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Entropy 2017, 19(11), 632; https://doi.org/10.3390/e19110632

Dynamic and Thermodynamic Properties of a CA Engine with Non-Instantaneous Adiabats

1
Área de Física de Procesos Irreversibles, Departamento de Ciencias Básicas, Universidad Autónoma Metropolitana, U-Azcapotzalco, Av. San Pablo 180, col. Reynosa, CP 02200 Ciudad de México, Mexico
2
Departamento de Física, Escuela Superior de Física y Matemáticas, Instituto Politécnico Nacional, UP Zacatenco, CP 07738 Ciudad de México, Mexico
3
Laboratorio de Simulación y Modelado, Centro de Investigación en Computación, Instituto Politécnico Nacional, Av. Juan de Dios Batiz s/n UP Zacatenco, CP 07738 Ciudad de México, Mexico
*
Author to whom correspondence should be addressed.
Received: 24 October 2017 / Revised: 15 November 2017 / Accepted: 17 November 2017 / Published: 22 November 2017
(This article belongs to the Section Thermodynamics)
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Abstract

This paper presents an analysis of a Curzon and Alhborn thermal engine model where both internal irreversibilities and non-instantaneous adiabatic branches are considered, operating with maximum ecological function and maximum power output regimes. Its thermodynamic properties are shown, and an analysis of its local dynamic stability is performed. The results derived are compared throughout the work with the results obtained previously for a case in which the adiabatic branches were assumed as instantaneous. The results indicate a better performance for thermodynamic properties in the model with instantaneous adiabatic branches, whereas there is an improvement in robustness in the case where non-instantaneous adiabatic branches are considered. View Full-Text
Keywords: local stability; internal irreversibilities; Curzon–Ahlborn heat engine local stability; internal irreversibilities; Curzon–Ahlborn heat engine
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Paéz-Hernández, R.T.; Sánchez-Salas, N.; Chimal-Eguía, J.C.; Ladino-Luna, D. Dynamic and Thermodynamic Properties of a CA Engine with Non-Instantaneous Adiabats. Entropy 2017, 19, 632.

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