On the efficiency at maximum cooling power

被引：47

作者：

Apertet, Y. ^{[1
]}

Ouerdane, H. ^{[2
,3
,4
]}

Michot, A. ^{[2
,3
]}

Goupil, C. ^{[2
,3
,4
]}

Lecoeur, Ph. ^{[1
]}

机构：

[1] Univ Paris 11, CNRS, Inst Elect Fondamentale, UMR 8622, F-91405 Orsay, France

[2] ENSICAEN, UMR CNRS 6508, Lab CRISMAT, F-14050 Caen, France

[3] Univ Caen Basse Normandie, F-14050 Caen, France

[4] Univ Paris Diderot, Sorbonne Paris Cite, IED, URD 0001, F-75205 Paris, France

来源：

EPL | 2013年 / 103卷 / 04期

关键词：

PERFORMANCE;

D O I：

10.1209/0295-5075/103/40001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The efficiency at maximum power (EMP) of heat engines operating as generators is one corner stone of finite-time thermodynamics, the Curzon-Ahlborn efficiency.CA being considered as a universal upper bound. Yet, no valid counterpart to.CA has been derived for the efficiency at maximum cooling power (EMCP) for heat engines operating as refrigerators. In this letter we analyse the reasons of the failure to obtain such a bound and we demonstrate that, despite the introduction of several optimisation criteria, the maximum cooling power condition should be considered as the genuine equivalent of maximum power condition in the finite-time thermodynamics frame. We then propose and discuss an analytic expression for the EMCP in the specific case of exoreversible refrigerators.

引用

页数：6

共 29 条

[11] Low-dissipation heat devices: Unified trade-off optimization and bounds [J].