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J4  2011, Vol. 45 Issue (11): 2014-2019    DOI: 10.3785/j.issn.1008-973X.2011.11.021
能源工程     
120 Hz单级脉管制冷机理论与实验
甘智华1,2,吴英哲1,袁园1,邱利民1,2,张学军1,张小斌1,徐旭3
1. 浙江大学 制冷与低温研究所, 浙江 杭州 310027; 2.浙江大学 能源清洁利用国家重点实验室,浙江 杭州 310027;
3. 中国计量学院 计量测试工程学院,浙江 杭州 310018
Therotical and experimental study on a 120 Hz single stage
pulse tube cryocooler
GAN Zhi-hua1,2, WU Ying-zhe1, YUAN Yuan1, QIU Li-min1,2, ZHANG Xue-jun1,
ZHANG Xiao-bin1, XU xu3
1. Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou 310027, China;
2. State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China;
3. College of Metrology & Measurement Engineering, China Jiliang University, Hangzhou, 310018, China
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摘要:

为了研究百赫兹以上的高频回热器的特性及其对脉管制冷机性能的影响,采用回热器数值计算程序REGEN3-2对高频回热器的尺寸参数和运行参数进行优化设计,并研制出一台运行频率为120 Hz的斯特林型脉管制冷机,其无负荷制冷温度为47.8 K,在78.6 K有8.0 W制冷量.初步证明配合使用更高的充气压力、采用小水力直径的回热填料以及缩短回热器长度,能够使得回热器在百赫兹以上的高频下仍然保持较高的效率.另外,实验显示该百赫兹高频脉管制冷机能够实现快速降温,脉管方向性问题也得到较好的抑制.

Abstract:

In order to study the characteristics of the high frequency regenerator and its influence to the performance of the pulse tube cryocooler, this paper optimized the geometry and operating parameters for the high frequency regenerator by using the numerical model, known as REGEN 3.2. A Stirling type pulse tube cryocooler operating at 120 Hz was designed, fabricated and tested. This cryocooler achieves a no-load temperature of 47.8 K, and can provide a cooling power of 8.0 W at 78.6 K. The result proves preliminarily that with higher frequency together with higher charging pressure, smaller hydraulic diameter and shorter regenerator, it is still possible to let the regenerator keep high efficiency. The experiment also indicated that this cryocooler can cool down fast and the pulse tube orientation effect was well suppressed benefiting from this higher frequency characteristic.

出版日期: 2011-12-08
:  TB 651  
基金资助:

国家自然科学基金资助项目(50876094).

通讯作者: 张学军,男,博士,副教授,     E-mail: xuejzhang@zju.edu.cn
作者简介: 甘智华(1973-),男,教授,博导,从事深低温气体制冷机研究.E-mail: gan_zhihua@zju.edu.cn
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引用本文:

甘智华,吴英哲,袁园,邱利民,张学军,张小斌,徐旭. 120 Hz单级脉管制冷机理论与实验[J]. J4, 2011, 45(11): 2014-2019.

GAN Zhi-hua,WU Ying-zhe,YUAN Yuan,QIU Li-min,ZHANG Xue-jun,ZHANG Xiao-bin,XU xu. Therotical and experimental study on a 120 Hz single stage
pulse tube cryocooler. J4, 2011, 45(11): 2014-2019.

链接本文:

https://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2011.11.021        https://www.zjujournals.com/eng/CN/Y2011/V45/I11/2014

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