Performance characteristics of low-dissipative generalized Carnot cycles with external leakage losses

doi:10.1088/1674-1056/24/11/110506

Abstract Under the assumption of low-dissipation, a unified model of generalized Carnot cycles with external leakage losses is established. Analytical expressions for the power output and efficiency are derived. The general performance characteristics between the power output and the efficiency are revealed. The maximum power output and efficiency are calculated. The lower and upper bounds of the efficiency at the maximum power output are determined. The results obtained here are universal and can be directly used to reveal the performance characteristics of different Carnot cycles, such as Carnot heat engines, Carnot-like heat engines, flux flow engines, gravitational engines, chemical engines, two-level quantum engines, etc.

Keywords: generalized Carnot cycle low-dissipation unified model performance characteristic

Received: 21 May 2015
Revised: 18 July 2015
Accepted manuscript online:

PACS:	05.70.Ln	(Nonequilibrium and irreversible thermodynamics)
	05.20.-y	(Classical statistical mechanics)

Fund: Project supported by the Young Scientists Fund of the National Natural Science Foundation of China (Grant No. 11405032).

Corresponding Authors: Guo Jun-Cheng, Chen Jin-Can
E-mail: junchengguo@qq.com;jcchen@xmu.edu.cn

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Huang Chuan-Kun (黄传昆), Guo Jun-Cheng (郭君诚), Chen Jin-Can (陈金灿) Performance characteristics of low-dissipative generalized Carnot cycles with external leakage losses 2015 Chin. Phys. B 24 110506

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Performance characteristics of low-dissipative generalized Carnot cycles with external leakage losses

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