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Open AccessArticle

Association of Finite-Time Thermodynamics and a Bond-Graph Approach for Modeling an Endoreversible Heat Engine

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RENAULT, Advanced Electronics and Technologies Division, Technocentre Renault, 1 avenue de Golf 78288 Guyancourt, France
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Laboratoire du génie des procédés pour l’environnement, l’énergie et la santé (LGP2ES-EA21), Cnam-Cemagref, case 2D3R20, 292 rue saint Martin 75003 Paris, France
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Laboratoire d’Energétique et de Mécanique Théorique et Appliquée, ENSEM, 2, avenue de la Forêt de Haye 54516 Vandoeuvre, France
*
Author to whom correspondence should be addressed.
Entropy 2012, 14(4), 642-653; https://doi.org/10.3390/e14040642
Received: 16 January 2012 / Revised: 13 March 2012 / Accepted: 23 March 2012 / Published: 28 March 2012
(This article belongs to the Special Issue Concepts of Entropy and Their Applications)
In recent decades, the approach known as Finite-Time Thermodynamics has provided a fruitful theoretical framework for the optimization of heat engines operating between a heat source (at temperature ) and a heat sink (at temperature ). The aim of this paper is to propose a more complete approach based on the association of Finite-Time Thermodynamics and the Bond-Graph approach for modeling endoreversible heat engines. This approach makes it possible for example to find in a simple way the characteristics of the optimal operating point at which the maximum mechanical power of the endoreversible heat engine is obtained with entropy flow rate as control variable. Furthermore it provides the analytical expressions of the optimal operating point of an irreversible heat engine where the energy conversion is accompanied by irreversibilities related to internal heat transfer and heat dissipation phenomena. This original approach, applied to an analysis of the performance of a thermoelectric generator, will be the object of a future publication. View Full-Text
Keywords: finite-time thermodynamics; bond graph approach; entropy generation; endoreversible heat engine; Chambadal-Novikov-Curzon-Ahlborn efficiency finite-time thermodynamics; bond graph approach; entropy generation; endoreversible heat engine; Chambadal-Novikov-Curzon-Ahlborn efficiency
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Dong, Y.; El-Bakkali, A.; Descombes, G.; Feidt, M.; Périlhon, C. Association of Finite-Time Thermodynamics and a Bond-Graph Approach for Modeling an Endoreversible Heat Engine. Entropy 2012, 14, 642-653.

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