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Entropy Production of Stars

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 02 Jun 2015 Russian Federation Publisher:MDPI AGJournal:Entropy, volume 17, pages 3,645-3,655 (eissn: 1099-4300,

Authors: Leonid Martyushev; Sergey Zubarev;

doi: 10.3390/e17063645

Entropy Production of Stars

- Summary
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Abstract

The entropy production (inside the volume bounded by a photosphere) of main-sequence stars, subgiants, giants, and supergiants is calculated based on B–V photometry data. A non-linear inverse relationship of thermodynamic fluxes and forces as well as an almost constant specific (per volume) entropy production of main-sequence stars (for 95% of stars, this quantity lies within 0.5 to 2.2 of the corresponding solar magnitude) is found. The obtained results are discussed from the perspective of known extreme principles related to entropy production.

Country

Russian Federation

Related Organizations

FEDERAL STATE AUTONOMOUS EDUCATIONAL INSTITUTION OF HIGHER PROFESSIONAL EDUCATION NOTHERN (ARCTIC) FEDERAL UNIVERSITY
Russian Federation
Ural Branch of the Russian Academy of Sciences
Russian Federation
Ural Federal University
Russian Federation
Institute of Industrial Ecology
Russian Federation

Keywords

Science, Physics, QC1-999, Q, supergiants, stability, Astrophysics, non-equilibrium thermodynamics, metastability, QB460-466, giants, minimum and maximum entropy production, main-sequence stars

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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average