Physics
Scientific paper
Jan 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....54..213b&link_type=abstract
Astronomy and Astrophysics, vol. 54, no. 1, Jan. 1977, p. 213-218. Research supported by the National Research Council of Canad
Physics
4
Energy Conversion, Energy Transfer, Solar Corpuscular Radiation, Solar Neutrinos, Solar Physics, Astronomical Models, Carnot Cycle, Chemical Composition, Mechanics (Physics), Nuclear Energy, Thermal Energy, Thermodynamics
Scientific paper
The thermodynamic limitations of energy transfer by mechanical means in the solar core are examined in the context of the solar neutrino problem. Under the hypothesis that thermal energy is converted into mechanical energy in the nuclear-burning core of the sun, it is possible to find steady-state solar models with very low neutrino counting rates. However, the efficiencies required in the conversion of thermal into mechanical energy are very close to the maximum possible value given by Carnot's theorem. Moreover, these models are very helium-poor since an adjustment of the initial composition is necessary to compensate for the overall decrease of the opacity. It is then quite unlikely that energy transfer by mechanical means in the central regions of the sun can resolve the solar neutrino puzzle.
Beaudet Gilles
Fontaine Gérard
Sirois A.
Tassoul Monique
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