On the entropy of mixing, with particular reference to its effect on dredge-up during helium shell flashes

Details On the entropy of mixing, with particular reference to its effect on dredge-up during helium shell flashes On the entropy of mixing, with particular reference to its effect on dredge-up during helium shell flashes

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...248..311w&link_type=abstract

Astrophysical Journal, Part 1, vol. 248, Aug. 15, 1981, p. 311-314.

Statistics

Computation

18

Energy Absorption, Entropy, Flare Stars, Stellar Evolution, Turbulent Mixing, Convective Flow, Gravitational Effects, Helium, Kinetic Energy, Stellar Envelopes, Thermodynamics

Scientific paper

It is shown that there is no energy absorption associated with the advance of a convective zone into a region containing material of a different mean molecular weight. Stellar evolution codes used in computations of dredge-up during helium shell flashes should take this fact into account. A scheme for the treatment of mixing and gravitational-internal energy production in a stellar evolution code is suggested.

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