Understanding performance properties of chemical engines under a trade-off optimization: Low-dissipation versus endoreversible model
School of physical science and technology, China University of Mining and Technology, 221116, Xuzhou, China
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Accepted: 6 April 2018
Published online: 7 May 2018
The trade-off criterion is used to systemically investigate the performance features of two chemical engine models (the low-dissipation model and the endoreversible model). The optimal efficiencies, the dissipation ratios, and the corresponding ratios of the dissipation rates for two models are analytically determined. Furthermore, the performance properties of two kinds of chemical engines are precisely compared and analyzed, and some interesting physics is revealed. Our investigations show that the certain universal equivalence between two models is within the framework of the linear irreversible thermodynamics, and their differences are rooted in the different physical contexts. Our results can contribute to a precise understanding of the general features of chemical engines.
© Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature, 2018