声功回收连管对脉管制冷机性能的影响

周子佳; 张华; 丁磊; 蒋珍华; 刘少帅; 吴亦农

doi:10.3969/j.issn.1006-7086.2020.03.009

声功回收连管对脉管制冷机性能的影响

周子佳^1,2,
张华¹,
丁磊^1,2,
蒋珍华^2, ,,
刘少帅²,
吴亦农²

1. 上海理工大学能源与动力工程学院, 上海 200093;
2. 中国科学院上海技术物理研究所, 上海 200083

基金项目:

国家自然科学基金（51806231）；上海自然科学基金（18ZR1445600）

详细信息

作者简介:
周子佳,硕士研究生,主要从事脉管制冷机研究。E-mail:zijia3000@163.com。

通讯作者:
蒋珍华,教授,主要从事空间小型低温制冷机研究。E-mail:jiangzhenhua@mail.sitp.ac.cn。

中图分类号: TB651⁺.4
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出版历程
- 收稿日期: 2020-01-07
- 网络出版日期: 2023-07-05

Impact of Connecting Tube on the Performance of Pulse Tube Refrigerator with Acoustic Power Recovery

1. School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
2. Shanghai Institute of Technology Physics, Chinese Academy of Science, Shanghai 200083, China

摘要

摘要: 声功回收型脉管制冷机拥有更高的理论效率，其主要原因是回收了脉管热端的膨胀功。声功回收装置出口至压缩机出口之间的连管，对声功回收有着重要影响。通过理论分析，计算了连管阻抗对脉管制冷机性能的影响；建立了一维整机模型，通过改变连管结构参数，模拟了声功回收连管对脉管制冷机性能的影响，以及对回热器冷热端相位角的影响。研究发现，相同管径下连管越短，脉管制冷机性能越好。选择不同长度的连管进行了实验验证。结果表明，在相同的制冷能力下，随着声功回收连管长度的增加，压缩机输入的电功率明显增大。
- 脉管制冷机 ;
- 声功回收 ;
- 连管 ;
- 数值模拟
Abstract: Work recovery pulse tube refrigerator(WRPTR)with a displacer as phase shifter has higher efficiency.The main reason is that the expansion power at the heat end of the pulse tube is recovered.The connecting tube between the outlet of the displacer and outlet of the compressor has a significant impact on acoustic power recovery.Through theoretical analysis,the impedance of the acoustic power recovery connecting tube of the pulse tube refrigerator is calculated.The effect of the impedance on the cooling performance is also analyzed.Based on a 1-D simulation model,by changing the length of the connecting tube,the effect of the connecting tube on the cooling performance of the pulse tube refrigerator and the phase angel of regenerator was simulated.It is shows that the WRPTR have the better cooling performance with the shorter connecting tube which has the same inner diameter.Finally,different length of the connecting tube is selected for experimental verification.The results show that with the increase of the length of the connecting tube,the input electric power of the compressor increases obviously under the same refrigeration capacity.
- pulse tube refrigerator /
- acoustic power recovery /
- connecting tube /
- numerical model

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参考文献(26)

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