回?zé)岵牧螱d2O2S 在液氦溫區(qū)高頻脈管制冷機(jī)的實(shí)驗(yàn)研究
李曉永，全加，劉彥杰，蔡京輝，葉榮昌
1. 中國(guó)科學(xué)院理化技術(shù)研究所；
2. 中國(guó)科學(xué)院大學(xué)；
3. 北京科技大學(xué)
EXPERIMENT STUDY ON REGENERATOR MATERIALS OF Gd2O2S IN HIGH FREQUENCY PULSE TUBE CRYOCOOLER WORKING AT LIQUID HELIUM TEMPERATURE
LI Xiao-yong，QUAN Jia，LIU Yan-jie，CAI Jing-hui，YE Rong-chang
1. Technical Institute of Physics and Chemistry，CAS；
2. Graduate University of Chinese Academy of Sciences；
3. University of Science and Technology Beijing

摘要：液氦溫區(qū)高頻脈沖管制冷機(jī)具有體積功耗小、質(zhì)量輕、低振動(dòng)等優(yōu)點(diǎn)，因此在太赫茲通信、深空探測(cè)和空間科學(xué)實(shí)驗(yàn)等方面的應(yīng)用具有獨(dú)特的優(yōu)勢(shì)，是國(guó)內(nèi)外深低溫機(jī)械式制冷機(jī)的研究熱點(diǎn)。而低溫回?zé)岵牧系男阅苁侵萍s深低溫制冷機(jī)發(fā)展的關(guān)鍵因素。利用實(shí)驗(yàn)室自主設(shè)計(jì)的液氦溫區(qū)兩級(jí)脈沖管制冷機(jī)及北京科技大學(xué)提供的Gd2O2S（GOS）材料，從填充長(zhǎng)度等方面，對(duì)回?zé)岵牧显谝汉貐^(qū)高頻脈沖管制冷機(jī)的應(yīng)用進(jìn)行了實(shí)驗(yàn)研究。實(shí)驗(yàn)結(jié)果表明，在目前工況下，回?zé)岵牧螲oCu2的實(shí)驗(yàn)效果是優(yōu)于GOS，并對(duì)此做出了分析和解釋。

關(guān)鍵詞：液氦溫區(qū),  回?zé)岵牧?  GOS    
Abstract：The high frequency pulse tube cryocooler which can achieve 4.2 K（liquid helium temperature）has the advantage of low electromagnetic，light weight and small volume. It would be used in the field of THz communication，deep space exploration and space science experiments. At the same time，it is a hot research area in mechanical cryogenic refrigerator. The performance of regenerator materials has a vital influence on the development of cryogenic efrigerator. Based on the two-stage pulse tube cryocooler working at liquid helium temperature which is a independent self-design in our laboratory and the regenerator materials of Gd2O2S provided by University of Science and Technology Beijing，the paper shows a series of experiment studies which focus on the regenerator materials of GOS. The result of experiments points out that the regenerator materials of HoCu2 is better than GOS under current conditions. And the phenomenon is specifically discussed in the paper.

Key words： liquid helium temperature    regenerative materials    GOS
    
作者簡(jiǎn)介: 李曉永（1989-），男，河南安陽(yáng)人，碩士研究生，主要從事液氦溫區(qū)制冷機(jī)研究工作

引用本文: 李曉永，全加，劉彥杰，蔡京輝，葉榮昌. 回?zé)岵牧螱d2O2S 在液氦溫區(qū)高頻脈管制冷機(jī)的實(shí)驗(yàn)研究[J]. 真空與低溫, 2017, 23(3): 158-.
LI Xiao-yong，QUAN Jia，LIU Yan-jie，CAI Jing-hui，YE Rong-chang. EXPERIMENT STUDY ON REGENERATOR MATERIALS OF Gd2O2S IN HIGH FREQUENCY PULSE TUBE CRYOCOOLER WORKING AT LIQUID HELIUM TEMPERATURE. journal1, 2017, 23(3): 158-.

文章來(lái)源：《真空與低溫》雜志2017年23卷3期

刊出日期：2017-06-28

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