Thermal optimization of Curzon-Ahlborn heat engines operating under some generalized efficient power regimes

. In order to establish better performance compromises between the process functionals of a heat engine, in the context of finite-time thermodynamics (FTT), we propose some generalizations for the well-known Efficient Power function through certain variables called “Generalization Parameters”. These...

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Bibliographic Details
Published in:European physical journal plus 2019-07, Vol.134 (7), p.348, Article 348
Main Authors: Levario-Medina, S., Valencia-Ortega, G., Arias-Hernandez, L. A.
Format: Article
Language:English
Subjects:
Applied and Technical Physics
Atomic
Complex Systems
Condensed Matter Physics
Efficiency
Energy
Entropy
Finite time thermodynamics
Heat engines
Mathematical and Computational Physics
Molecular
Objective function
Optical and Plasma Physics
Parameters
Physics
Physics and Astronomy
Power plants
Regular Article
Theoretical
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Summary:. In order to establish better performance compromises between the process functionals of a heat engine, in the context of finite-time thermodynamics (FTT), we propose some generalizations for the well-known Efficient Power function through certain variables called “Generalization Parameters”. These generalization proposals show advantages in the characterization of operation modes for an endoreversible heat engine model. In particular, we introduce the k -Efficient Power regime. For this objective function we find the performance of the operation of some power plants through the parameter k . Likewise, for plants that operate in a low-efficiency zone, within a configuration space, the k parameter allows us to generate conditions for these plants to operate inside of a high-efficiency and low-dissipation zone.
ISSN:2190-5444
2190-5444
DOI:10.1140/epjp/i2019-12711-2