2026-09-15T17:43:59Zhttps://gredos.usal.es/oai/requestoai:gredos.usal.es:10366/1483642025-04-30T20:41:32Zcom_10366_138605com_10366_4512com_10366_3823col_10366_138606
Gestión del Repositorio Documental de la Universidad de Salamanca
author
Li, Zhexu
author
González Ayala, Julián
author
Hanxin, Yang
author
Guo, Juncheng
author
Calvo Hernández, Antonio
2022-01-20T09:03:53Z
2022-01-20T09:03:53Z
2022-01
1751-8113
http://hdl.handle.net/10366/148364
10.1088/1751-8121/ac47b0
1751-8121
[EN]In the present paper, a general non-combined model of three-terminal refrigerator
beyond specific heat transfer mechanisms is established based on the
low-dissipation assumption. The relation between the optimized cooling power
and the corresponding coefficient of performance (COP) is analytically derived,
according to which the COP at maximum cooling power (CMP) can be further
determined. At two dissipation asymmetry limits, upper and lower bounds
of CMP are obtained and found to be in good agreement with experimental
and simulated results. Additionally, comparison of the obtained bounds
with previous combined model is presented. In particular it is found that the
upper bounds are the same, whereas the lower bounds are quite different.
This feature indicates that the claimed universal equivalence for the combined
and non-combined models under endoreversible assumption is invalid
within the frame of low-dissipation assumption. Then, the equivalence between
various finite-time thermodynamic models needs to be reevaluated regarding
multi-terminal systems. Moreover, the correlation between the combined and
non-combined models is further revealed by the derivation of the equivalent
eng
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
finite-time cycle, low-dissipation model, three-terminal refrigerator, performance bounds, comparative analyses
Low-dissipation model of three-terminal refrigerator: performance bounds and comparative analyses
info:eu-repo/semantics/article
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URL
https://gredos.usal.es/bitstream/10366/148364/1/JPA_2022_Guo.pdf
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https://gredos.usal.es/bitstream/10366/148364/6/JPA_2022_Guo.pdf.txt
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