Compartir
Titolo
Link between optimization and local stability of a low-dissipation heat engine: Dynamic and energetic behaviors
Autor(es)
Soggetto
Entropy
Nonequilibrium and irreversible thermodynamics
Heat engines
Clasificación UNESCO
2213 Termodinámica
Fecha de publicación
2018
Editore
American Physical Society (Nueva York, Estados Unidos)
Citación
Gonzalez-Ayala, J., Santillán, M., Reyes-Ramírez, I. and Calvo-Hernández, A. (2018). Link between optimization and local stability of a low-dissipation heat engine: Dynamic and energetic behaviors. Phys. Rev. E 98, 032142
Resumen
[EN]In the present paper we study the connection between local stability and energetic properties in low-dissipation
heat engines operating in the maximum-power and maximum-compromise ( ) regimes. We consider two
different feedback regulatory pathways: (1) one in which restitutive forces linearly depend on the deviations
from the stationary values of the heat exchanges with the hot and cold reservoirs and (2) another where restitutive
forces depend on the deviations from the stationary values of the power output and the heat outflux into the cold
reservoir. The first dynamics leads to an isolated stable point while in the second one the system is metastable.
Further analysis of random perturbations from the steady state gives valuable information about the dynamic
behavior of thermodynamic properties like entropy, power, and efficiency in both operation regimes.
URI
ISSN
2470-0045
DOI
10.1103/PhysRevE.98.032142
Aparece en las colecciones
- GIOETFE. Artículos [53]