A 300 Hz high frequency thermoacoustically driven pulse tube cooler

被引：8
|
作者：
Zhu ShangLong [1 ,2 ]
Yu GuoYao [1 ,2 ]
Zhang XiaoDong [1 ,2 ]
Dai Wei [1 ]
Luo ErCang [1 ]
Zhou Yuan [1 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2008年 / 53卷 / 08期
基金：
中国国家自然科学基金;
关键词：
high frequency; thermoacoustic engine; pulse tube cooler;
D O I：
10.1007/s11434-008-0190-z
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
This article introduces the latest progress of a 300 Hz thermoacoustically driven pulse tube cooler. Based on the experience of former experiments, improvements have been made in the standing-wave engine, pulse tube cooler and their coupling mechanism. An inlet pressure ratio of 1.248 was obtained with the mean pressure and heating power of 4.13 MPa and 1760 W, respectively. A lowest no-load temperature of 69.5 K has been reached under this condition. This is the first time for thermoacoustically driven pulse tube coolers to reach the temperature below 70 K with such a high frequency.
引用
收藏
页码：1270 / 1271
页数：2
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