Heat engines and the Curzon-Ahlborn efficiency



Título del documento: Heat engines and the Curzon-Ahlborn efficiency
Revista: Revista mexicana de física
Base de datos: PERIÓDICA
Número de sistema: 000380706
ISSN: 0035-001X
Autors: 1
1
1
2
Institucions: 1Universidad de Salamanca, Departamento de Física Aplicada, Salamanca. España
2Instituto Politécnico Nacional, Escuela Superior de Física y Matemáticas, México, Distrito Federal. México
Any:
Període: Sep-Oct
Volum: 60
Número: 5
Paginació: 384-389
País: México
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Analítico, teórico
Resumen en inglés The so-called Curzon-Ahlborn efficiency is becoming a paradigmatic result with regards to thermodynamic optimization of power cycles. Its wide applicability and sole dependence on the external heat bath temperatures (as the Carnot efficiency does) allows for an easy and fairly comparison with experimental efficiencies of striking validity. Different analytical derivations are presented in order to assess its validity and limitations for a broad variety of thermal cycles and steady state systems based on Finite-Time, Linear-Irreversible and Equilibrium Thermodynamic frameworks. Some conclusions and future perspectives are also outlined
Disciplines Física y astronomía
Paraules clau: Termodinámica y física estadística,
Máquinas térmicas,
Optimización,
Eficiencia Curzon-Ahlborn
Keyword: Physics and astronomy,
Thermodynamics and statistical physics,
Heat engines,
Optimization,
Curzon-Ahlborn efficiency
Text complet: Texto completo (Ver PDF)