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Phys Rev E Stat Nonlin Soft Matter Phys. 2013 Jan;87(1):012133. Epub 2013 Jan 23.

Universal efficiency bounds of weak-dissipative thermodynamic cycles at the maximum power output.

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  • 1Department of Physics, Xiamen University, Xiamen 361005, People's Republic of China.


Based on the assumption of weak dissipation introduced by Esposito et al. [Phys. Rev. Lett. 105, 150603 (2010)], analytic expressions for the efficiency bounds of several classes of typical thermodynamic cycles at the maximum power output are derived. The results obtained are of universal significance. They can be used to conveniently reveal the general characteristics of not only Carnot heat engines, but also isothermal chemical engines, non-Carnot heat engines, flux flow engines, gravitational engines, quantum Carnot heat engines, and two-level quantum Carnot engines at the maximum power output and to directly draw many important conclusions in the literature.

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