dor_id: 41614

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856.4.0.u: http://revistas.unam.mx/index.php/rmf/article/view/19269/18269

100.1.#.a: Chen, Lingen; Sun, Fengrui; Xia, Shaojun

524.#.#.a: Chen, Lingen, et al. (2010). Maximum efficiency of an irreversible heat engine with a distributed working fluid and linear phenomenological heat transfer law. Revista Mexicana de Física; Vol 56, No 003. Recuperado de https://repositorio.unam.mx/contenidos/41614

245.1.0.a: Maximum efficiency of an irreversible heat engine with a distributed working fluid and linear phenomenological heat transfer law

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Facultad de Ciencias, UNAM

264.#.0.c: 2010

264.#.1.c: 2010-09-07

653.#.#.a: Finite-time thermodynamics; linear phenomenological heat transfer law; heat engine; distributed working fluid; maximum efficiency; optimal control

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041.#.7.h: eng

520.3.#.a: Maximum efficiency of an irreversible heat engine with a distributed working fluid, in which the heat transfers between the working fluid and the heat reservoirs obey the linear phenomenological heat transfer law [q ∝ ∆(T −1 )], is studied in this paper by using finite-timethermodynamics based on Orlov and Berry’s worki. Two kinds of efficiencies are defined, and the problems are divided into three cases. Optimal control theory is used to determine the upper bounds of efficiencies of the heat engines for various cases. Numerical examples of the two efficiencies for the irreversible heat engine with lumped-parameter model working between variable temperature reservoirs are provided, and the effects of changes of the reservoir’s temperature on the maximum efficiency of the heat engine are analyzed. The obtained results are also compared with those obtained by Orlov and Berryii with Newtonian heat transfer law [q ∝ ∆(T)].

773.1.#.t: Revista Mexicana de Física; Vol 56, No 003 (2010)

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Artículo

Maximum efficiency of an irreversible heat engine with a distributed working fluid and linear phenomenological heat transfer law

Chen, Lingen; Sun, Fengrui; Xia, Shaojun

Facultad de Ciencias, UNAM, publicado en Revista Mexicana de Física, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Facultad de Ciencias, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Chen, Lingen, et al. (2010). Maximum efficiency of an irreversible heat engine with a distributed working fluid and linear phenomenological heat transfer law. Revista Mexicana de Física; Vol 56, No 003. Recuperado de https://repositorio.unam.mx/contenidos/41614

Descripción del recurso

Autor(es)
Chen, Lingen; Sun, Fengrui; Xia, Shaojun
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Maximum efficiency of an irreversible heat engine with a distributed working fluid and linear phenomenological heat transfer law
Fecha
2010-09-07
Resumen
Maximum efficiency of an irreversible heat engine with a distributed working fluid, in which the heat transfers between the working fluid and the heat reservoirs obey the linear phenomenological heat transfer law [q ∝ ∆(T −1 )], is studied in this paper by using finite-timethermodynamics based on Orlov and Berry’s worki. Two kinds of efficiencies are defined, and the problems are divided into three cases. Optimal control theory is used to determine the upper bounds of efficiencies of the heat engines for various cases. Numerical examples of the two efficiencies for the irreversible heat engine with lumped-parameter model working between variable temperature reservoirs are provided, and the effects of changes of the reservoir’s temperature on the maximum efficiency of the heat engine are analyzed. The obtained results are also compared with those obtained by Orlov and Berryii with Newtonian heat transfer law [q ∝ ∆(T)].
Tema
Finite-time thermodynamics; linear phenomenological heat transfer law; heat engine; distributed working fluid; maximum efficiency; optimal control
Idioma
eng
ISSN
2683-2224 (digital); 0035-001X (impresa)

Enlaces