Evaluation of standing-wave thermoacoustic cycles for cooling applications

被引：30

作者：

Paek, Insu ^{[1
]}

Braun, James E. ^{[1
]}

Mongeau, Luc ^{[1
]}

机构：

[1] Purdue Univ, Sch Mech Engn, Ray W Herrick Labs, W Lafayette, IN 47907 USA

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2007年 / 30卷 / 06期

关键词：

thermoacoustic; cooling; simulation; optimization; COP; reversibility;

D O I：

10.1016/j.ijrefrig.2006.12.014

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The most promising applications for standing-wave thermoacoustic cooling were investigated from the perspective of the ratio of coefficient of performance (COP) to the reversible COP or COPR. A design optimization program based on the thermoacoustic simulation program known as DELTAE was developed. The program was applied to two standing-wave thermoacoustic cooler configurations in order to determine the best possible COPRs for various temperature spans between hot-side and cold-side stack-end temperatures. It was found that the COPR of standing-wave thermoacoustic coolers increases with temperature span and reaches a maximum for temperature lifts around 80 degrees C. Analysis of the results and the losses clearly shows that the efficiency of these systems may be good for refrigeration, but not for air-conditioning and cryogenic cooling. The COPRs determined from measurements for various thermoacoustic coolers developed so far show similar trends, and generally support the optimization results. (c) 2007 Elsevier Ltd and IIR. All rights reserved.

引用

页码：1059 / 1071

页数：13

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