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Entropy 2015, 17(2), 658-668; doi:10.3390/e17020658

Entropy Production of Main-Sequence Stars

1
Ural Federal University, Mira St. 19, 620002 Ekaterinburg, Russia
2
Institute of Industrial Ecology, S Kovalevskoi St. 20a, 620219 Ekaterinburg, Russia
*
Author to whom correspondence should be addressed.
Received: 19 November 2014 / Revised: 20 January 2015 / Accepted: 27 January 2015 / Published: 2 February 2015
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Abstract

The entropy production (inside the volume bounded by a photosphere) of main-sequence stars is calculated based on B–V photometry data. The entropy-production distribution function and the dependences of entropy production on temperature and luminosity are obtained for these stars for the first time. A very small range of variation of specific (per volume) entropy production discovered for main-sequence stars (only 0.5 to 1.8 solar magnitudes) is an interesting result that can be crucial for understanding thermodynamic processes of stars. View Full-Text
Keywords: non-equilibrium thermodynamics; open star clusters; main-sequence stars; entropy production non-equilibrium thermodynamics; open star clusters; main-sequence stars; entropy production
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Martyushev, L.M.; Zubarev, S.N. Entropy Production of Main-Sequence Stars. Entropy 2015, 17, 658-668.

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