Thermodynamic Analysis of Bistability in Rayleigh-Bénard Convection.
Rayleigh–Bénard convection
bistability
maximum entropy production principle
Journal
Entropy (Basel, Switzerland)
ISSN: 1099-4300
Titre abrégé: Entropy (Basel)
Pays: Switzerland
ID NLM: 101243874
Informations de publication
Date de publication:
22 Jul 2020
22 Jul 2020
Historique:
received:
10
06
2020
revised:
09
07
2020
accepted:
15
07
2020
entrez:
8
12
2020
pubmed:
9
12
2020
medline:
9
12
2020
Statut:
epublish
Résumé
Bistability is often encountered in association with dissipative systems far from equilibrium, such as biological, physical, and chemical phenomena. There have been various attempts to theoretically analyze the bistabilities of dissipative systems. However, there is no universal theoretical approach to determine the development of a bistable system far from equilibrium. This study shows that thermodynamic analysis based on entropy production can be used to predict the transition point in the bistable region during Rayleigh-Bénard convection using the experimental relationship between the thermodynamic flux and driving force. The bistable region is characterized by two distinct features: the flux of the second state is higher than that of the first state, and the entropy production of the second state is lower than that of the first state. This thermodynamic interpretation provides new insights that can be used to predict bistable behaviors in various dissipative systems.
Identifiants
pubmed: 33286571
pii: e22080800
doi: 10.3390/e22080800
pmc: PMC7517371
pii:
doi:
Types de publication
Journal Article
Langues
eng
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