A model for the cosmic creation of nuclear exergy

Details A model for the cosmic creation of nuclear exergy A model for the cosmic creation of nuclear exergy

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982natur.296..540e&link_type=abstract

Nature, vol. 296, Apr. 8, 1982, p. 540-542. Research supported by the Swedish Council for Planning and Coordination of Research.

Mathematics

Probability

2

Astronomical Models, Big Bang Cosmology, Nuclear Energy, Nucleons, Thermodynamic Equilibrium, Universe, Abundance, Electrons, Gravitons, Neutrinos, Photons, Positrons, Probability Distribution Functions

Scientific paper

A cosmological model is proposed to account for the revival of the universe after that moment, 0.01 sec after the big bang, when the thermodynamic equilibrium of its nucleons, electrons, positrons, neutrinos and photons constituted a state of thermodynamic heat-death. It is found in light of the model that the creation of nuclear exergy, or the maximum amount of work that can be extracted from a system in thermodynamic equilibrium, began about 10 sec after the big bang. Most exergy was created during the first few minutes, 85% during the first hour, and the process was essentially complete during the first 24 hours with a final exergy value of 7.72 MeV per nucleon. The consumption of this exergy began much later, and takes place in the stars over a time scale of billions of years.

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