Coefficient of performance under optimized figure of merit in minimally nonlinear irreversible refrigerator

被引：59

作者：

Izumida, Y. ^{[1
,2
]}

Okuda, K. ^{[3
]}

Calvo Hernandez, A. ^{[4
,5
]}

Roco, J. M. M. ^{[4
,5
]}

机构：

[1] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan

[2] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[3] Hokkaido Univ, Div Phys, Sapporo, Hokkaido 0600810, Japan

[4] Univ Salamanca, Dept Fis Aplicada, E-37008 Salamanca, Spain

[5] Univ Salamanca, IUFFyM, E-37008 Salamanca, Spain

来源：

EPL | 2013年 / 101卷 / 01期

关键词：

FINITE-TIME THERMODYNAMICS; MAXIMUM POWER; EFFICIENCY; BOUNDS;

D O I：

10.1209/0295-5075/101/10005

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We apply the model of minimally nonlinear irreversible heat engines developed by Izumida and Okuda (EPL, 97 (2012) 10004) to refrigerators. The model assumes extended Onsager relations including a new nonlinear term accounting for dissipation effects. The bounds for the optimized regime under an appropriate figure of merit and the tight-coupling condition are analyzed and successfully compared with those obtained previously for low-dissipation Carnot refrigerators in the finite-time thermodynamics framework. Besides, we study the bounds for the nontight-coupling case numerically. We also introduce a leaky low-dissipation Carnot refrigerator and show that it serves as an example of the minimally nonlinear irreversible refrigerator, by calculating its Onsager coefficients explicitly. Copyright (C) EPLA, 2013

引用

页数：6

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