Journal
CHINESE PHYSICS B
Volume 24, Issue 11, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/24/11/110506
Keywords
generalized Carnot cycle; low-dissipation; unified model; performance characteristic
Categories
Funding
- National Natural Science Foundation of China [11405032]
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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.
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