ArticleEntropy (Basel, Switzerland)2025
Revisiting Endoreversible Carnot Engine: Extending the Yvon Engine.
Article in Entropy (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Decision-Theoretic Ecological Optimization of the Curzon-Ahlborn Heat Engine.Entropy (Basel, Switzerland) · 2026Article
- Finite-Time Thermodynamics of Battery Discharging: Power-Efficiency Trade-Off and Optimization.Entropy (Basel, Switzerland) · 2026Article
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2 authors.
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Abstract
Curzon and Ahlborn's 1975 paper, a pioneering work that inspired the birth of the field of finite-time thermodynamics, unveiled the efficiency at maximum power (EMP) of the endoreversible Carnot heat engine, now commonly referred to as the Curzon-Ahlborn (CA) engine. Historically, despite the significance of the CA engine, similar findings had emerged at an earlier time, such as the Yvon engine proposed by J. Yvon in 1955 that shares the exact same EMP, that is, the CA efficiency ηCA. However, the special setup of the Yvon engine has circumscribed its broader influence. This paper extends the Yvon engine model to achieve a level of generality comparable to that of the CA engine. With the power expression of the extended Yvon engine, we directly explain the universality that ηCA is independent of the heat transfer coefficients between the working substance and the heat reservoirs. A rigorous comparison reveals that the extended Yvon engine and CA engine represent the steady-state and cyclic forms of the endoreversible Carnot heat engine, respectively, and are equivalent.
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