Study of a coaxial thermo acoustic-Stirling cooler

被引：48

作者：

Tijani, M. E. H. ^{[1
]}

Spoelstra, S. ^{[1
]}

机构：

[1] Energy Res Ctr Netherlands ECN, NL-1755 ZG Petten, Netherlands

来源：

CRYOGENICS | 2008年 / 48卷 / 1-2期

关键词：

thermoacoustic (C); Stirling cooler (E);

D O I：

10.1016/j.cryogenics.2008.01.001

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A coaxial thermoacoustic-Stirling cooler is built and performance measurements are performed. The cooler uses the acoustic power produced by a linear motor to pump heat through a regenerator from a cold heat exchanger to an ambient one. The cooler incorporates a compact acoustic network to create the traveling-wave phasing necessary for the operation in a Stirling cycle. The network has a coaxial geometry instead of the toroidal one usually used in such systems. The design, construction and performance measurements of the cooler are presented. A measured coefficient of performance relative to Carnot of 25% and a low temperature of -54 degrees C are achieved by the cooler. This efficiency surpasses the performance of the most efficient standing-wave cooler by almost a factor of two. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：77 / 82

页数：6

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