrium thermodynamics

Details Stability of stellar structure in non-equilibrium thermodynamics Stability of stellar structure in non-equilibrium thermodynamics

Publishing date

Jun 1988

URL

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988acaps...8..164w&link_type=abstract

Journals

(Acta Astrophysica Sinica, vol. 8, 1988, 5 p) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 12, June 1988, p. 164-16

Science

Astronomy and Astrophysics

Field

Astrophysics

Additional info 3

Cosmochemistry, Nonequilibrium Thermodynamics, Stellar Structure, Carbon, Convective Heat Transfer, Nitrogen, Oxygen

Type

Scientific paper

Abstract

The stability of a star undergoing C-N-O cycle is examined using the mean field method in Prigogine's theory of non-equilibrium thermodynamics. It is found (1) that convection and diffusion in the energy-generating zone have an important effect on the stability and (2) that the star is stable if the velocity divergence is less than the diffusion coefficient, or, equivalently, the temperature fluctuation is less than a certain value.

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